Replacement Gm 12642623 6.6 Diesel Fuel Pump/Water Seperator Fuel Filter Housing Fits 2005-2016 Chevrolet Silverado Gmc Sierra 6.6L Duramax Fits 2005 Lly, 2006-2007 Lbz, 2007.5-2010 Lmm 2011-2016 Lml

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Please Note That When Installing This Filter Housing In Cold Weather, The O-Ring Inside The Prime Pump May Freeze Very Stiff. It Is Recommended To Install It Indoors And Heat The ‘Prime Pump’ To Soften The O-Ring To Ensure No Leakage