Duramax 6.6L LGH Fuel Contamination Kit 11-16 GM 6.6L Duramax LGH XD518 XDP Each alternator comes pre-tested and

Each alternator comes pre-tested and is ready for installation

By surpassing the manufacturers' current design specifications

and wire loom

The XD357 is pre-tested and ready for installation using the factory mounting locations

Duramax 6.6L LGH Fuel Contamination Kit 11-16 GM 6.6L Duramax LGH XD518 XDP Each alternator comes pre-tested andThe XDP Duramax 6. 6L LGH Fuel Contamination Kit XD518 includes the items you need to repair the fuel system in your 2011 2016 GM Duramax 6. 6L LGH after a CP4 injection pump failure. The factory CP4 pump is a known weak point and often fails in a catastrophic nature. As a result, debris from the CP4 failure typically contaminates the fuel injectors, fuel injector lines, fuel rails, and other fuel system plumbing. To repair the failed pump and