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- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
The OE Match Crankshaft Pulley Hub is a replacement crankshaft pulley mounting hub for selected Porsche 964 models from 1989–1994 equipped with the tapered-snout crankshaft.
- Porsche 964 ('89-'94)
Mounted directly to the front end of the crankshaft, the hub provides the accurately located mounting interface for the crankshaft pulley. The pulley then transfers crankshaft rotation through the engine's belt-drive system.
This OE Match replacement is manufactured from heat-treated alloy steel and finished with yellow zinc plating for corrosion protection.
Important: this product is the crankshaft pulley hub only. The actual pulley shown or used with the hub is not included.
What This Product Does:
The crankshaft pulley hub connects the crankshaft's tapered nose to the crankshaft pulley assembly.
Its main functions include:
- Locating the crankshaft pulley accurately on the crankshaft
- Providing a secure interface between the crankshaft and pulley
- Transferring crankshaft rotation into the belt-drive system
- Helping keep the pulley correctly centred
- Maintaining correct pulley alignment
- Supporting reliable belt tracking
- Providing the mounting foundation for compatible original or replacement pulley arrangements
Because the pulley rotates at engine speed, the hub must maintain accurate alignment and a secure connection to the crankshaft.
Symptoms Of Wear Or Failure:
The pulley hub is a robust steel component and does not normally require routine replacement, but it can become damaged through age, incorrect installation, previous removal, loose fasteners or damage to the crankshaft/pulley interface.
Possible symptoms include:
- Visible pulley wobble
- Excessive pulley runout
- Belt running out of alignment
- Repeated belt movement across the pulley
- Belt squealing
- Belt jumping or being thrown off
- Abnormal vibration at the pulley
- Rattling from the crank pulley area
- Pulley appearing loose
- Visible damage to the hub
- Corrosion around the mating surfaces
- Wear or fretting marks
- Damage to the tapered mounting surface
- Difficulty achieving correct pulley alignment
- Repeated loosening of the pulley assembly
Any noticeable crankshaft-pulley wobble should be investigated promptly.
Why Replacement Matters:
A damaged crankshaft pulley hub can prevent the pulley from rotating correctly.
Continued operation may contribute to:
- Pulley wobble
- Belt misalignment
- Accelerated belt wear
- Belt failure
- Damage to neighbouring pulleys
- Excessive vibration
- Loosening of the crankshaft pulley
- Damage to the pulley mounting interface
Because the belt-drive system supports important engine functions, correct pulley alignment is more than a cosmetic concern.
Replacing a worn or damaged hub restores the accurately machined interface between the crankshaft and pulley.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96410205001
The product you are viewing cross references to these numbers
100 Plasigauge strips per box
PLASTIGAUGE PL-A is widely used in the measurement of clearance in plain automotive bearings. Measurement of clearance in big-end bearings can be achieved without dismantling the crankshaft.
For measurements of: 0.001″ to 0.007″ (0.025mm – 0.175mm)
Suitable for use at temperatures between 0°C and 35°C
Contents:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PLA007
The product you are viewing cross references to these numbers
3G Mineral Grease: To coat journal prior to use of Plastigauge
3G Silicone Grease: To apply to surface of shell
Lubricants to assist with the measurement of clearance in automotive bearings.
Plastigauge Precision Clearance Gauges
Kit includes:
1 x Plastigauge PL-A box
1 x Plastiguage Mineral grease
1 x Plastiguage Silicone grease
PLASTIGAUGE PL-A is widely used in the measurement of clearance in plain automotive bearings. Measurement of clearance in big-end bearings can be achieved without dismantling the crankshaft.
3G Minerak Grease: To coat journal prior to use of Plastigauge
3G Silicone Grease: To apply to surface of shell
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PLASKIT
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
