OER Series New Fuel Rail Assembly (Passenger Side) 2011-2016 GM 6.6L Duramax LML/LGH XDP Xtreme Diesel Performance your valves can be pushed

your valves can be pushed open by boost and drive pressure causing reversion

Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship

studs from other brands

A new actuator unit is included

Supply Hose Assembly with Ball Valve

OER Series New Fuel Rail Assembly (Passenger Side) 2011-2016 GM 6.6L Duramax LML/LGH XDP Xtreme Diesel Performance your valves can be pushedReplace the contaminated fuel system in your 2011 2016 GM 6. 6L Duramax LML LGH with the XDP OER Series New Fuel Rail Assembly (Passenger Side) XD606. If you have experienced CP4 pump failure, there is a good chance debris and contamination has circulated throughout the fuel system. It is typically recommended that you replace the entire fuel system including the fuel rails to help remove all debris and prevent any recontamination to the new fuel