Timing Chain. Porsche 982 Boxster GTS / Cayman GTS / Spyder / GT4 4.0L 2017>>  ❭  0PB109252B

Timing Chain.
Restore the heart of your engine’s timing system with this genuine OEM timing chain. The timing chain is designed for precise crank-to-cam synchronization on selected Porsche models. Built to exact factory specifications, it ensures accurate valve timing, smooth engine operation, and long-term durability under high rpm and high load conditions.
Sold Each.
x2 Required Per Car.

Fits:

• Porsche Boxster GTS 718 4.0L Manual (400 Bhp)
• Porsche Boxster GTS 718 4.0L PDK (400 Bhp)
• Porsche Boxster Spyder 718 4.0L (420 Bhp)
• Porsche Boxster 25 Years 718 4.0L Manual (400 Bhp)
• Porsche Boxster 25 Years 718 4.0L PDK (400 Bhp)
• Porsche Cayman GTS 718 4.0L Manual (400 Bhp)
• Porsche Cayman GTS 718 4.0L PDK (400 Bhp)
• Porsche Cayman GT4 718 4.0L / GT4 RS 718 4.0L

Diagram Ref No 1

What This Product Does:

• The timing chain is a Porsche component designed for certain Porsche models (for example, the 718 Boxster, 718 Cayman, 718 Spyder, and possibly newer ones) to control the timing between the crankshaft and the camshaft(s).
• Its role is to synchronise the valves opening/closing with piston movement — ensuring engine timing stays accurate under load.
• As the chain rotates, it transmits mechanical power from the crankshaft to camshaft(s) so that the proper valve events happen at the correct times.

Symptoms Of Failure:

• Rattling noise or audible ticking/knocking from the engine’s timing cover area — often when starting cold or idling.
  
• Check Engine Light (CEL) setting, often related to cam/crank correlation or timing issues.
  
• Poor engine performance — misfires, rough idle, reduced power or hesitation due to the timing going out of spec.
  
• In worst-case: the engine may fail to start if the chain has jumped teeth or broken entirely.
• High mileage wear: If the car has many km/miles, chain stretch becomes more likely.
  
  

Why Replacement Matters:

• A properly functioning timing chain is critical for engine health. If timing is off, valves and pistons can collide (in interference engines), causing serious and expensive damage.
  
• Replacing the chain before a major failure prevents catastrophic outcomes and engine downtime.
  
• Over time, even if not broken, wear will degrade performance and reliability — so replacing a worn chain restores optimal operation.
• Since this is an OEM Porsche part, it ensures fitment, durability and specification compliance for the vehicle it’s designed for, giving confidence in quality.
• Neglecting a bad chain can lead to much higher repair costs, such as cylinder head work or complete engine replacement.

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0PB109252B

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