ECOGARD XF66159 Diesel Fuel Filter - Premium Replacement Fits Dodge Ram 2500, Ram 3500, Ram 4500, Ram 5500 COMPATIBILITY with 2007-2009 Dodge Ram 2500, 2007-2009 Dodge Ram 3500, 2008-2009 Dodge Ram 4500, 2008-2009 Dodge Ram 5500. HIGHLY EFFICIENT FILTERING AND WATER SEPARATION to meet modern diesels engine demands for optimum fuel flow that is free of contaminants and water. PROTECT YOUR ENGINE against damage by keeping particles away from the fuel injector or carburetor. IMPROVE ENGINE PERFORMANCE with ECOGARD Diesel Filters. A clogged or dirty diesel fuel filter can result in difficulty starting, hesitation upon accelerating, decreased fuel economy, and rough idling. PRECISE INLET/OUTLET CONNECTIONS for trouble-free installation. SPECIFICALLY ENGINEERED AND TESTED for original equipment diesel filters fit, form, and function. Meets the requirements for maintaining new vehicle warranties. Replaces: FRAM CS10726 Purolator F66159 WIX 33733 OE 68061634 AA.