How a car works

All partsBMW M4 CSLS58 engineBelt drive › Crank pulley

Crank pulley

Part of Belt drive · about $290 to replace

What it is

Harmonic damper on the crank nose.

What it does

Drives the belt and damps torsional vibration.

How it fails

Rubber ring separates with age; the outer ring wobbles.

MaterialSteel with bonded rubber ring
Spec160 mm
8 kg
Crank pulley highlighted on the car

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