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Timing Chain. Porsche 982 Boxster GTS / Cayman GTS / Spyder / GT4 4.0L 2017>> - 0PB109252B
Special Order item
0PB109252B
Product Information
Product Information
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
0PB109252B

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