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Engine Electrical

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DISPLAYING 17 to 32 (of 43 products)
1 2 3
99965291640/1
Product Information
Product Information

Electrical plug housing - multiple applications (see below).

Porsche 986 Boxster 1997-04
- Camshaft position sensor
- Throttle valve
- Ignition coil

Porsche 996 Carrera & GT3 1998-05

- Ignition coil

Porsche 964/993 Carrera & Turbo 1994-98
- Crankshaft position sensor



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99965291640
99965291640

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99960708400
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Flat fuse 10A (19/2x5) for Porsche.

porsche

Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16 incl. Spyder
Porsche 982 Boxster 2017>> incl. Spyder
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 981C Cayman 2014-16 incl. GT4
Porsche 982C Cayman 2017>> incl. GT4
Porsche 997.1 2005-08 all
Porsche 997.2 2009-12 all
Porsche 991.1 2012-16 all
Porsche 991.2 2017-19 all
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18
Porsche 95B.1 Macan 2014-18
Porsche 95B.2 Macan 2018-21
Porsche 95B.3 Macan 2021>>
Porsche 970 Panamera 2010-16
Porsche Carrera GT 2004-06
Porsche 918 Spyder 2015

* Please check and match the part number of your fuse in your car before ordering.

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99960708400
99960708400

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99661510100
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Fuel pump relay.

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 996 Turbo 2001-05
Porsche 996 GT3
Porsche Carrera GT 2004-06


* Please check and match the part number of your relay in your car before ordering.

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99661510100
99661510100

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99661510100/1
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Fuel pump relay.
The fuel pump relay is a precision replacement relay for the fuel-pump control circuit in the Porsche 986 Boxster and 996 911 (including Turbo and early Carrera GT) models. This relay controls the activation of the in-tank fuel pump, providing the necessary current to ensure correct fuel delivery under demand - making it vital for engine start-up, steady fuel pressure and safe operation.

Fits:
Porsche 986 Boxster 1997 - 2004
Porsche 996 C2 / C4 / C4S 1998 - 2005
Porsche 996 Turbo 2001 - 2005
Porsche 996 GT3
Porsche Carrera GT 2004 - 2006

* Please check and match the part number of your relay in your car before ordering.

Position: Mounted in the front luggage compartment fuse/relay panel or subsystems - controls power feed to the fuel pump relay circuit.

 Function: When the ignition is turned on or engine is running, the signal from ECU or shift lever energises this relay, sending current to the fuel pump so fuel pressure builds before engine cranking - crucial for proper fuel system operation.

 Applications: Ideal when the original relay has failed, is intermittent, shows corrosion on contacts, causes fuel-pump drop-outs, engine stumbling, or fails the self-check.

The fuel pump relay is a critical yet often overlooked part of the fuel delivery system.
A failing relay may manifest as:
 Engine cranks but won’t start (fuel pump never powers)
 Fuel pump prime is silent when ignition is turned on
 Engine stalls at random after start due to loss of pump voltage
 Intermittent “no-fuel pressure” faults or ECU logged errors

Replacing the relay with a correct unit ensures the fuel pump receives the proper current, realises full system pressure, and avoids mis-diagnosis of fuel pump or ECU faults.

When to replace:
 Original relay is over 10 years old, exposed to heat or aftermarket modifications
 You’ve installed a new fuel pump but issue persists (relay may be the culprit)
 You’re diagnosing no-start or stall symptoms that point to fuel pressure drop-out
 You’re restoring or prepping your vehicle and want to replace all wear-prone electrical relays

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99661510100
99661510100

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99960708500
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Fuse 15A for Porsche.

Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>
Porsche 993 1994-98 all models
Porsche 996 1998-04 all models
Porsche 997 MKI & MKII 2005>> all models
Porsche 970 Panamera 2010>>
Porsche Cayenne 955 & 957 2003>>
Porsche Carrera GT 2004-06

* Please check and match the part number of your fuse in your car before ordering.

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99960708500
99960708500
99960700700
99960705800
N0171316
N01713112

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Special Order item
99960708700
Product Information
Product Information
Fuse 25A for Porsche.

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>
Porsche 993 1994-98 all models
Porsche 996 1998-04 all models
Porsche 997 MKI & MKII 2005>> all models
Porsche 970 Panamera 2010>>
Porsche Cayenne 955 & 957 2003>>
Porsche Carrera GT 2004-06

* Please check and match the part number of your fuse in your car before ordering.

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99960708700
99960708700

The product you are viewing cross references to these numbers
Special Order item
99960708800
Product Information
Product Information
Fuse 30A for Porsche.

porsche

Fits:
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>
Porsche 993 1994-98 all models
Porsche 997 MKI & MKII 2005>> all models
Porsche 970 Panamera 2010>>
Porsche Cayenne 955 & 957 2003>>
Porsche Carrera GT 2004-06

* Please check and match the part number of your fuse in your car before ordering.

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99960708800
99960708800

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99960707300
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Product Information
Fuse E40A Large for Porsche

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16 incl. Spyder
Porsche 982 Boxster 2017>> incl. Spyder
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 981C Cayman 2014-16 incl. GT4
Porsche 982C Cayman 2017>> incl. GT4
Porsche 993 1994-998 all
Porsche 996 1998-05 all
Porsche 997.1 2005-08 all
Porsche 997.2 2009-12 all
Porsche 991.1 2012-16 all
Porsche 991.2 2017-19 all
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18
Porsche 970 Panamera 2010-16
Porsche 971 Panamera 2017-21

* Please check and match the part number of your fuse in your car before ordering.

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99960707300
99960708800

The product you are viewing cross references to these numbers
Special Order item
99960708300
Product Information
Product Information
Fuse 7.5A for Porsche.

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>
Porsche 993 1994-98 all models
Porsche 996 1998-04 all models
Porsche 997 MKI & MKII 2005>> all models
Porsche 970 Panamera 2010>>
Porsche Cayenne 955 & 957 2003>>
Porsche Carrera GT 2004-06


* Please check and match the part number of your fuse in your car before ordering.

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

99960708300
99960708300

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99611053090
Product Information
Product Information
Grommet for engine bay temperature sensor.

porsche

Fits:
Porsche 996 GT3 3.6L 1999-05
Porsche 997 GT3 3.8L 2007-11 (not RS version)
Porsche 991 GT3 3.8L / 4.0L 2013-17
Porsche Carrera GT 2004-06

Click 'Zoom in' for large parts diagram.
Diagram ref no 28

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99611053090
99611053090

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98060290404
Product Information
Product Information
Ignition coil.

porsche

Fits:
Porsche Carrera GT 2003-06

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98060290404
94860210400
98060290400
98060290401
98060290404

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99660612501
Product Information
Product Information
Knock sensor.

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 996 Turbo 1998-05
Porsche 996 GT3 2000-05
Porsche 955 Cayenne S / Turbo 2003-06
Porsche Carrera GT 2004-06

This product supersedes Porsche's old part numbers:
- 99660612100
- 99660612500

Click 'Zoom in' for large parts diagram.
Diagram ref no 33

Related reference numbers
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99660612501
99660612500
99660612100
99660612501

The product you are viewing cross references to these numbers
99660612501/1
Product Information
Product Information
Knock sensor.

bosch

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 996 Turbo 1998-05
Porsche 996 GT3 2000-05
Porsche 955 Cayenne S / Turbo 2003-06
Porsche Carrera GT 2004-06

This product supersedes Porsche's old part numbers:
- 99660612100
- 99660612500

Click 'Zoom in' for large parts diagram.
Diagram ref no 33

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

99660612501
99660612500
99660612100
0261231148
99660612501

The product you are viewing cross references to these numbers
99660612501/2
Product Information
Product Information
Knock sensor.

oematch

Fits:
Porsche 986 Boxster 1997-04
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 996 Turbo 1998-05
Porsche 996 GT3 2000-05
Porsche 955 Cayenne S / Turbo 2003-06
Porsche Carrera GT 2004-06

This product supersedes Porsche's old part numbers:
- 99660612100
- 99660612500

Click 'Zoom in' for large parts diagram.
Diagram ref no 33

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

99660612501
99660612500
99660612100
0261231148
99660612501

The product you are viewing cross references to these numbers
Special Order item
99660614002
Product Information
Product Information
Oil level & oil temperature sensor

porsche

Fits:
Porsche 996 Turbo 2001-05
Porsche 997 Turbo MKI & MKII 2007>>
Porsche Carrera GT 2004-06
Porsche 996 GT3 3.6L 2000-05
Porsche 997 GT3 3.6L 2007-09
Porsche 997 GT3 3.8L / 4.0L 2010>>

Click 'Zoom in' for large parts diagram.
Diagram Ref No 15.

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

99660614002
99660614000
99660614001
99660614002

The product you are viewing cross references to these numbers
99660614002/1
Product Information
Product Information
Oil level & oil temperature sensor.

oematch

Fits:
Porsche 996 Turbo 2001-05
Porsche 997 Turbo MKI & MKII 2007>>
Porsche Carrera GT 2004-06
Porsche 996 GT3 3.6L 2000-05
Porsche 997 GT3 3.6L 2007-09
Porsche 997 GT3 3.8L / 4.0L 2010>>

Click 'Zoom in' for large parts diagram.
Diagram Ref No 15.

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

99660614002
99660614000
99660614001
99660614002

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DISPLAYING 17 to 32 (of 43 products)
1 2 3
About Engine Electrical

Porsche Engine Electrical Parts

At Design911, we stock a comprehensive range of Porsche engine electrical components, covering everything from classic air-cooled models to the latest high-performance machines. Whether you’re replacing a worn-out part, upgrading for reliability, or preparing for motorsport, we have the electrical parts you need - all shipped worldwide from our UK warehouse.

We supply both genuine Porsche OEM parts and trusted aftermarket alternatives, giving you the choice of factory-correct components or cost-effective upgrades without compromising quality.

Why You Might Need Porsche Engine Electrical Parts

Your Porsche relies on a complex network of electrical systems to start, run, and perform at its best. You may need replacement electrical parts if:

  • A fault has developed (e.g. failing alternator, dead battery, faulty sensor)
  • You’re upgrading to higher-performance components for reliability or track use
  • You’re carrying out a rebuild or restoration project and require fresh parts

Common everyday replacements include:

  • Alternators – to keep your electrical systems charged and stable
  • Starter Motors – for reliable, quick engine starts
  • Car Batteries – which typically last around 4 years; we stock high-quality replacements for both modern and classic models
  • Battery Accessories – including Porsche battery chargers and maintainers to prolong battery life

For motorsport and safety, we also supply Rennline kill switches and mounts, which cut the engine in an emergency — an essential upgrade for track use.

What Electrical Parts Should I Consider During an Engine Rebuild?

With over 70 years of Porsche history and hundreds of model variations, sourcing the correct engine electrical parts is critical. Even within the same model line, different years can require different parts.

Engine electrical components can include:

  • Alternators & Voltage Regulators
  • Wiring Harnesses & Looms
  • Fuel Pumps
  • Temperature & Oil Pressure Sensors
  • Speed Sensors
  • Relays & Fuses
  • Ignition & Control Units

If the part you need is still in production, we can supply it. And if genuine Porsche parts are no longer available, our aftermarket options ensure you still get a reliable solution.

Expert Advice & Support

Choosing the right part is vital. If you’re unsure which Porsche engine electrical component you require, our technical support team can help you identify your exact model and guide you to the correct fitment. Buying the wrong part, even for a Porsche of the same model line but different year, may cause compatibility issues.

Why Choose Design911 for Porsche Engine Electrical Parts?

  • Unmatched Range – from alternators and batteries to sensors and relays
  • OEM & Aftermarket Options – trusted quality at competitive prices
  • Worldwide Shipping – expertly packed and quickly dispatched
  • Technical Expertise – specialist advice to ensure correct fitment

Shop Porsche engine electrical parts today – whether you’re repairing, restoring, or upgrading, Design911 has the right parts to keep your Porsche running reliably.

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