4JH1 Engine Crankshaft Damper Pulley 8972548440 NKR NLR NPR Isuzu 4JH1 4KH1 Engine Parts Dynamic Balance Test 4 Groove Fan Belt

Product Description This is an integrated crankshaft damper pulley for light duty commercial truck engines. It adopts multi V groove layout compatible with multiple drive belts. The unit combines outer belt ring damping rubber layer and inner metal hub as one complete assembly. No extra disassembly is required for normal installation. Core Functions First it transmits rotational torque from engine crankshaft. It drives a series of engine auxiliary components such as