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USD 212.41
Part #: GM12642623

GM 12642623 Fuel Filter Head Assembly

Vehicle Fitment:
2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM | See full application list below
Part #: GM12642623
★★★★★ ★★★★★ 39 Reviews
$212.41
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Description

The GM 12642623 Fuel Filter Head Assembly for your 2004.5-2010 GM 6.6L Duramax is an OE factory replacement for your GM Duramax. Over time, the stock fuel filter head can leak or become damaged causing poor running conditions, hard starting, and more. 

This Fuel Filter Head is a genuine GM part that will restore proper operation to your fuel system and is a direct replacement for the stock unit. A fuel filter, Water In Fuel (WIF) sensor, and air bleeder screw are included with the head assembly to ensure you have everything you need for installation. 

Features: 
  • Direct Replacement 
  • Fits LLY/LBZ/LMM Engines 
  • Filter, Air Bleeder Screw, & Water In Fuel (WIF) Sensor Included

Vehicle Fitment

YEAR MAKE FOR ENGINE SERIES
2004.5 Chevy 6.6L LLY Duramax
2005 Chevy 6.6L LLY Duramax
2006 Chevy 6.6L LLY/LBZ Duramax
2007 Chevy 6.6L LLY/LBZ Duramax
2007.5 Chevy 6.6L LMM Duramax
2008 Chevy 6.6L LMM Duramax
2009 Chevy 6.6L LMM Duramax
2010 Chevy 6.6L LMM Duramax
2004.5 GMC 6.6L LLY Duramax
2005 GMC 6.6L LLY Duramax
2006 GMC 6.6L LLY/LBZ Duramax
2007 GMC 6.6L LLY/LBZ Duramax
2007.5 GMC 6.6L LMM Duramax
2008 GMC 6.6L LMM Duramax
2009 GMC 6.6L LMM Duramax
2010 GMC 6.6L LMM Duramax

Specifications

  • MFG. Number 12642623
  • Manufacturer Name GM / ACDelco
  • Shipping Weight 3.00 lb.
  • Shipping Length 13 in.
  • Shipping Width 9 in.
  • Shipping Height 8 in.
  • Fuel Type Diesel
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm - P65Warnings.ca.gov
  • Internal L0R22

Reviews

★★★★★ ★★★★★
4.9/5 Stars out of 39 Reviews
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35
Primer button leaked.
3
Got the assembly put it on. Instantly was leaking out of primer ball. Took it off disassembled it, there is a O-ring that is between the flange of the primer button and the male threaded part of the filter head itself that was rolled and not sealing correctly. Took the O-ring set it into the flange then pushed it on the the filter head it self with abit of grease and it sealed.
Verified Buyer
Primer pump
4
Quick change out, faster than a rebuild kit.
Verified Buyer
Loss of prime
5
Having issues with loss of prime on the fuel filter housing. Replaced it with this all in one part. Easy to install! Great price and fast shipping!
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Questions and Answers

Will this work with my LB7?
View Staff Answer 
Answer

The GM 12642623 is a direct fit for 2004.5-2010 GM 6.6L Duramax 6.6L.

That being said, the Fuel Filter Head Assembly can be used on LB7 applications. This requires additional fuel line and rerouting to work properly. (You will not have the ability to reconnect the filter head heater wires. This will not cause any CEL’s or issues.)

Click Here for the LB7 Kit

Will this work on a LBZ ?
View Staff Answer 
Answer
This works for LLY, LBZ, and LMM Duramax trucks.
Does this come with the filter?
View Staff Answer 
Answer
Yes, this includes the filter!
There are two different applacations for filter housings will this work on either one?
View Staff Answer 
Answer

The GM 12642623 Fuel Filter Head Assembly will fit the 04.5-05 LLY, 06-07 LLY/LBZ, and the 07.5-10 LMM

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