FAG SS3699 Wheel Seal - Rear Inner

Wheel Seal for Rear Inner Applications

The FAG SS3699 wheel seal is built for rear inner wheel-end service where contamination control and grease retention matter. It is a metal and spring seal with nitrile sealing material, sized for precise fitment in select Chevrolet, GMC, and Isuzu applications.

Compatible With rear inner wheel-end service on 1972-1995 Chevrolet, GMC, and Isuzu models listed below, including Chevrolet LUV, S10, and Blazer, plus GMC Jimmy and S15. The FAG SS3699 is also referenced by cross numbers used for the same application.

Key Features

• Part number: SS3699
• Wheel seal for rear inner position
• Seal type: metal; spring
• Sealing material: nitrile
• Bore diameter: 2.165 in. / 54.991 mm
• Seal outside diameter: 2.172 in. / 55.169 mm
• Seal width: 1.339 in. / 34.011 mm
• Engineered to help keep dirt, dust, and moisture out of the wheel end
• Helps retain grease at the bearing over time

Detailed Description

FAG SS3699 is a rear inner wheel seal designed to meet vehicle-specific requirements for select light trucks and SUVs. Its metal-and-spring construction with nitrile sealing material is intended for demanding wheel-end environments where sealing accuracy and durability are important. This part number is commonly associated with Chevrolet LUV, Chevrolet S10, Chevrolet Blazer, GMC Jimmy, GMC S15, and Isuzu Pickup and Amigo applications listed in the fitment data.

This part cross-references BBB Industries 13445 for the same application. FAG SS3699 is also referenced against 473812 and 4133699100 in interchange data.

What It Helps Address

• Grease loss at the wheel bearing
• Contamination from dirt, dust, and road moisture
• Premature wear in rear inner wheel-end components
• Seal leakage caused by worn or incorrect wheel seals
• Service issues on rear axle bearing assemblies

Installation Notes and Tips

• Verify the rear inner position before ordering; this seal is not listed for other wheel-end locations.
• Confirm bore diameter, outside diameter, and width against the original seal and hub dimensions.
• Inspect the bearing, hub, and sealing surface for wear or scoring before installation.
• Clean the sealing area thoroughly so the nitrile lip can seat correctly.
• Use the vehicle application data to confirm the correct year, make, and model match.

Quality Assurance

FAG designs wheel seals using high-quality materials and application-specific specifications to meet manufacturer requirements. The SS3699 is built to support reliable wheel-end sealing in the listed Chevrolet, GMC, and Isuzu rear inner applications.