Description:

Part Name: Engine Block Heater Cord; Heavy Gauge Block Heater Cord. Part Number: 84303149 19301659 23402644 20837210 12681380 12705875 19419326. Compatible with 2001-2018 6.6 L Duramax Diesel Engine Chevy GMC 2500 3500. Compatible with All 2001-2017 and most 2018 Duramax 6.6L Diesel Engines in any vehicle.