DORMAN 904-394 DIESEL EXHAUST FLUID (DEF) HEATER 2012-2016 GM 6.6L DURAMAX LML

The Dorman 904-394 Diesel Exhaust Fluid (DEF) Heater is the reliable solution to a common issue faced by certain vehicles with failing factory DEF heaters due to fluid intrusion. This OE FIX product from Dorman addresses this problem with an upgraded design that ensures enhanced protection and increased durability.

Crafted as an upgraded replacement, this DEF heater provides additional safeguards against fluid intrusion, effectively restoring the vehicle's performance. Engineered to perfectly match the fit and function of the original equipment part, this heater undergoes rigorous cyclical testing to guarantee top-notch quality and performance.

With a height of 191 mm, this DEF heater comes in a durable black plastic housing and features two electrical connectors with two terminals each. The package includes one DEF heater along with the necessary mounting hardware for easy installation. The electrical connectors are designed with male and female genders, while the wires come in black, white, yellow, blue, red, and gray insulation materials.

Trusted by a team of skilled engineers in the United States, this Dorman DEF heater is a specific fit for 2012-2016 GM 6.6L Duramax LML vehicles. It is compatible with OE numbers 22872118, 22902620, 23379348, and 84412924 from General Motors, ensuring a seamless replacement experience for your vehicle.

Upgrade your vehicle's DEF heater with the reliable and tested Dorman 904-394 DEF Heater for improved performance and long-lasting reliability.