Crankshaft Seal Retainer 20-22 Ford 7.3L

The Crankshaft Seal Retainer 20-22 Ford 7.3L is a critical OEM-specification component engineered to contain and stabilize the rear main seal on Ford's modern Godzilla engine platform. Diesel and gasoline engine builders recognize this retainer as essential maintenance and rebuild work—whether you're restoring factory durability after high-mileage service or assembling a modified long-block. This MAHLE ORIGINAL/CLEVITE piece prevents oil seepage at the crankshaft's rear journal, protecting your investment in a fresh engine or addressing leaks that compromise oil pressure and contaminate the bellhousing.

Manufactured to OEM tolerances by MAHLE ORIGINAL/CLEVITE—names synonymous with precision seal engineering across the automotive industry—this retainer gasket is rubber-bonded and precisely dimensioned to fit the rear crankshaft mounting surface. The compact form factor (4.8 x 1.05 x 8.25 inches, weighing just 0.035 lbs) integrates seamlessly with the main seal assembly, maintaining proper contact pressure and preventing circumferential leakage around the rotating shaft. The rubber composition resists thermal cycling and oil saturation, critical for sustained performance in both stock and modified engine bays where coolant and fuel temperatures run elevated.

Serious Ford 7.3L owners—from daily-driver truck operators to full-engine-out rebuilds—depend on this retainer to eliminate costly oil leaks and maintain crankcase ventilation integrity. Installation pairs directly with OEM rear main seal kits and requires only basic engine-bay familiarity; professional shops specify it for every 20–22 model year Ford featuring the 7.3L Godzilla engine. Whether addressing warranty concerns, performing scheduled maintenance, or fortifying a long-block assembly, this MAHLE ORIGINAL/CLEVITE retainer guarantees fitment and performance that meets Ford's exacting standards.