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SKF 31870 Wheel Seal - Rear

Brand	SKF 31870
Position	Rear
Fits	Chevrolet and GMC · 185 vehicles

Wheel seal. Keeps lubricants in and contaminants out.

Nitrile sealing surface. Uses a durable material for reliable sealing performance.

Premium materials. Built to specific designs for the application and environment.

Cross-references 16899W, 1705553 and 15589475 for the same application. See all 4.

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SKF Rear Wheel Seal 31870

SKF 31870 is a rear wheel seal built for driveline and axle service where accurate sealing dimensions matter. With a nitrile sealing surface and OE-style sizing, it is specified for rear applications on Chevrolet and GMC trucks, vans, and SUVs that use an 11.50" ring gear.

Key Features

Rear wheel seal for driveline and axle sealing service
Nitrile sealing surface type for dependable contact at the sealing lip
Width: 0.438 in.
Outside diameter: 4.631 in.
Shaft diameter: 3.188 in.
SKF part number 31870 for direct identification

Product Details

SKF has a long history in seal engineering, including early integrated shaft seal development and continued refinement of bonding methods and material selection. The 31870 wheel seal is manufactured to specific design requirements using premium materials so the seal matches the demands of the application and operating environment. For rear axle service on Chevrolet C2500, Chevrolet K2500, GMC C2500, and GMC K2500 platforms, this seal supports proper lubricant retention and contamination control. This part cross-references 16899W and 1705553 for the same application.

What It Helps Address

Rear axle lubricant leakage at the wheel seal area
Contamination entering the axle housing through a worn seal
Seal wear from age, heat, and road exposure
Service issues on 11.50" ring gear rear axle applications
Replacement needs on Chevrolet and GMC rear driveline repairs

Installation Notes and Tips

Verify axle dimensions before installation, including the 3.188 in. shaft diameter, 4.631 in. outside diameter, and 0.438 in. width. Confirm rear position and ring gear configuration, since listed applications include 11.50" ring gear vehicles and specific notes such as axle differential bearing and 4-wheel disc brake setups. Clean the sealing surface thoroughly and inspect the axle shaft and housing for wear before installing SKF 31870.

Quality Assurance

SKF designs and manufactures seals to high quality standards with an emphasis on long service life and safety. The brand’s seal engineering background and material control support consistent performance in rear axle applications.

This part fits 185 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
2000	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
2000	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
2000	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
2000	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
2000	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
2000	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
2000	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
2000	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	C1500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	C1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	C2500	Rear	11.50" Ring Gear - Axle Differential Bearing
1999	Chevrolet	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	K1500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	K1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1999	Chevrolet	Tahoe	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	C1500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	C1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	K1500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	K1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1999	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	C1500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	C1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	C2500	Rear	11.50" Ring Gear - Axle Differential Bearing
1998	Chevrolet	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	K1500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	K1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1998	Chevrolet	Tahoe	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	C1500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	C1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	K1500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	K1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1998	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	C1500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	C1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	C2500	Rear	11.50" Ring Gear - Axle Differential Bearing
1997	Chevrolet	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	K1500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	K1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1997	Chevrolet	Tahoe	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	C1500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	C1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	K1500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	K1500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1997	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1996	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1996	Chevrolet	C2500	Rear	11.50" Ring Gear - Axle Differential Bearing
1996	Chevrolet	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1996	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1996	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1996	Chevrolet	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1996	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1996	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1996	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1996	GMC	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1996	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1996	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1996	GMC	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1996	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	Chevrolet	C2500	Rear	11.50" Ring Gear - Axle Differential Bearing
1995	Chevrolet	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1995	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	Chevrolet	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1995	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1995	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	GMC	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1995	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	GMC	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1995	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1995	GMC	P3500	Rear	4 Whl. Disc Brks.
1994	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1994	Chevrolet	C2500	Rear	11.50" Ring Gear - Axle Differential Bearing
1994	Chevrolet	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1994	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1994	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1994	Chevrolet	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1994	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1994	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1994	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1994	GMC	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1994	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1994	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1994	GMC	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1994	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1994	GMC	P3500	Rear	4 Whl. Disc Brks.
1993	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1993	Chevrolet	C2500	Rear	11.50" Ring Gear - Axle Differential Bearing
1993	Chevrolet	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1993	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1993	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1993	Chevrolet	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1993	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1993	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1993	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1993	GMC	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1993	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1993	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1993	GMC	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1993	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1993	GMC	P3500	Rear	4 Whl. Disc Brks.
1992	Chevrolet	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1992	Chevrolet	C2500	Rear	11.50" Ring Gear - Axle Differential Bearing
1992	Chevrolet	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1992	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1992	Chevrolet	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1992	Chevrolet	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1992	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1992	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1992	GMC	C2500	Rear	Fits vehicles with 11.50" Ring Gear.
1992	GMC	C2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1992	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1992	GMC	K2500	Rear	Fits vehicles with 11.50" Ring Gear.
1992	GMC	K2500 Suburban	Rear	Fits vehicles with 11.50" Ring Gear.
1992	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1992	GMC	P3500	Rear	4 Whl. Disc Brks.
1991	Chevrolet	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1991	Chevrolet	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1991	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1991	GMC	C3500	Rear	Fits vehicles with 11.50" Ring Gear.
1991	GMC	K3500	Rear	Fits vehicles with 11.50" Ring Gear.
1991	GMC	P3500	Rear	4 Whl. Disc Brks.
1990	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1990	GMC	P3500	Rear	4 Whl. Disc Brks.
1989	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1989	GMC	P3500	Rear	4 Whl. Disc Brks.
1988	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1988	GMC	P3500	Rear	4 Whl. Disc Brks.
1987	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1987	GMC	P3500	Rear	4 Whl. Disc Brks.
1986	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1986	GMC	P3500	Rear	4 Whl. Disc Brks.
1985	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1985	GMC	P3500	Rear	4 Whl. Disc Brks.
1984	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1984	GMC	P3500	Rear	4 Whl. Disc Brks.
1983	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1983	GMC	P3500	Rear	4 Whl. Disc Brks.
1982	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1982	GMC	P3500	Rear	4 Whl. Disc Brks.
1981	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1981	GMC	P3500	Rear	4 Whl. Disc Brks.
1980	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1980	GMC	P3500	Rear	4 Whl. Disc Brks.
1979	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1979	GMC	P3500	Rear	4 Whl. Disc Brks.
1978	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1977	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1976	Chevrolet	P30	Rear	4 Whl. Disc Brks.
1975	Chevrolet	P30	Rear	4 Whl. Disc Brks.
No rows match your filter.

Directly replaces or cross-references 4 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

16899W170555315589475145831870

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