Dorman GM Diesel Glow Plug Relay
Dorman now offers a diesel glow plug relay for popular late model Chevy and GMC pickup trucks, from 2004 to 2001. The glow plug relay provides power to the vehicle glow plugs, to help preheat and warm the vehicle cylinders during cold starts. To provide a convenient solution for this in demand replacement, our complete glow plug relay assembly features two Dorman relays inside for the left and right side glow plugs. Additionally, our glow plug relays are plug and play for easy installation, and ensure a proper fit every time.