XDP OER Series Fuel Return Line Assembly 2011-2016 GM 6.6L Duramax LML/LGH Work Lights They wont curl

They wont curl

Wehrli Model WCF100732

Proper caster is crucial to maintaining factory handling and driveability

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XDP OER Series Fuel Return Line Assembly 2011-2016 GM 6.6L Duramax LML/LGH Work Lights They wont curlXDP Model XD607 Restore the fuel system in your 2011 2016 GM 6. 6L Duramax LML LGH with the OER Series Fuel Return Line Assembly XD607. If you have dealt with a CP4 pump failure, debris and contamination have most likely worked their way throughout your fuel system. When these metal shavings and other contaminants gets in the return line it can block the regulator and prevents adequate return fuel pressure. In the event of a failed CP4, it is