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Porsche 964 (911) (1989-1994) 964 (911) TURBO 3.3L 1991-93 Engine Rebuild Parts Chains & Tensioners

Engine oil pump drive chain. Porsche 970 Panamera / 95B Macan / 958 Cayenne  ›  94610725275

Engine oil pump drive chain. Porsche 970 Panamera / 95B Macan / 958 Cayenne - 94610725275
2
Check vehicle fitment
94610725275/1
Product Information
Product Information

OE Match engine oil pump drive chain for selected Porsche 970 Panamera, 95B Macan and 958 Cayenne engines. This replacement chain has 122 links.

Fits

  • Porsche 970 Panamera 3.0L 2013-2016
    Cars with engines CWDA / CWD / CWFA / CWF
  • Porsche 958 Cayenne 3.6L 2011-2018
    Cars with engines CURA / CUR / CXZA / CXZ
  • Porsche 95B Macan S / GTS 3.0L
    Cars with engines CTMA / CTM / DCNA / DCN
  • Porsche 95B Macan Turbo 3.6L
    Cars with engines CTLA / CTL / DHKA / DHK

Check fitment for your specific vehicle (model, year, engine) before ordering.

Diagram ref no 3

What This Product Does

The chain transmits rotation to the engine oil pump, allowing the pump to circulate lubricating oil. It serves the oil-pump drive rather than acting as the camshaft timing chain.

Functions

  • Transfers mechanical drive to the oil pump.
  • Supports operation of the engine lubrication system.

Technical Details

  • Brand: OE Match.
  • Part reference: 94610725275.
  • Link count: 122.
  • Component: oil-pump drive chain; the diagram identifies camshaft chains, guides and tensioners separately.
  • Macan diagram applications: 95B.1 3.0L / 3.6L, 2014–18; CTMA / CTM / DCNA / DCN / DHKA / DHK.
  • Cayenne diagram applications: 92A (958) 3.6L, 2011–18, CURA / CUR / CXZA / CXZ. Panamera diagram applications: 970 (G1) 3.0L, 2014 onwards, CWDA / CWD / CWFA / CWF.

Symptoms of Fault

Persistent chain rattling, metallic particles discovered in the oil or filter, and low oil pressure warrant investigation. These findings do not establish that the oil-pump chain is responsible; the pump, drive components and wider lubrication system need assessment.

Why Replacement Matters

Renewal is appropriate when inspection confirms chain wear or damage, or when a planned engine repair calls for replacement. Inspect associated sprockets and supporting components during dismantling rather than renewing the chain without checking the rest of its drive. OE Match focuses on Porsche replacement applications, using original references and application details to establish suitability.

FAQs

  • Does rattling confirm a defective oil-pump chain?
    No. Several engine components can generate similar noises, so diagnosis should establish the source first.
  • Should surrounding components be checked?
    Yes. Assess the sprockets and any applicable guides or tensioning components for wear during the repair.
  • How should compatibility be confirmed?
    Compare reference 94610725275 with the vehicle's original component and verify the model, engine code and production details.


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

94610725275
94610725275

The product you are viewing cross references to these numbers
Related products
Camshaft timing chain. Split type. Porsche 911 1965-89 / 964 - 91110552950, 90110552950, 91110552951 - 50032491, 09426
1
Camshaft timing chain. Split type. Porsche 911 1965-89 / 964
91110552951/1
Product Information
Product Information
Camshaft timing chain. SPLIT TYPE.
Chain Type: Duplex,
Timing Chain Size: D67ZN
No. of chain links: 98

Fits:
Porsche 911 1965 - 1989
Porsche 964 1991 - 1993

TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. Each car has two.

This OE Match camshaft timing chain is a replacement split-type timing chain for air-cooled Porsche 911 engines. It is designed to match the original-style fit and function, helping maintain correct camshaft timing and reliable valve train operation.
The camshaft timing chain links the crankshaft drive to the camshaft drive system, ensuring that the camshafts rotate in precise timing with the engine crankshaft. This correct timing allows the engine valves to open and close at the right moment for smooth running, correct combustion, and dependable engine performance.

Functions
•  Drives the camshaft timing system
•  Helps keep crankshaft and camshaft timing synchronised
•  Supports correct valve opening and closing timing
•  Helps maintain smooth engine running and performance
•  Provides a split-type design for easier installation during service
•  Replaces stretched, worn, noisy, or damaged timing chains
•  OE Match replacement for engine rebuilds and timing chain repairs

Why Replace This Part?
Camshaft timing chains are subject to constant load, heat, oil exposure, and high-speed operation. Over time, the chain can stretch, wear, become noisy, or affect accurate cam timing. A worn timing chain may cause rattling noises, poor running, incorrect valve timing, or reduced engine performance. Replacing the chain during engine service or rebuild helps restore timing accuracy and long-term reliability.

When to Replace This Part
•  The timing chain is stretched, worn, noisy, or damaged
•   There is rattling from the cam chain housing area
•   Camshaft timing is being reset or corrected
•   The engine is being rebuilt or overhauled
•   Chain ramps, sprockets, or tensioners are being replaced
•   The timing chain covers or camshaft housings have been removed
•   As preventative replacement during major engine service.

Where it fits on the car
This timing chain fits inside the engine timing chain housing, forming part of the camshaft drive system. It runs between the crankshaft-driven intermediate shaft sprocket and the camshaft sprocket assembly, depending on the engine layout.


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

91110552951
91110552950
90110552950
91110552951

The product you are viewing cross references to these numbers
Timing chain split link. Porsche 911 1965-89/ 964 - 911327339990, 90110553000, 91110552951, 91110552950
1
Timing chain split link. Porsche 911 1965-89/ 964
911327339990
Product Information
Product Information
Timing Chain Split Link.
The OE Match Timing Chain Split Link is a precision-engineered replacement connecting link designed for Porsche timing chain systems. This small but essential component joins the ends of the timing chain, allowing secure installation and reliable operation of the engine's valve timing mechanism.

Fits:
  • Porsche 911 1965-1968 2.0L / 912 SWB (F)
  • Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
  • Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
  • Porsche 911 1978-1983 3.0L / SC
  • Porsche 911 1984-1986 3.2L
  • Porsche 911 1987-1989 3.2L G50
  • Porsche 911 1975-1977 3.0L Turbo (930)
  • Porsche 911 1978-1989 3.3L Turbo (930)
  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 964 (911) RS 3.8L 1991-93
  • Porsche 964 (911) TURBO 3.3L 1991-93
  • Porsche 964 (911) TURBO 3.6L 1991-93  

Manufactured to OE specifications for strength, fit and durability, the split link is designed to withstand the constant loads, temperatures and operating conditions found within the timing chain assembly. It provides a secure connection that helps maintain accurate timing chain operation and overall engine reliability.

What This Product Does:
  • Connects and secures the ends of the engine timing chain.
  • Allows installation or repair of the timing chain assembly.
  • Maintains continuous timing chain operation.
  • Supports accurate camshaft and crankshaft synchronisation.
  • Helps ensure precise valve timing throughout the engine's operating range.
  • Contributes to smooth engine performance and reliability.

Symptoms Of Wear Or Failure:
  • Timing chain noise or rattling.
  • Excessive timing chain slack.
  • Visible wear or damage to the link components.
  • Accelerated timing chain wear.
  • Inconsistent engine timing.
  • Reduced engine performance.
  • Difficulty maintaining proper chain tension.
  • Potential timing chain failure in severe cases.

Why Replacement Matters:

  • The timing chain system is one of the most critical components within the engine, controlling the relationship between the crankshaft and camshafts. Although small, the split link plays a vital role in maintaining the integrity of the entire timing chain assembly.
  • Over time, wear, corrosion, fatigue or damage during servicing can compromise the strength of the split link. A weakened or damaged link may accelerate chain wear or increase the risk of timing chain failure. Because timing-related failures can result in significant engine damage and costly repairs, replacing worn timing chain components during maintenance or engine rebuilds is highly recommended.



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

911327339990
911327339990
90110553000
91110552951
91110552950

The product you are viewing cross references to these numbers
Chain tensioner. Porsche 911 1984-89 / 964 Turbo - 93010505803
1
Chain tensioner. Porsche 911 1984-89 / 964 Turbo
Special Order item
93010505803
Product Information
Product Information
Chain tensioner.
Fits Left or Right Side

Fits:
Porsche 911 1984-89 3.2L
Porsche 930 Turbo 1984-89
Porsche 964 Turbo 3.3L

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

93010505803
93010505803

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Chain housing O-ring. Porsche 964 / 993 - 99970728840
2
Chain housing O-ring. Porsche 964 / 993
Special Order item
99970728840
Product Information
Product Information
Chain housing O-ring, 6 x 2.5 mm  
This original Porsche O-ring is used in the chain housing / oil bridge sealing area, helping prevent oil leaks and maintain correct sealing around the timing chain housing assembly.
Sold individually

Fits:
Porsche 964 1989 - 1994
Porsche 993 1994 - 1998

Diagram ref no 22

What This Part Does / Functions
•  Seals the chain housing / oil bridge connection
•  Helps prevent engine oil leaks
•  Supports correct sealing around the timing chain housing area
•  Helps maintain clean and reliable engine operation
•  Replaces a hardened, flattened, cut or leaking original O-ring
•  Provides correct OE Porsche size, material and fitment
•  Supports correct reassembly after chain housing or oil bridge service
•  Helps maintain factory engine sealing performance.

Why Replace This Part?
O-rings are exposed to engine oil, heat, pressure and age-related hardening. Over time, the seal can flatten, crack, swell or lose elasticity. Once the chain housing or oil bridge area has been disturbed, the O-ring should normally be replaced to ensure a reliable seal when reassembled. Replacing it with a Genuine Porsche OE chain housing O-ring helps prevent oil leaks and supports correct engine sealing.

Common Symptoms of a Failed Chain Housing O-Ring
•   Oil leak around the chain housing area
•   Oil residue near the oil bridge or chain tensioner area
•   Persistent seepage after previous engine work
•   Hardened, flattened or cracked O-ring during inspection
•   Oil smell from hot engine components
•   Oil drips underneath the vehicle
•   Seal damage after chain housing service
•   Need to reseal the oil bridge / chain housing connection.

When to Replace This Part
•   When removing or refitting the chain housing components
•   During chain housing, oil bridge or chain tensioner service
•   If oil leakage is traced to the chain housing sealing area
•   If the O-ring is hardened, flattened, cracked or damaged
•   During engine rebuild or top-end repair
•   When replacing related timing chain housing sealing components
•   After separating the oil bridge from the chain housing

Where It Fits on the Car
This O-ring fits in the engine chain housing / oil bridge sealing area. It is used around the timing chain housing system on the flat-six engine and helps seal the oil passage connection where specified. Correct installation is important. The sealing surfaces should be clean, and the O-ring should be fitted without twisting, pinching or damage.

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

99970728840
99970728840

The product you are viewing cross references to these numbers