roller rocker arm Genuine Porsche part PAC109417

Timing chain with tensioner rail. 



Fits:
Porsche 95B.2 Macan S / GTS / turbo - 2019 to 2021
Porsche 95B.3 Macan S  / GTS - 2022 Onwards
Porsche 971.1 Panamera 2.9ltr V6 - 2017 to 2020
Porsche 971.1 Panamera 3.0ltr V6 - 2017 to 2020
Porsche 971.2 Panamera 2.9ltr V6 - 2021 to 2023
Porsche 9YA Cayenne 2.9ltr V6 - 2018 to 2023 
Porsche 9YA Cayenne 3.0ltr V6 - 2018 to 2023

Fits Engine Codes
95B.2 / 95B.3 - DLZ / DLZB / DGR / DGRB / DGRC
971 Panamera - CSZA / CSZ / CXTA / CXT / DGPA / DGP / CSZB / CSZ
9YA Cayenne - DCAB / DCA / DCBE / DCB

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Diagram ref no 1

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Related, superseded, cross reference or alternative numbers for comparison.

PAC109450

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Porsche Cayenne 9YA Timing Chain Kit with Tensioners & Guide Rails – 2.9L & 3.0L Engines

The timing chain kit with tensioners and guide rails is a critical engine service solution designed to maintain precise valve timing and long-term engine reliability. This comprehensive kit includes the essential components required to control chain movement, maintain correct tension, and prevent internal engine damage.

Fits:

• Porsche 9YA Cayenne V6 3.0L Petrol 340Hp 2018-23
• Porsche 9YA Cayenne Coupe V6 3.0L Petrol 340Hp 2019-23
• Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 340Hp 2018-23
• Porsche 9YA Cayenne Coupe E-Hybrid V6 3.0L 340Hp 2020-23
• Porsche 9YA Cayenne S V6 2.9L Petrol 440Hp 2018-23
• Porsche 9YA Cayenne Coupe S V6 2.9L Petrol 440Hp 2019-23
• Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
• Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
• Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
• Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
• Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20
• Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
• Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
• Porsche 971.2 Panamera 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 E-Hybrid 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 E-Hybrid Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S E-Hybrid 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S E-Hybrid Sport Turismo 2.9L V6 2021-23
• Porsche 95B.2 Macan S Petrol 3.0L V6 354Bhp 2019-21
• Porsche 95B.2 Macan GTS Petrol 2.9L V6 380Bhp 2019-21
• Porsche 95B.2 Macan Turbo 2.9L V6 440Bhp 2019-21
• Porsche 95B.3 Macan S Petrol 2.9L V6 380Bhp 2022>>
• Porsche 95B.3 Macan GTS Petrol 2.9L V6 440Bhp 2022>>

Fitted to modern Porsche V6 petrol engines, the timing chain system synchronises the crankshaft and camshafts, ensuring accurate valve operation across all engine speeds. Over time, wear within the chain, tensioners, or guide rails can lead to timing inaccuracies, noise, and potentially catastrophic engine failure. Replacing the complete timing chain kit restores correct engine timing and protects high-value internal components.

What Does a Porsche Cayenne 9YA Timing Chain Kit Do?

The timing chain kit for Porsche Cayenne 9YA 2.9L and 3.0L engines ensures the precise mechanical synchronisation of the engine’s rotating components. Its functions include:

• Maintaining correct camshaft-to-crankshaft timing
• Controlling chain tension under varying engine loads
• Reducing vibration and chain slap
• Preventing premature wear of timing components

The inclusion of new tensioners and guide rails ensures consistent chain control, especially during cold starts and high-load driving conditions.

Why Do Timing Chains, Tensioners & Guide Rails Fail?

Timing chain system components on Porsche 9YA Cayenne models can fail due to:

• Normal wear over high mileage
• Degraded or brittle plastic guide rails
• Hydraulic tensioner fatigue or oil pressure issues
• Extended oil change intervals or oil contamination

Early warning signs often include rattling noises on cold start, engine fault codes, rough running, or timing deviation faults. Ignoring these symptoms can result in chain jump, valve-to-piston contact, and severe engine damage.

When Should You Replace a Porsche Cayenne 9YA Timing Chain Kit?

You should replace the timing chain kit with tensioners and guide rails when:

• Carrying out major engine servicing or rebuilds
• Experiencing timing-related fault codes or start-up rattles
• Replacing failed or noisy chain tensioners
• Preventative maintenance on higher-mileage vehicles
• Restoring engine performance and reliability

Replacing the full kit — rather than individual components — ensures balanced wear, correct tension, and long-term durability.

At Design911, we supply high-quality Porsche engine timing components engineered to meet the demands of modern performance engines.

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

PAC109450

The product you are viewing cross references to these numbers