OER Series New Fuel Rail Assembly (Driver Side) 2011-2016 GM 6.6L Duramax LML/LGH XDP Xtreme Diesel Performance wiring harness Fits the contours of your

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OER Series New Fuel Rail Assembly (Driver Side) 2011-2016 GM 6.6L Duramax LML/LGH XDP Xtreme Diesel Performance wiring harness Fits the contours of yourXDP Model XD605 The XDP OER Series New Fuel Rail Assembly (Driver Side) XD605 is ideal when replacing contaminated fuel system components in your 2011 2016 GM 6. 6L Duramax LML LGH. If you have experienced CP4 fuel pump failure, metal shavings and contamination have most likely circulated throughout the fuel system in your Chevy GMC. In the event of a failed CP4, it is recommended that you replace the entire fuel system, including the fuel rails, to