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

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

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

Left + Right Fuel Injector Return Lines Set for 2004-2010 Duramax 6.6L LLY LBZ

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

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