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Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png +443456003478 https://www.design911.co.uk Facebook Instagram

Porsche Engine Rebuild Parts for Complete and Partial Engine Rebuild

Restore reliability and performance with a comprehensive range of Porsche engine rebuild parts supplied for both partial repairs and full engine rebuilds. Design911 stocks everything from critical IMS components and rotating assembly parts to sealing solutions and fuel delivery hardware.

Whether you are addressing known weak points such as the intermediate shaft IMS system, refreshing worn internals with engine gaskets and complete gasket kits, or rebuilding ancillaries using fuel system parts, our catalogue supports accurate, model-specific engine work across classic and modern Porsche platforms.

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DISPLAYING 17 to 32 (of 66 products)
1 2 3 4 >>
9A7906283/1
Product Information
Product Information
Change-over valve. 

Fits:
Porsche 970 Panamera - 2009 to 2016
Porsche 971 Panamera - 2017 to 2023
Porsche 9YA Cayenne V8 4.0ltr - 2018 to 2023
Porsche 991 - 2012 to 2019*

*For 991.1 use also modification loom 99161294400

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A7906283
7PP906283F
9A7906283

The product you are viewing cross references to these numbers
9A7906283/2
Product Information
Product Information
Change-over valve. Porsche 970 Panamera / 971 Panamera / 9YA Cayenne / 991

Fits:
Porsche 970 Panamera - 2009 to 2016
Porsche 971 Panamera - 2017 to 2023
Porsche 9YA Cayenne V8 4.0ltr - 2018 to 2023
Porsche 991 - 2012 to 2019*

*For 991.1 use also modification loom 99161294400

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A7906283
7PP906283F
9A7906283

The product you are viewing cross references to these numbers
Special Order item
PAB253725C
Product Information
Product Information

Clamp - secures the turbocharger to the exhaust manifold.

Sold individually; x2 required per vehicle. 

Fits:
Porsche 971-1 Panamera GTS 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo S E-Hybrid 4.0L V8 2017-21

Porsche 971-2 Panamera GTS 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S E-Hybrid 4.0L V8 2021-24

Porsche 976 Panamera Turbo E-Hybrid 4.0L V8 2021-24

Porsche 9YA-1 Cayenne GTS 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo S E-Hybrid 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24

Porsche 9YA-2 Cayenne S 4.0L V8 2023>>
Porsche 9YA-2 Cayenne GTS 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo E-Hybrid 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo GT 4.0L V8 2023>>

Diagram ref. 12.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB253725C
9A725372502
PAB253725C

The product you are viewing cross references to these numbers
6547
Product Information
Product Information
Connector removal tool - for VAG, Porsche

For the removal of VAG & Porsche push and pull connectors.

• For the removal of VAG and Porsche connectors.
• Connectors are found on MAF sensors, coil packs, headlights, fog lights, level sensors, map sensors etc.
• Fits directly onto the push and pull connectors.
• Black plastic handle for easy grip.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

6547
6547

The product you are viewing cross references to these numbers
7859
Product Information
Product Information
Connector removal tool long series - for VAG/Porsche

For the removal of VAG and Porsche connectors found on MAF sensors, coil packs, headlights, fog lights, level sensors, map sensors etc.

• Fits directly on to the push and pull connectors and opens the locking tabs as pressure is applied.
• Applications include MAF sensors, coil packs, MAP sensors, CPS sensors and light connectors.
• Soft grip T-handle.
• 20mm offset head, 160mm long. EU Registered Design.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

7859
7859

The product you are viewing cross references to these numbers
Special Order item
PAB90313700
Product Information
Product Information
Replacement alternator belt.

porsche

Fits:
Porsche 971.1 Panamera Turbo 4.0L V8 2017-21*
Porsche 971.1 Panamera GTS 4.0L V8 2019-21
--
Porsche 971.2 Panamera Turbo S 4.0L V8 2021-24
Porsche 971.2 Panamera GTS 4.0L V8 2021-24
--
Porsche 9YA Cayenne GTS 4.0L V8 2020-23
Porsche 9YA Cayenne Turbo 4.0L V8 2018-23
Porsche 9YA Cayenne Turbo GT 4.0L V8 2021-23
--
Porsche 9YA.2 Cayenne GTS 4.0L V8 2023>>
Porsche 9YA.2 Cayenne Turbo GT 4.0L V8 2023>>

*Please be advised, this belt is only for 971 Panamera Turbo models produced on/after 15.02.18. Cars prior to this use different tensioners which are not compatible with this belt. The belt for the old-style tensioner can no longer be purchased, meaning you will need to change both tensioners and replace the belt with the new variant. The part numbers are PAB26093800 and 9A790313301. If you are in any doubt, please do not hesitate to contact us with your vehicle's VIN number.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB90313700
9A790313700

The product you are viewing cross references to these numbers
Special Order item
9A711701500
Product Information
Product Information
Engine Oil Cooler. 

Fits:
Porsche 971.1 Panamera Turbo 4.0L V8 MKI 2017>>2020
Porsche 971.1 Panamera Turbo S E-Hybrid 4.0L V8 MKI 2017>>2020
Porsche 971.1 Panamera GTS 4.0L V8 MKI 2017>>2021
Cars With Engine Codes:
CVDA / CVDD / CVD

Porsche 971.2 Panamera GTS 4.0L V8 MKII 2021>>2024
Porsche 971.2 Panamera Turbo S 4.0L V8 MKII 2021>>2024
Porsche 971.2 Panamera Turbo S E-Hybrid 4.0L V8 MKII 2021>>2024

Porsche 976 Panamera Turbo / Turbo S E-Hybrid 4.0L V8 2023>>
Porsche 976 Panamera GTS 4.0L V8 2023>>

Porsche 9YA Cayenne GTS 4.0L V8 2018>>2024
Porsche 9YA Cayenne Turbo 4.0L V8 2018>>2024
Porsche 9YA Cayenne Turbo S E-Hybrid 4.0L V8 2018>>2024
Porsche 9YA Cayenne Turbo GT 4.0L V8 2018>>2024
Cars With Engine Codes:
DCU / DCUA / DCUD / DWN / DWNA

Porsche 9YB Cayenne S 4.0L V8 2023>>
Porsche 9YB Cayenne GTS 4.0L V8 2023>>
Porsche 9YB Cayenne Turbo E-Hybrid 4.0L V8 2023>>
Porsche 9YB Cayenne Turbo GT 4.0L V8 2023>>

Diagram Ref No 16

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A711701500
9A711701500

The product you are viewing cross references to these numbers
Special Order item
PAB906036E
Product Information
Product Information
Fuel Injector.

The Fuel Injector is a precision-engineered fuel delivery component designed to supply the exact amount of fuel required for efficient combustion and optimum engine performance. Electronically controlled by the engine control unit (ECU), the injector delivers finely atomised fuel directly into the combustion chamber or intake system, ensuring precise fuel metering under all operating conditions.
Sold Each.
x6 Required Per Car.

Fits:

  • Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
  • Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
  • Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
  • Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
  • Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
  • Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
  • Porsche 976 Panamera V6 2.9L 2023>>
  • Porsche 976 Panamera 4 V6 2.9L 2023>>
  • Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
  • Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21  

Diagram Ref No 5

Manufactured to OEM specifications, the fuel injector is engineered to provide accurate spray patterns, consistent fuel flow, and reliable operation at high fuel pressures. As a key component of the fuel injection system, it helps maximise engine power, improve fuel economy, reduce emissions, and maintain smooth vehicle operation.

What This Product Does:

  • Delivers precisely metered fuel to the engine
  • Atomises fuel for efficient combustion
  • Works with the ECU to control fuel injection timing and quantity
  • Maintains the correct air-fuel mixture for optimum performance
  • Supports fuel efficiency and reduced emissions
  • Contributes to smooth engine operation and throttle response

Symptoms Of Wear Or Failure:
  • Engine misfires or rough running
  • Poor fuel economy
  • Reduced power and acceleration
  • Hard starting or extended cranking
  • Rough or unstable idle
  • Increased exhaust emissions or smoke
  • Fuel odours around the engine bay
  • Fuel injector-related fault codes and engine warning lights

Why Replacement Matters:
  • Restores accurate fuel delivery and spray patterns
  • Improves engine performance and responsiveness
  • Helps maximise fuel economy
  • Reduces exhaust emissions and supports emissions compliance
  • Prevents misfires and rough running conditions
  • Protects catalytic converters and emissions system components from damage caused by improper combustion
  • Maintains smooth and reliable engine operation
  • Ensures the engine receives the correct fuel supply under all driving conditions



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB906036E
PAB906036E
PAB90603600
PAC906036H

The product you are viewing cross references to these numbers
PAB906036E/1
Product Information
Product Information
Fuel Injector.

The BOSCH Fuel Injector is a precision-engineered fuel delivery component designed to supply the exact amount of fuel required for efficient combustion and optimum engine performance. Electronically controlled by the engine control unit (ECU), the injector delivers finely atomised fuel directly into the combustion chamber or intake system, ensuring precise fuel metering under all operating conditions.
Sold Each.
x6 Required Per Car.

Fits:

  • Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
  • Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23
  • Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
  • Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
  • Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
  • Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
  • Porsche 976 Panamera V6 2.9L 2023>>
  • Porsche 976 Panamera 4 V6 2.9L 2023>>
  • Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
  • Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21  

Diagram Ref No 5

The BOSCH fuel injector is engineered to provide accurate spray patterns, consistent fuel flow, and reliable operation at high fuel pressures. As a key component of the fuel injection system, it helps maximise engine power, improve fuel economy, reduce emissions, and maintain smooth vehicle operation.

What This Product Does:

  • Delivers precisely metered fuel to the engine
  • Atomises fuel for efficient combustion
  • Works with the ECU to control fuel injection timing and quantity
  • Maintains the correct air-fuel mixture for optimum performance
  • Supports fuel efficiency and reduced emissions
  • Contributes to smooth engine operation and throttle response

Symptoms Of Wear Or Failure:
  • Engine misfires or rough running
  • Poor fuel economy
  • Reduced power and acceleration
  • Hard starting or extended cranking
  • Rough or unstable idle
  • Increased exhaust emissions or smoke
  • Fuel odours around the engine bay
  • Fuel injector-related fault codes and engine warning lights

Why Replacement Matters:
  • Restores accurate fuel delivery and spray patterns
  • Improves engine performance and responsiveness
  • Helps maximise fuel economy
  • Reduces exhaust emissions and supports emissions compliance
  • Prevents misfires and rough running conditions
  • Protects catalytic converters and emissions system components from damage caused by improper combustion
  • Maintains smooth and reliable engine operation
  • Ensures the engine receives the correct fuel supply under all driving conditions



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB906036E
PAB906036E
PAB90603600
PAC906036H

The product you are viewing cross references to these numbers
Special Order item
PAB906054B
Product Information
Product Information
Fuel pressure sensor. 

porsche

Fits:
Porsche 95B.2 Macan S 3.0ltr - 2019 to 2021
Porsche 971.1 - 2017 to 2020
Porsche 971.2 turbo / turbo S 4.0ltr V8 - 2021 to 2023
Porsche 718 Cayman GTS 4.0ltr - 2017 Onwards
Porsche 992 - 2019 Onwards
Porsche 992 turbo - 2019 Onwards
Porsche 9YA Cayenne GTS / turbo V8 4.0ltr - 2018 to 2023
Porsche 9YA Cayenne S 2.9ltr V6 - 2018 to 2023



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB906054B
PAB906054B
PAB906054

The product you are viewing cross references to these numbers
Special Order item
PAB919047
Product Information
Product Information
Fuel tank sending unit.

Fits:
Porsche 9YA Cayenne 2018-2024
Porsche 9YB Cayenne 2024>>
Not for Hybrid cars

Diagram ref no 2

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB919047
PAB919047

The product you are viewing cross references to these numbers
PAB919047/1
Product Information
Product Information
Fuel tank sending unit.

Fits:
Porsche 9YA Cayenne 2018-2024
Porsche 9YB Cayenne 2024>>
Not for Hybrid cars

Diagram ref no 2

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB919047
PAB919047

The product you are viewing cross references to these numbers
Special Order item
9A710316101
Product Information
Product Information
Gasket for engine oil cooler. 

Fits:

Porsche 971-1 Panamera GTS 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo S E-Hybrid 4.0L V8 2017-21

Porsche 971-2 Panamera GTS 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S E-Hybrid 4.0L V8 2021-24

Porsche 976 Panamera Turbo E-Hybrid 4.0L V8 2021-24

Porsche 9YA-1 Cayenne GTS 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo S E-Hybrid 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24

Porsche 9YA-2 Cayenne S 4.0L V8 2023>>
Porsche 9YA-2 Cayenne GTS 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo E-Hybrid 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo GT 4.0L V8 2023>>

Diagram ref. 17.



Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A710316101
9A710316101

The product you are viewing cross references to these numbers
9A710316101/1
Product Information
Product Information
Gasket for engine oil cooler. 

Fits:

Porsche 971-1 Panamera GTS 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo 4.0L V8 2017-21
Porsche 971-1 Panamera Turbo S E-Hybrid 4.0L V8 2017-21

Porsche 971-2 Panamera GTS 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S 4.0L V8 2021-24
Porsche 971-2 Panamera Turbo S E-Hybrid 4.0L V8 2021-24

Porsche 976 Panamera Turbo E-Hybrid 4.0L V8 2021-24

Porsche 9YA-1 Cayenne GTS 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo S E-Hybrid 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24

Porsche 9YA-2 Cayenne S 4.0L V8 2023>>
Porsche 9YA-2 Cayenne GTS 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo E-Hybrid 4.0L V8 2023>>
Porsche 9YA-2 Cayenne Turbo GT 4.0L V8 2023>>

Diagram ref. 17.



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Related, superseded, cross reference or alternative numbers for comparison.

9A710316101
9A710316101

The product you are viewing cross references to these numbers
90008214201L
Product Information
Product Information
HEX HEAD BOLT M12X1,5X110MM (extra long)

This Item is an Original Porsche Part found by using our original Porsche Part Number Search. If you are ordering parts via this method it is your responsibility to make sure that you enter and purchase the correct products for your vehicle. Please only use the searched product if you are sure of the part numbers as parts cannot be returned if ordered incorrectly.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90008214201L
91137504300
90008214201

The product you are viewing cross references to these numbers
Special Order item
PAB14568
Product Information
Product Information
Rubber hose – connects the intercooler outlet hose to the throttle body. 

Fits:
Porsche 9YA-1 Cayenne GTS 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo 4.0L V8 2018-24
Porsche 9YA-1 Cayenne Turbo S E-Hybrid 4.0L V8 PHEV 2018-24
Porsche 9YA-1 Cayenne Turbo GT 4.0L V8 2018-24

Porsche 9YA-2 Cayenne Turbo E-Hybrid 4.0L V8 PHEV 2023>>
Porsche 9YA-2 Cayenne Turbo GT 4.0L V8 2023>>

Diagram reference(s):

No. 23 - Left-side hose 
No. 24 - Right-side hose 

NOTE: Our product image shows PAB145681, which is the left-side hose. 

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB14568
PAB14568100
PAB145681
PAB14568200
PAB145682
PAB145682A

The product you are viewing cross references to these numbers
DISPLAYING 17 to 32 (of 66 products)
1 2 3 4 >>
About Engine Rebuild Parts

Porsche Engine Rebuild Parts

Whether you’re planning a complete Porsche engine overhaul or simply replacing a small gasket, Design911 has the right parts for the job. We stock everything from O-rings and gaskets to crankshafts and camshafts, sourced from the most reputable manufacturers including Victor Reinz, Elring, Goetze, Mahle, and Federal-Mogul.

Our catalogue covers both classic and modern Porsche engines, with components and tools designed to meet or exceed OEM specifications. From intricate timing chains and belts to major assemblies, we provide the parts you need to rebuild, refresh, or upgrade your Porsche’s engine.

Our Range of Engine Rebuild Parts

  • Gaskets, Seals & O-Rings – precision sealing for reliable performance
  • Belts & Chains – timing and auxiliary drive components
  • Cylinder Heads, Pistons & Crankshafts – core engine rebuild essentials
  • Camshafts & IMS Bearings – critical components for performance and reliability
  • Engine Mounts – replace worn mounts to reduce vibration and improve stability
  • Throttle Bodies – direct-to-head kits for 911, 964, and classic air-cooled models; improve horsepower, torque, and throttle response
  • Turbochargers & Fittings – complete kits and accessories for turbo upgrades

We also supply the tools and accessories needed for precision rebuilding, ensuring professional results whether you’re working on a home restoration or motorsport preparation.

 Common Porsche Engine Issues

Porsche engines are robust, but some models face well-known issues that require rebuild or replacement parts:

  • Excessive Engine Smoke – often caused by oil separator failure or oil overfill; a common issue in 996 and 986 models
  • IMS Bearing Failures – particularly affecting certain 996 models; early detection can save an engine, but advanced failure may require a complete rebuild
  • Timing Chain & Belt Problems – worn components can affect performance and cause catastrophic failures if neglected
  • Exhaust Leaks – damaged manifolds or gaskets allow fumes to escape, impacting performance and emissions

While some issues are minor and corrected with a single replacement part, others can escalate into major rebuilds if ignored.

 Do I Need to Rebuild My Porsche Engine?

Not every problem requires a full rebuild. Regular oil changes, inspections, and routine servicing can prevent many issues. However, an engine rebuild may be required if:

  • IMS bearing failure has caused internal damage
  • Timing components have failed
  • Major wear or overheating has damaged pistons, valves, or crankshafts
  • You want to restore your engine to factory condition
  • You’re seeking performance gains beyond OEM output

Rebuilds are common across a wide range of Porsches, from air-cooled icons like the 356, 911, and 914s, through to 996, 997 GT3s, and turbocharged models. Whether for restoration or performance, rebuilding can breathe new life into your Porsche.

Why Choose Design911 for Engine Rebuild Parts?

  • Trusted Brands – Victor Reinz, Elring, Mahle, Goetze & more
  • Complete Range – from small seals to major components
  • Classic & Modern Coverage – air-cooled and water-cooled Porsche models
  • Performance Upgrades – throttle bodies, turbochargers, race-ready parts
Worldwide Shipping – expertly packed and delivered fast

Shop Porsche engine rebuild parts today – from IMS bearing kits and gaskets to full turbo upgrades – and give your Porsche engine the performance and reliability it deserves.


Buy Porsche Engine Rebuild Parts with Confidence: Trusted by 18,000+ Porsche Owners

Porsche owners trust Design911 for the quality of our engine rebuild parts and the expertise behind them. From IMS components and internal engine parts to complete rebuild solutions, our team supports accurate part selection and reliable results. Discover why over 18,000 Porsche owners rate Design911 as “Excellent” on Trustpilot.


Porsche Engine Bearings, Pistons and Internal Engine Components

Rebuilding the internal structure of a Porsche engine requires correctly matched components manufactured to precise tolerances. Design911 supplies a wide range of Porsche engine rebuild parts covering the complete rotating and valvetrain assemblies, suitable for both partial repairs and full engine rebuilds. This includes critical items such as engine shell bearingspiston ringspistons and cylinders and connecting rods, all supplied as Genuine Porsche or OEM-approved components. 

Bottom end rebuilds are supported with precision parts including crankshafts and crankcase components designed to maintain correct oil clearance, balance and long-term reliability. For top end engine work, Design911 offers a complete selection of cylinder heads and camshaft covers, camshaft covers and gaskets and performance camshafts, allowing accurate valve timing and dependable operation across all Porsche models.

Why Buy Porsche Engine Rebuild Parts from Design911

  • Specialist Expertise: Over 25 years of experience supplying Porsche engine parts and rebuild components. 
  • Extensive Stock: More than half a million Porsche parts available, including IMS components, gaskets, bearings, pistons and internal engine parts. 
  • Dedicated Support: A knowledgeable team providing fast assistance by phone or email. 
  • Free UK Delivery: Free delivery on orders over £200, with worldwide shipping including Europe and beyond. 
  • Trusted by Porsche Owners: Over 110,000 Porsche enthusiasts trust Design911. View Trustpilot reviews.

Order your Porsche engine rebuild parts with confidence,  or call us for advice and fitting options


Porsche IMS Bearings, Timing Chains and Tensioner Systems

Correct timing is critical to Porsche engine reliability, particularly on models affected by intermediate shaft design. Design911 supplies a full range of Porsche IMS bearings and components developed to address known wear points and support long-term engine durability during rebuilds and preventative maintenance. 

Alongside IMS solutions, we stock complete timing system components including timing chains and tensioners designed to maintain accurate valve timing and consistent chain tension throughout the engine’s operating range. Supporting drive systems are covered with engine rebuild beltstensioners and rollers ensuring correct belt tracking, reduced vibration and reliable auxiliary operation.

For comprehensive rebuilds, Design911 also supplies related sealing and protection parts such as timing covers and gaskets, helping to prevent oil contamination and premature wear. All timing and IMS components are offered as Genuine Porsche or OEM-approved parts to ensure correct fitment, longevity and factory-correct engine behaviour.

Engine Rebuild Parts for All Porsche Models

Whatever your Porsche model, Design911 supplies engine rebuild parts tailored to your vehicle:

  • Porsche 911 (classic models, 996, 997, 991)
  • Porsche Boxster and Cayman
  • Porsche Cayenne
  • Porsche Macan
  • Porsche Panamera
  • Porsche Taycan
  • Porsche 924, 928, 944, 968 and more

Whether you are carrying out a partial engine repair, replacing worn components or planning a complete engine rebuild, find the correct parts easily by model and engine specification.


Engine Fitment, Tolerances and Component Compatibility

Correct fitment and component compatibility are essential when rebuilding a Porsche engine. Design911 supplies Genuine Porsche and OEM-approved engine rebuild parts designed to match original factory specifications, ensuring every component integrates correctly within the engine assembly.

Matched to Original Porsche Specifications

Each engine component, whether a set of piston rings, a connecting rod, a camshaft or a radial oil seal, is produced to original dimensions and material standards. This ensures correct seating, proper oil flow and reliable interaction between moving parts across all Porsche engine generations.

Designed for Accurate Mechanical Integration

Engine rebuild parts supplied by Design911 are selected to maintain the correct relationships between critical systems:

IMS components align with factory timing geometryGaskets and complete gasket kits maintain correct sealing pressure and oil system integrityTiming chains and tensioners support stable and accurate valve timingPistons, cylinders and piston rings maintain consistent compression and wear characteristicsEngine mounts, vacuum pumps, fuel system and oil system components integrate cleanly with OEM interfaces

Compatibility Across Porsche Engine Platforms

Whether working on an air-cooled flat six or a modern water-cooled turbocharged engine, Design911 supports compatibility across the full Porsche range by supplying parts manufactured to:

Original material specificationsFactory torque and installation requirementsOEM machining tolerancesModel-specific sequencing and alignment standards

Reducing Fitment Errors and Premature Wear

Using incorrectly matched engine components can lead to issues such as timing misalignment, oil pressure loss, bearing failure, compression imbalance or premature wear of internal parts. Design911 helps reduce these risks by offering engine rebuild components that meet Porsche’s original design intent and fitment requirements.


Porsche Engine Wear, Service Intervals and Maintenance Guide

Porsche engine components wear at different rates depending on mileage, driving conditions, maintenance history and engine generation. The table below outlines typical service or inspection intervals along with common symptoms of wear for key Porsche engine rebuild components.


Component Typical Service or Inspection Interval Common Signs of Wear
Piston Rings 80,000 to 120,000 miles Increased oil consumption, blue exhaust smoke
Engine Bearings 80,000 to 150,000 miles Knocking noises, low oil pressure
Engine Mounts 60,000 to 90,000 miles Excessive vibration, engine movement
Fuel Pumps 70,000 to 110,000 miles Hard starting, hesitation, noisy operation
Fuel Injectors 60,000 to 100,000 miles Misfires, rough idle, poor fuel economy
Vacuum Pumps 60,000 to 80,000 miles Oil leaks, reduced brake assist
Timing Chains and Tensioners Inspect every 80,000 miles Rattle on cold start, timing faults
IMS Component 40,000 to 70,000 miles (affected models) Metallic debris in oil, abnormal noise
Gaskets and Seals 5 to 10+ years Oil leaks, smoke on start-up
Turbo and Intercooler Components 80,000 to 140,000 miles Boost loss, whistling noises, smoke
Understanding these wear patterns can help prevent unexpected failures and support long-term engine reliability. Design911 supplies the replacement parts required to address each of these common service areas.

IMS Bearing Replacement and Porsche Engine Reliability

Maintaining Porsche engine reliability starts with addressing known wear points, particularly on models equipped with an intermediate shaft. Design911 supplies a full range of IMS bearings and intermediate shaft components designed to support preventative maintenance and long-term engine durability on affected Porsche engines.

Why Replace the IMS Bearing

  • Improved Engine Longevity: Replacing worn IMS components helps reduce the risk of engine failure on Porsche 986, 996 and early 997 models.
  • Improved Reliability Under Load: Correct replacement parts help maintain stability under normal driving conditions and during higher engine loads.
  • Correct Fitment and Compatibility: Design911 IMS components are supplied as Genuine Porsche or OEM-approved parts, ensuring correct alignment, lubrication and compatibility with factory engine geometry.
  • Peace of Mind for Owners: Replacing the IMS bearing during an engine rebuild or clutch replacement helps protect the engine and preserve long-term vehicle value.

Design911 offers IMS-related components suitable for inspection, replacement or preventative servicing, allowing owners and workshops to address this critical area with confidence.

Complete Engine Rebuild Kits and Specialist Tools 

For customers planning a full engine rebuild or major engine work, Design911 offers complete engine rebuild kits and specialist engine tools to simplify the process and ensure consistency across all components. Engine rebuild kits typically combine essential parts such as gaskets, seals, bearings and fasteners, helping reduce the risk of mismatched components and repeated downtime. 

Alongside rebuild kits, Design911 supplies a wide range of Porsche engine specialist tools designed specifically for Porsche engines. These tools support accurate disassembly, measurement and installation of internal components, including timing systems, crankshafts and cylinder heads. Using the correct tools helps protect precision parts and ensures work is carried out to Porsche-recommended standards.

Whether you are an experienced workshop or a knowledgeable enthusiast, sourcing engine rebuild kits and specialist tools from a single supplier helps streamline the rebuild process and improve overall reliability.


See How Our Performance Parts Transform a Porsche 997 GT3

Take a closer look at how Steve upgraded his Porsche 997 GT3 using trusted performance parts from Design911. This video highlights how smarter brakes, sharper suspension, improved cooling and carefully selected engine related components come together to create a focused driver’s car.

Play Video


Porsche Engine Rebuild Parts FAQs

1. Are Design911 engine rebuild parts genuine or OEM?
Design911 supplies a combination of genuine Porsche parts and OEM-approved alternatives. Product listings clearly indicate the specification so you can choose the correct option for your engine rebuild.
2. Do engine rebuild parts fit all Porsche models?
Engine rebuild parts are model and engine specific. Compatibility varies by generation, engine type and production year. Each product page lists supported models, and our team can help confirm fitment before ordering.
3. Which Porsche models are affected by IMS bearing issues?

IMS related concerns mainly affect:

  • Porsche Boxster 986
  • Porsche 911 Carrera 996
  • Porsche 911 997.1 (early models)
4. Should the IMS bearing be replaced during an engine rebuild or clutch replacement?
For affected models, replacing the IMS bearing during an engine rebuild or clutch service is commonly recommended, as access is easier and it helps reduce the risk of future engine damage.
5. What are common signs of worn Porsche engine components?
Typical symptoms include oil consumption, engine noise at start-up, vibration, oil leaks, misfires or metallic debris in the oil. If these signs are present, inspection is recommended before further driving.
6. Can I install Porsche engine rebuild parts myself?
Some experienced enthusiasts carry out partial engine work, but major procedures such as timing setup, IMS replacement and crankshaft installation are best handled by a qualified Porsche technician.
7. Are fuel system components compatible with modern fuels?
Yes. Fuel pumps, filters, injectors and fuel lines supplied by Design911 are suitable for modern fuel formulations, including higher ethanol content where applicable.
8. Do you sell complete engine rebuild kits?
Yes. Design911 offers complete engine rebuild kits for selected models, combining essential components such as gaskets, seals and bearings to simplify the rebuild process.
9. Do you supply specialist tools for Porsche engine rebuilding?
Design911 stocks a range of specialist engine tools designed for Porsche engines, supporting accurate disassembly, installation and timing setup.
10. What should be replaced alongside major engine components?
During an engine rebuild, many owners also replace items such as gaskets, seals, engine mounts, fuel system components and oil system parts to help avoid future failures.
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