Glow Plug Relay for 01-04 GM 6.6L Duramax LB7
An essential replacement item, Dorman’s Diesel Glow Plug Relay properly heats the vehicle’s glow plugs, ensuring that your diesel engine starts smoothly and reliably in cold weather. The relay is engineered from high-quality materials for long-lasting durability.
Replacement restores the diesel glow plug power system to original operation
Direct replacement for a proper fit
Plug and play repair solution – no programming necessary
Lifetime Warranty On Dorman Products