Detroit Diesel Rear Crankshaft Oil Seal - Used

Application: Heavy-duty diesel engine rear crankshaft (main) oil seal, steel-cased with a red silicone sealing lip. Sizing and style are consistent with Detroit Diesel Series 71/92 rear main seals and similar large-bore diesel applications. Condition: Used take-off, sealing lip intact with light handling marks; sold for reference, rebuild kit matching, or non-critical use. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.