Fuel Rail Plug Duramax 2500/3500 6.6L 2004.5-2010 / Dodge Cummins 2500/3500 6.7L 2007.5-2018

Common Rail Fuel Plugs replace failing pressure relief valves on Dodge Cummins and Chevy Duramax fuel systems. This Plug will take the place of stock Fuel Pressure Relief Valve (FPRV), and solve your low rail pressure codes, (P0087 and P1093). this Plug will not allow pressure to drop under wide-open throttle when pressure is most desired.