3 0 Cummins ISC 8.3 Engine Harmonic Balancer $150 USD Quality used vibration damper for a Cummins ISC/ISL 8.3 engine, backed by our standard warranty. OEM # 3925566, 3925566, Cummins 3922556, Cummins 3925566 Please Note: The part sent may not... Quantity2ConditionUsedStock Number42-395566-STK MLS Number13374887CategoryEngine Harmonic Balancers Last Updated8/19/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info