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The Secret Of Fleece Auxiliary Heated Fuel Filter Kit, 2011-2016 Gm 6.6l Duramax Lml + Free Bonus [MS02Rp9V]

$57.99 $185.99 -69%

Fleece Auxiliary Heated Fuel Filter KitFor 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax LMLAuxiliary 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-flo

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The Secret Of Fleece Auxiliary Heated Fuel Filter Kit, 2011-2016 Gm 6.6l Duramax Lml + Free Bonus [MS02Rp9V]

Fleece Auxiliary Heated Fuel Filter Kit

For 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax LML

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.  

Problem: The LML Duramax was not originally equipped with a fuel heater, making it prone to fuel gelling in cold temperatures.


Solution: Our updated fuel filter base mounts in the factory location, providing for a direct factory replacement and the peace of mind to tackle the coldest of days with a high-flow fuel heater.

Kit includes: 
  • Fuel filter base with integral fuel heater and fittings
  • Donaldson 3 micron fuel filter and water separator
  • Pre-formed hose and hose clamps
  • Wiring harness and fuse taps
  • Water-In-Fuel (WIF) sensor and adaptation harness 
     

Fuel heater specifications:

  • 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

APPLICATION NOTES

  • For 2011-2016 6.6L Duramax only
  • 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.  

What Our Customers Say

January 16, 2026

Absolutely no complaints!

I'm very pleased with the durability so far.

- Charlie U..

January 16, 2026

Absolutely no complaints!

This is an expertly designed item.

- Trinity K..

January 16, 2026

Absolutely no complaints!

Sleek, compact, and powerful.

- Diane Morgan.

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