2003-2004.5 fuel filter adapter used when relocating lift pump to the frame rail. Adapter is cross drilled and tapped to 1/4" NPT. Bottom port is used for connection to fuel supply. Top port can be used for pre-filter fuel pressure sender installation or install one of our liquid filled Wica gauges to monitor filter restrictions.
Installation requires one Cummins O-ring p/n 3010937, one 1/4" fitting for bottom fuel line connection and one 1/4" top plug if not using our optional pre-filter Wica gauge
All necessary installation items are available in our store.