OEM# 98065992, 97228933 Replacement: Direct aftermarket replacement for OEM fuel return line seal parts. Fuel Injector Return Line Seal Kit: Includes seals designed specifically for the injector return line to prevent leaks and maintain fuel system integrity. Fits 6.6L LB7 Engine: Designed for GM Duramax LB7 diesel engines (2001–2004 models). Metal and Copper Construction: Built to resist fuel pressure and ensure a reliable seal at injector connections. Includes 5 PCS: Complete kit with 5 return line seals for proper installation. Seal to the Maximum Gaskets from Bear the Sealer are built to last. We would make sure the products you choose have the same quality as the OE manufacturers or even better before handing out to you.