Fits: 2011 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LML Duramax Diesel 

Introducing Fleece's all-new full featured auxiliary fuel filter kit for the 2011-2016 LML 6.6L Duramax! This kit replaces the factory fuel filter housing with a new filter base, integral high-flow fuel heater, Water-In-Fuel (WIF) sensor, and Donaldson spin-on canister style filter. The filter base eliminates the factory fuel primer bulb and is intended for use with a positive pressure lift pump such as our PowerFlo lift pump or alternative frame mounted pump. The LML Duramax was not originally equipped with a fuel heater, make it prone to fuel gelling in cold temperatures.

Features: 

• Integral high-flow fuel heater
• Temperature switching points: ON: 28.4F /-5.4F,  OFF: 48.2F /- 5.4F
• At typical fuel flow rates a temperature increase of between 4-8F will occur across the heating element
• 1 year Limited Warranty

Includes:

• Fuel filter base w/ integral fuel heater and fittings
• Donaldson 3 micron fuel filter and water separator 
• Pre-formed hoses and hose clamps 
• Wiring harness and fuse taps 
• Water-in-Fuel (WIF) sensor and adaptation harness 

Notes: 

• This filter base eliminates the factory fuel primer bulb and is intended ONLY for use with a positive pressure lift pump such as our PowerFlo lift pump or alternative frame mounted pump. 

Install Instructions