Amazon: duramax fuel filter housing Amazon: duramax fuel filter housing. Skip to main content. Dorman 904-517 Diesel Fuel Filter Housing for Select Chevrolet / GMC Models. 4.5 out of 5 stars 2. $106 $ 106. 95 $126 $126. Get it as soon as Tue, Oct 15. FREE Shipping by Amazon. Only 7 left in stock (more on the way). 6 Duramax Fuel Filter Replacement & Water-Separator 6 Duramax Fuel Filter Replacement Duramax Fuel Filter Replacement Procedures. The fuel filter housing is located on the passenger side of the engine and features an integrated pumping device in order to prime the fuel system after replacing the fuel filter.