View 8 Photos View 0 Videos Cummins ISC 8.3 Engine Wiring Harness $540 USD Quality used engine wire harness for an 8SC/ISL 8.9 engine with epa 2007+, backed by our standard warranty. OEM # 5256656, 4981119, 4946723, 4941057 Please Note: The part sent may not... Quantity2ConditionUsedStock Number12E-5256656-STK MLS Number13374883CategoryEngine Wiring Harnesses Last Updated11/18/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info