The Ford Racing rear main seal retainer kit is specified for 2020+ 7.3L Super Duty gas engines and is intended for engine builds and rebuilds. It includes the rear main seal, retainer and retainer gasket to restore the crankshaft rear sealing surface. All supplied parts are new OE-style components to simplify installation during engine reassembly.
Ford Racing 7.3L Gas Rear Main Seal Retainer Kit