Timken KWK99186 Engine Crankshaft Repair Sleeve - Front

Timken KWK99186 Crankshaft Repair Sleeve

Timken KWK99186 is a Kwik-Sleeve engine crankshaft repair sleeve for seal-worn shafts. It provides a practical way to restore a sealing surface without machining, making it a direct solution for front shaft sealing issues on select Buick, Pontiac, and Oldsmobile applications.

Key Features

• Precision-engineered stainless steel sleeve with a hard-chromed surface for extended service life
• Thin-wall design preserves seal size and supports lip-seal applications
• No expensive shaft preparation or machining required before installation
• Includes a removable installation flange and installation tool to help reduce sleeve distortion
• Fits front-position applications across manual transmission output shafts and differential pinions

Application Details

Timken KWK99186 is used to refinish a worn sealing surface on a shaft where the original lip seal has cut or polished the metal. This Timken Kwik-Sleeve is a practical repair option for front shaft sealing on vehicles such as Pontiac GTO, Pontiac Firebird, and Buick Century, as well as other listed Buick, Pontiac, and Oldsmobile models. The part number KWK99186 is commonly searched for front crankshaft repair sleeve applications and seal surface restoration.

• Fits 1979-1981 Buick Century, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1980-1981 Buick Regal, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1968-1981 Pontiac Bonneville, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1959-1966 Pontiac Bonneville, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1977-1981 Pontiac Catalina, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1974 Pontiac Catalina, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1968-1971 Pontiac Catalina, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1968-1981 Pontiac Firebird, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1979-1981 Pontiac Grand LeMans, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1975-1977 Pontiac Grand LeMans, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1968-1981 Pontiac Grand Prix, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1963-1966 Pontiac Grand Prix, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1980-1981 Pontiac LeMans, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1976-1977 Pontiac LeMans, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1963-1974 Pontiac LeMans, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1981 Pontiac Parisienne, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1977-1980 Buick LeSabre, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1975 Buick LeSabre, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1978-1980 Pontiac Grand Am, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1973-1975 Pontiac Grand Am, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1979 Oldsmobile Delta 88, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1977 Buick Skylark, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1964-1973 Pontiac GTO, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1965-1966 Pontiac Tempest, front. Compatible with manual transmission output shafts and differential pinions.
• Fits 1963 Pontiac Tempest, front. Compatible with manual transmission output shafts and differential pinions.

Common Repair Uses

• Restores a worn seal surface on a shaft with groove wear
• Addresses oil leakage at the front shaft seal area
• Helps correct seal failure caused by surface scoring or polishing
• Provides a repair path when machining the shaft is not practical
• Supports sealing repairs on manual transmission output shafts and differential pinions

Installation Notes

Clean the shaft thoroughly before installation and inspect the sealing area for damage that could affect sleeve seating. Use the supplied installation tool and removable flange to position the sleeve evenly and reduce the chance of distortion during mounting. Confirm the seal contacts the new sleeve surface correctly before returning the vehicle to service.

Quality Assurance

Timken manufactures the KWK99186 Kwik-Sleeve as a stainless steel, hard-chromed repair component for sealing applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.