Timing chain, Front. Porsche 955 Cayenne / 957 Cayenne / 958 Cayenne 3.2L / 3.6L › PAB109503

Timing Chain. Crankshaft To Cam. EACH.

Fits:
Porsche 987.2 Boxster
Porsche 981 Boxster
Porsche 987C.2 Cayman
Porsche 981C Cayman
Porsche 997.2
Porsche 991.1

Price is for each.

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Diagram ref no 1

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9A110514203

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Timing chain
OE Match timing chain for Porsche Boxster, Cayman, 997, and 991 models. This replacement timing chain helps maintain accurate camshaft timing and reliable engine operation.
Sold individually

Fits:
Porsche 987.2 Boxster 2009 - 2012
Porsche 981 Boxster 2012 - 2016
Porsche 987C.2 Cayman 2009 - 2012
Porsche 981C Cayman 2013 - 2016
Porsche 997.2 2009 - 2012
Porsche 991.1 2012 - 2016

Diagram ref no 1

The timing chain synchronises engine rotation between the crankshaft and camshafts. Correct timing chain operation is essential for accurate valve timing, smooth running, engine performance, and long-term reliability.

Functions
• Replaces the engine timing chain
• Helps synchronise crankshaft and camshaft movement
• Supports accurate valve timing
• Helps maintain smooth engine running and performance
• Used during timing chain, camshaft drive, or engine rebuild service
• Replaces stretched, noisy, worn, or damaged timing chains
• OE Match replacement for Porsche engine timing system repair.

Why Replace This Part?
Timing chains are highly loaded engine components and can wear, stretch, become noisy, or suffer damage over time. A worn or stretched timing chain may cause timing noise, poor running, fault codes, reduced performance, or incorrect camshaft timing. Replacing the timing chain helps restore correct engine timing and protects related timing system components.

When to Replace This Part
•  Timing chain noise or rattle is present
•  Timing chain stretch is detected
•  Camshaft timing faults or related engine codes are present
•  Engine performance is reduced or running is uneven
•  Timing chain guides, tensioners, or camshaft drive parts are being replaced
•  Engine rebuild or major timing service is being carried out
•  Preventative replacement is required during Porsche engine maintenance

Where it fits on the car
This timing chain fits within the engine timing / camshaft drive system on Porsche Boxster, Cayman, 997, and 991 models. Exact chain position can vary depending on engine type and timing layout.

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9A110514203

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Timing Chain Kit for Camshaft & Oil Pump 

OE Match engine timing chain kit for selected Porsche Boxster, Cayman, 997 and 991 models, providing the principal chain components required when overhauling the camshaft timing and oil pump drive systems.

Fits:

• Porsche Boxster 987 MKII 2.9L 2009-12
• Porsche Boxster S 987 MKII 3.4L 2009-12
• Porsche Boxster 981 2.7L 2012-16
• Porsche Boxster 981 S / GTS 3.4L 2012-16
• Porsche 997 MKII Carrera C2 3.6L 2009-12
• Porsche 997 MKII Carrera C4 3.6L 2009-12
• Porsche 997 MKII Carrera C2S 3.8L 2009-12
• Porsche 997 MKII Carrera C4S 3.8L 2009-12
• Porsche 997 MKII GT3 / GT3 RS 2010-11
• Porsche 997 MKII Turbo 2010-13
• Porsche 997 MKII GT2 RS 2011-13
• Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
• Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
• Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
• Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
• Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
• Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
• Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
• Porsche Cayman 2.9L 987C MKII 2009-12
• Porsche Cayman S / R 3.4L 987C MKII 2009-12
• Porsche Cayman 2.7L 981 2013-16
• Porsche Cayman S / GTS 3.4L 981 2013-16
• Porsche Cayman GT4 3.8L 2015-16

The kit contains two 142-link closed timing chains, one 60-link closed chain and two timing chain tensioners. It is suitable for selected Porsche 987.2, 981, 997.2 and 991.1 engines. 

What Does the Timing Chain Kit Do?

The camshaft timing chains transfer rotation from the crankshaft to the camshafts, keeping valve operation correctly synchronised with piston movement.

The oil pump drive chain transfers mechanical drive to the oil pump, which circulates pressurised engine oil through the lubrication system.

Both systems are critical to reliable engine operation.

Why Do Timing Chains and Tensioners Wear?

Timing components operate continuously whenever the engine is running. Over time, wear can develop through:

High mileage Chain and tensioner wear Poor or infrequent oil servicing Contaminated engine oil Incorrect chain tension Wear to associated guides or sprockets Previous internal engine problems

A worn timing system can produce chain noise or timing-related faults and, in severe cases, may affect correct camshaft timing.

When Should They Be Replaced?

Timing components should be inspected if there is abnormal chain noise, timing-related fault codes, excessive chain wear or evidence of tensioner problems.

They should also be carefully assessed during an engine rebuild or other major work where the timing system is already accessible.

Associated guides, sprockets and other timing components should be inspected at the same time.

Checks During Installation

When replacing the timing chains, also inspect:

• Timing chain guide rails
• Chain sprockets
• Camshaft timing components
• Oil pump drive components
• Tensioner contact surfaces
• Engine oil condition
• Oil passages
• Related seals and fasteners

Correct engine timing must be established using the appropriate Porsche engine timing procedure and specialist tools.

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

9A110514203

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Engine timing Chain Kit for camshaft and oil pump gears
This OE Match engine timing chain kit provides the listed components for the camshaft timing and oil pump drive systems used across selected Porsche 987.2, 981, 997.2 and 991.1 engines. It is intended for timing-system overhaul work where associated chains, guide components and sprockets are being renewed together.

Fits:
Porsche 987.2 Boxster
Porsche 981 Boxster
Porsche 987C.2 Cayman
Porsche 981C Cayman
Porsche 997.2
Porsche 991.1

Contains:
 2x 9A110514203
 1x 9A110523302
 1x 9A110523502
 2x 9A110515304
 2x 9A110515504
 2x 9A110515703
 1x 9A110522502
 1x 9A110514702
 1x 9A110514802
 2x 9A110510102

Diagram ref no 1

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

9A110514203

The product you are viewing cross references to these numbers