2004 Duramax fuel filter head dmaxstoreImage: dmaxstoreThe Racor PFF4245R2-04 ParFit FuelFilterHeadAssembly is a direct replacement for your 2001-2004GM 6 DuramaxLB7. Over time,the seals in the factory filterheadare known to leak causing issues such as hard starting,air leaks,and priming issues. Replacing the entire assembly eliminates the hassle of having to rebuild the unit. Racor PFF4245R2-04 ParFit Fuel Filter Head Assembly Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how duramax fuel filter head | eBay www›Search›duramax fuel filter headFind great deals on eBay for duramax fuel filter head. Shop with confidence. Skip to main content. eBay Logo: For 2004-2013 6 Duramax Diesel Fuel Filter Head Assembly, LB7 LLY LBZ LMM LML. Brand New. $57. From China. Trending at $75 Trending price is based on prices over last 90 days. GM 12642623 Fuel Filter Head Assembly - XDP wwwmediesel›*XDP Manufacturers›GMThe GM 12642623 Fuel Filter Head Assembly for your 2004.5-2010 GM 6 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.