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Engine Timing Chain Kit. Porsche 997 Turbo 3.6L M97.70 2007-09 ❭ ENGINEKIT997T
- Porsche 997 MK1 TURBO 2007-09
This comprehensive timing chain overhaul kit includes the duplex timing chain along with guide rails, tensioner hardware and timing chain system components. Designed for Porsche 911 997 Turbo 3.6L M97.70 2007-2009. It ensures your timing drive system is fully refreshed.
Fits:
- Porsche 997 MK1 TURBO 2007-09
Diagram Ref No 23, 26, 29, 30, 31
What These Products Do:
- The timing chain ensures synchronicity between the crankshaft and camshafts (and sometimes intermediate shafts) so that the engine’s valves open and close at precisely the correct times.
- The chain drives these components; the guides/rails maintain correct chain path and tension, avoiding slack or mis‐alignment.
- Over time, chain wear, guide wear, tensioner fatigue or rail damage can allow the timing chain to “slacken” or develop play, which compromises timing accuracy, increases noise, and in worst cases can lead to catastrophic engine damage.
- The kit replaces all critical elements so the timing system returns to factory specification: fresh chain, guides, rails and related drive mechanism components.
Symptoms & When To Replace:
- Persistent rattling or clattering noise from the front of the engine (timing cover area) especially on cold start or idle — a common symptom of chain slack.
- Check engine light or fault codes related to camshaft timing, intermediate shaft, or variable valve timing — indicating potential timing chain or guide issues.
- Loss of power, rough running, misfiring or erratic engine behaviour — if timing is drifting due to chain wear/tensioner failure.
- High mileage engine or suspected wear: For performance engines, even if no overt symptoms yet, many recommend proactive replacement of timing system components when major work is being done.
- During major engine service (e.g., removal of timing cover, replacement of camshafts, front engine work) — since labour to access timing system is significant, replacing the kit at that time is efficient.
- When inspection reveals visible signs: worn chain links, elongated chain, cracked guide rails, damaged tensioner, excessive play in timing drive components.
Why Replacement Matters:
- Protects engine integrity: A failed timing chain or guide can lead to valve‐to‐piston contact, catastrophic engine damage, and huge repair cost — replacing this kit reduces that risk.
- Restores engine timing accuracy: A new chain/guide/rail set ensures valve timing is correct, delivering full engine performance, proper idle, smooth operation and correct response.
- Eliminates timing drive noise: Slack chain or failing guides often cause audible noise; fresh components restore quiet and refined engine behaviour.
- Cost-effective when open: Since accessing the timing chain system involves significant labour, replacing the full kit while you’re already under the timing cover saves rework later.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
ENGINEKIT997T
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits left or right. 2 PER Engine. Sold each.
TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two
Fits:
Porsche 944 1985>>
Porsche 928 1983
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410550105
The product you are viewing cross references to these numbers
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
To help remove all the balance shaft belt and ancillary
products on 944/968 which is only way to make the engine run smoother (After
you’ve removed that stuff these bungs to plug up the holes on the engine, so it
does leak from where the shafts used to be).
So, engine will still run without all that balance shaft
belt and ancillary, maybe a bit rougher but will save a bit of engine power not
having to drive all that stuff and engine weight. (Crankshaft/Camshaft timing
is on a separate timing belt on 944/968)
Replacement Porsche part no 94410292300.
Fits:
- Porsche 944S 2.5L 16V 1987-88 M44.40 engines
- Porsche 924S 2.5L 1987-88 M44.10 engines
- Porsche 944S2 3.0L 16V 1989-91 M44.41 engines
- Porsche 944 Turbo 2.5L 8V 1987-91 M44.52 engines
- Porsche 944 Turbo S 2.5L 8V 1988>> M44.52 engines
- Porsche 968 3.0L 1992-94 M44.43 engines
- Porsche 968 Sport 3.0L 1994-95 M44.43 engines
- Porsche 968 CS 3.0L 1993-95 M44.43 engines
- Porsche 968 Turbo S 3.0L 1993-94 M44.43 engines
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
3609509441
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits left or right. 2 PER Engine. Sold each.

TIP! If you detect a chain clap or rattling noise in the engine, your timing chain may be worn or stretched and needs replacing. each car has two
Fits:
Porsche 944 1985>>
Porsche 928 1983
Porsche 968
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410550105
The product you are viewing cross references to these numbers
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