Alliant AP0133 Fuel Injector Return Line Seal Kit

Use the Alliant AP0133 Fuel Injector Return Line Seal Kit when resealing the injectors in your 2017-2023 GM 6.6L Duramax L5P and 2019-2023 GM 6.6L Duramax L5D. Each bank has a rigid Fuel Return Line that must be removed to access the fuel injectors. This seal kit provides a cost saving alternative to replacing the entire fuel return line.