New LML Duramax Diesel Exhaust Fluid (DEF) Heater | 23379346, 84412929 | 2011 Chevy / GM Duramax LML 6.6L

New LML Chevy Silverado/GM Sierra Diesel Exhaust Fluid (DEF) Heater. Upgrade the DEF system in your 2011 Chevy Silverado or GMC Sierra with this improved heater designed to address common factory failures. Engineered to meet or exceed OE standards, this precisely calibrated heater and temperature sensor prevents DEF freezing and ensures accurate fluid level monitoring while providing additional protection against fluid intrusion. This heater is rigorously tested for fit, function, and leak prevention and is the trusted choice for maintaining efficiency and compliance. This carries a one year warranty.

Features:

• Precision Temperature Control: Maintains the correct DEF temperature for consistent performance.
• Quality Tested: Built to the same high standards as the original factory-installed heater.
• Efficient Operation: Supports engine function and reduces harmful emissions.
• Durable Construction: Made from premium materials for long-lasting reliability.
• Easy Installation: Seamless integration with your existing system.

Ensure the longevity and efficiency of your Chevy Silverado or GMC Sierra engine with this upgraded DEF heater, engineered for superior performance and durability while reducing environmental impact.

Fits:

• GMC:
  • 2011 GMC Sierra 2500 HD
  • 2011 GMC Sierra 3500 HD
• Chevrolet:
  • 2011 Chevrolet Silverado 2500 HD
  • 2011 Chevrolet Silverado 3500 HD