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Porsche > Cayenne 9PA (955) 2003-2006 > 955 Cayenne Turbo 4.5L 2003-06 > Engine Rebuild Parts > Chains & Tensioners >

Engine Timing Chain Kit. Porsche 991.2 Carrera 2 / 2S / 4 / 4S 3.0L 2016-19  ❭  ENGINEKIT991.2.OE

Engine Timing Chain Kit. Porsche 991.2 Carrera 2 / 2S / 4 / 4S 3.0L 2016-19 - 0PB109507G, 0PB109509B, 0PB109514A, 9A210514801, 0PB109513B, 9A110523302, 0PB109508B
2
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ENGINEKIT991.2.OE
Product Information
Product Information
Engine Timing Chain Kit.
Restore your Porsche’s timing drive system with this comprehensive overhaul kit.

Fits:
  • Porsche 991.2 Carrera 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Carrera 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Carrera 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 2S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Cabriolet 4S 3.0L (420 Bhp) 2016-19
  • Porsche 991.2 Targa 4 3.0L (370 Bhp) 2016-19
  • Porsche 991.2 Targa 4S 3.0L (420 Bhp) 2016-19

Diagram Ref No 1, 4, 5, 6, 9, 10, 11

What These Products Do:

  • The timing chain drives the camshaft(s) from the crankshaft (and possibly intermediate shafts) so the valves open/close in synchrony with piston motion.
  • The main chain is the primary drive link; the tensioner ensures the chain remains under correct tension during all engine conditions, preventing slack or skip.
  • Guide rails/slide rails and tensioner blades provide the correct path and contact surface for the chain, reduce vibration, maintain alignment and protect from accelerated wear.
  • Over time, chains can stretch, tensioners weaken, guides/rails wear and blades incur damage — if untreated, this leads to timing errors, engine noise, codes or even catastrophic failure.
  • A full kit resets the timing drive system: new chain, tensioning hardware, guiding rails etc — bringing the system back to better condition.

When / Symptoms That Indicate Replacement:
  • Rattling or clattering noise from the timing cover area (front of engine) especially on cold start or idle — often chain slack or guide wear.
  • Diagnostic trouble codes (DTCs) for camshaft/crankshaft correlation, variable valve timing errors, or messages about timing chain drift — these can stem from worn chain or tensioner.
  • Drop in engine performance: rough idle, mis-firing, loss of power or uneven running — timing is off due to chain or guiding component wear.
  • High mileage/high-use performance car where original timing chain hardware remains — proactive replacement avoids greater cost.
  • When doing major engine service that involves removing the timing cover, front engine cover, or accessing the timing chain drive — since labour is already significant.
  • Visual inspection (if possible) shows chain slack, broken/damaged guide rails or blades, oil-feed to the tensioner compromised.

Why Replacement Matters:
  • Protect your engine: A failed timing chain drive can result in catastrophic engine damage (valves/pistons collision) in many Porsche engines.
  • Restore precise timing and engine health: New chain + guides + tensioner ensures the engine runs exactly as designed with correct valve events and ignition timing.
  • Eliminate chain-slap noise, improve NVH: Worn chain and guides often produce audible noise and degrade refinement.
  • Get full value from service labour: Since accessing the chain drive requires major labour, fitting a full kit now prevents partial fixes and repeated dismantling.



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

ENGINEKIT991.2.OE
0PB109507G
0PB109509B
0PB109514A
9A210514801
0PB109513B
9A110523302
0PB109508B

The product you are viewing cross references to these numbers
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Click 'Zoom in' for large parts diagram.
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