SKF 21294 Wheel Seal Kit - Front

SKF 21294 Wheel Seal Kit for Front Axles

SKF 21294 is a front wheel seal kit built for heavy-duty Chevrolet and GMC applications that need reliable sealing at the wheel end. With a nitrile sealing surface and precise dimensions, it is designed to help keep lubricant contained and road contaminants out in demanding driveline service.

• Brand: SKF
• Part number: 21294
• Wheel seal kit for front axle service
• Nitrile sealing surface type
• Width: 0.235 in.
• Outside diameter: 3.063 in.
• Shaft diameter: 2.125 in.
• Cross-reference: 15578129, 145821294

Fitment and Application Details

Compatible with front wheel-end service on select Chevrolet and GMC medium-duty and heavy-duty platforms. Fits 1991-2000 Chevrolet C3500, front, with 12,500-15,000 lb. Gross Vehicle Weight and 183" wheelbase. Fits 1991-2000 GMC C3500, front, with 12,500-15,000 lb. Gross Vehicle Weight and 183" wheelbase. Fits 1990-1999 Chevrolet C35, front, with 12,500-15,000 lb. Gross Vehicle Weight and 183" wheelbase. Fits 1975-1999 Chevrolet P30, front, FS3 I-Beam Suspension Option. Fits 1979-1999 GMC P3500, front, FS3 I-Beam Suspension Option.

What This Seal Kit Helps Address

• Wheel-end lubricant leakage
• Contamination from dirt, water, and road debris
• Seal wear from age and mileage
• Front axle service on Chevrolet C3500 and GMC C3500 trucks
• Front wheel-end maintenance on Chevrolet P30 and GMC P3500 chassis applications

Installation Notes and Tips

Verify shaft diameter, outside diameter, and width before installation to confirm the seal matches the hub or spindle dimensions. Clean the sealing surfaces thoroughly and inspect the wheel-end components for wear, scoring, or contamination before assembly. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

SKF has a long history in seal engineering, with designs and bonding methods developed for demanding automotive and industrial environments. SKF 21294 is manufactured to support consistent sealing performance and long service life in front wheel-end applications.