Camshaft sprocket. Porsche 911 1965-98  ❭  90110554604

Camshaft timing gear / Drive sprocket.
The Genuine Porsche 90110554604 Camshaft Timing Gear is the factory drive sprocket that transfers motion from the timing chain to the camshaft on classic air-cooled engines. Precision-cut teeth and OEM-spec indexing ensure accurate valve timing, quiet chain operation, and long service life.
Fits: Left or Right, Sold each.

Fits:
Porsche 911 1965 - 1989
Porsche 964 1989 - 1994
Porsche 993 1994 - 1998

Diagram ref no 22.

Where it fits / what it does
• Location: Camshaft nose, inside the timing chain housing
• Function: Meshes with the timing chain to drive the camshaft at precise phase relative to the crankshaft

Why & when to replace:
• Tooth wear or pitting, chain elongation damage, or abnormal noise
• During timing chain, tensioner, or full top-end rebuilds
• To restore correct cam timing after diagnosing erratic valve events or metal debris in the housing

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Related, superseded, cross reference or alternative numbers for comparison.

90110554604

The product you are viewing cross references to these numbers