Dorman 951-866 Wheel Bearing and Hub Assembly - Front

Dorman 951-866 Front Wheel Hub Assembly

Dorman 951-866 is a replacement wheel bearing and hub assembly for specific front applications, including Chevrolet S10, Chevrolet S10 Blazer, GMC Sonoma, GMC S15 Jimmy, GMC S15, Buick Riviera, Cadillac Eldorado, Cadillac Seville, and Oldsmobile Toronado. It combines the hub and critical bearing replacement components into one repair-focused assembly for vehicles that need front hub service.

• Front wheel bearing and hub assembly for select 1982-1993 applications
• 27-spline hub design
• 5 wheel studs with 12 mm wheel stud size
• Triangular flange shape with 3 flange bolt holes
• Wheel pilot diameter: 70.14 mm
• Brake pilot diameter: 70.63 mm
• Hub pilot diameter: 92 mm
• Bolt circle diameter: 120.65 mm
• Flange diameter: 144.5 mm
• Flange offset: 47.2 mm
• ABS not included

Vehicle Fitment

• Fits 1983-1993 Chevrolet S10, front
• Fits 1983-1993 Chevrolet S10 Blazer, front
• Fits 1991-1993 GMC Sonoma, front
• Fits 1983-1991 GMC S15 Jimmy, front
• Fits 1983-1990 GMC S15, front
• Fits 1982-1985 Buick Riviera, front
• Fits 1982-1985 Cadillac Eldorado, front
• Fits 1982-1985 Cadillac Seville, front
• Fits 1982-1985 Oldsmobile Toronado, front

What This Hub Assembly Helps Address

• Front wheel bearing noise or rough rotation
• Hub play that can affect wheel stability
• Worn or damaged wheel studs on the hub assembly
• Improper wheel mounting surface condition
• Service needs on front driveline and axle hub components

Installation Notes

Verify front axle and hub specifications before installation, including spline count, bolt circle diameter, flange dimensions, and pilot diameters. This part cross-references MOOG Hub Assemblies 513013 for the same application. Confirm ABS requirements before ordering, since this assembly does not include an ABS sensor and is listed for non-ABS use.

Quality Assurance

Dorman replacement hub assemblies are built for direct-fit service on specific vehicle applications and are supplied with the hub and critical bearing replacement components needed for a complete front repair. Part number 951-866 is intended for application-specific replacement where the original hub assembly has worn or failed.