DORMAN 904-387 DIESEL EXHAUST FLUID (DEF) HEATER 2012-2016 GM 6.6L DURAMAX LML EXPRESS/SAVANA

Detailed Applications

Product Specifications

OE Numbers

The DORMAN 904-387 Diesel Exhaust Fluid (DEF) Heater is an essential upgrade for 2012-2016 GM 6.6L Duramax LML Express and Savana models, addressing a common vulnerability in factory-installed heaters. Designed with enhanced protection against fluid intrusion, this OE FIX solution alleviates the typical performance issues associated with the original equipment.

Crafted to match the specifications and functionality of the original part, this DEF heater restores vital performance levels, ensuring efficient operation of your diesel vehicle's emissions system. Each unit is rigorously tested through cyclical heater element fatigue tests, guaranteeing reliability and longevity in demanding conditions.

Constructed with high-quality materials, the DORMAN DEF heater features a durable plastic housing available in sleek black. The design includes two male and female electrical connectors, ensuring a perfect fit and easy installation without additional modifications. Each heater comes with necessary mounting hardware, simplifying the setup process and allowing for a straightforward replacement.

The internal components are engineered for optimal efficiency, with a well-designed hose fitting configuration made from sturdy plastic to withstand wear and tear. While the heater does not come with a hose, it is compatible with existing setups, ensuring seamless integration into your vehicle’s exhaust fluid management system.

Whether you’re looking to restore the functionality of your current unit or prevent future failures, the DORMAN 904-387 DEF heater is the more reliable choice. With the backing of a dedicated team of engineers in the United States, this product stands as a testament to trustworthy quality and innovative design, making it a must-have for any Duramax LML owner seeking a long-lasting solution.