Diesel Injector Fuel Return Hose line Kit for Duramax 6.6L LLY LBZ LMM 2004-2010

Diesel Fuel Injector Return Line Left + Right Set for Duramax 6.6L LLY LBZ LMM

Diesel Injector Fuel Return Hose Line Kit for Duramax 6.6L LLY LBZ LMM 04-10

NEW Diesel Injector Fuel Return Hose Line Kit for Duramax 6.6L LLY LBZ LMM

Chevy GMC Duramax 6.6L Injector Return Line Kit LLY, LBZ, LMM - DT

Upgraded NEW Diesel Fuel Injector Return Line for Duramax LLY LBZ LMM 6.6L

LH & RH Diesel Fuel Injector Return Hose Kit for Duramax 6.6L LLY LBZ LMM 04-10

NEW Diesel Fuel Injector Return Line for Duramax 6.6L LLY LBZ LMM 2004-2010