✔Compatible vehicle: 84303149 Heater Cord compatible with all 2001-2017 and most 2018 Duramax 6.6L Diesel Engines in any vehicle.Before purchasing, please check the detailed page information of the compatible model in the picture to ensure that our parts are the same as your old parts.
✔OE#84303149.ReplaceOE#19301659,23402644,20837210,12681380,12705875, 19419326, 84303149.Easy installation, no complex procedure, perfect match for your car.Equipped with standard three pin plugs suitable for multiple models and engine types, with strong versatility.
✔Function: 84303149 Heater cord efficiently resolves cold-start challenges by preheating critical engine components, enhancing fuel efficiency through reduced friction and minimizing battery strain in sub-zero temperatures. It accelerates cabin heating via optimized thermal transfer, supports gasoline, diesel, and hybrid engines and features plug-and-play installation with durability.
✔High-quality: 84303149 Block heater cord made from high-quality materials, it ensures stability, durability, and extended service life. Ensuring that vehicles can start smoothly and operate efficiently in various harsh environments.Direct-fit replacement built to OE specifications for easy installation, it effectively restores engine performance, tested many times before leaving the factory, it can be used safely for a long time.
✔After-Sales Service: We're here for you 24/7! Enjoy 1-year product service and dedicated support. Whether it's about heater cord installation, product performance, or any other concerns, don't hesitate to reach out—we've got you covered.