Duramax LLY LBZ LMM Fuel Injector Return line AND Installation / Seal Kit 04-10

NOT for use in LB7 applications. The DT660023 kit can be used in place of GM kits 97328733 and 98062291. The GM kits are specific to either the right or left side of the engine while the DT660023 kit can be used with the injectors on either side.