Original Porsche Part Genuine Porsche part 99970160440

Engine timing oil seal / gasket set.



Fits:
Porsche 944
Porsche 968
Porsche 924S

This set provides everything needed to securely reseal the front of your engine. Alongside the oil seals, it includes replacement spacer rings, as the original ones often wear down from contact with the shaft seal lip and require replacement. The set also comes with O-rings and a camshaft both that needs to be replaced.

Contents list:
3 x 944 105 321 00 Gasket
1 x 999 113 349 40 Camshaft Seal
1 x 999 113 281 40 Balance Shaft Seal
2 x 999 113 282 40 Camshaft / Balance Shaft Seal
1 x 999 113 331 40 Oil Pump/Front main seal Seal
1 x 944 107 161 04 Oil Pump Drive Gear
1 x 999 701 602 40 Cam O-Ring
2 x 999 701 652 40 Aux. O-Ring
1 x 928 105 184 01 Sealing Ring
1 x 999 707 283 40 O-ring for oil pump front crankshaft

1 x 999 510 022 08 Camshaft bolt
1 x 928 105 139 05 Camshaft radial seal spacer bush
2 x  928 105 139 02 Balance shaft radial seal spacer bush

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SHAFTSEALKIT1

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Comprehensive Engine Timing Chain Kit for M96 Engines

Restore the integrity of your M96 engine’s timing system with this complete timing chain kit. Early-generation M96 engines are equipped with five timing chains—this kit replaces all chains along with the associated guides, tensioners, and hardware for a full system refresh.

Note: If the intake-to-exhaust camshaft timing chain tensioners require replacement, use part numbers 99610505158 and 99610505358.

Fits: 

• Porsche Boxster 986 2.7L 1999-02
• Porsche Boxster S 986 3.2L 1999-02
• Porsche 996 C2 3.4L 1997-08/01
• Porsche 996 C4 3.4L 1997-08/01

What is an Engine Timing Chain?

The timing chain is a vital component in an internal combustion engine, responsible for synchronizing the rotation of the crankshaft and camshafts. This precise coordination ensures that engine valves open and close at the correct times during each cylinder’s intake and exhaust strokes, allowing for smooth performance and efficiency.

While designed to last the lifetime of the engine, timing chains can wear, stretch, or become damaged. A worn chain can alter engine timing, strain the tensioners, and, if left unaddressed, lead to catastrophic engine damage and costly repairs. 

Signs of Timing Chain Kit Failure

Noise: A failing timing chain often produces a rattling or slapping noise, particularly noticeable at startup, idle, or during acceleration.

Reduced Performance: Stretched or worn chains can disrupt engine timing, resulting in sluggish acceleration, reduced power, or poor overall performance.

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

ENGINEKIT14

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