OER Series New Fuel Rail Assembly (Passenger Side) 2011-2016 GM 6.6L Duramax LML/LGH XDP Xtreme Diesel Performance Premium Fuel Injectors rubber hoses are known to

rubber hoses are known to wear over time and can start to get hard or brittle

Fits: 2001-2007 GM 6

Decrease Gear Hunting

All critical wear parts such as seals

2006-2010 Duramax

OER Series New Fuel Rail Assembly (Passenger Side) 2011-2016 GM 6.6L Duramax LML/LGH XDP Xtreme Diesel Performance Premium Fuel Injectors rubber hoses are known toReplace 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