SKF 88077A Wheel Bearing O-Ring

SKF 88077A Wheel Bearing O-Ring for Toyota Driveline Sealing

SKF 88077A is a wheel bearing O-ring built for driveline and axle sealing applications where the correct seal dimensions matter. With an outside diameter of 3.740 inches, a shaft diameter of 3.622 inches, and a width of 0.118 inch, this seal is sized to help maintain a proper fit in the bearing assembly.

Compatible with select Toyota Tundra, Tacoma, and 4Runner applications, this SKF wheel bearing O-ring supports clean, reliable sealing in service environments that face heat, moisture, and road contamination.

Key Features

• Part number: 88077A
• Wheel bearing O-ring for driveline and axle sealing systems
• Outside diameter: 3.740 in.
• Shaft diameter: 3.622 in.
• Width: 0.118 in.
• Designed for select Toyota Tundra, Tacoma, and 4Runner fitments
• SKF sealing design and material expertise for automotive service use

Detailed Description

SKF 88077A is a precision wheel bearing O-ring used in sealing systems where dimensional accuracy is critical. SKF has a long history in seal engineering, including early integrated shaft seal development, and continues to produce seals with application-specific materials and designs. This part number 88077A is intended for vehicles that require the listed dimensions and OE-style sealing performance.

Fits 2000-2006 Toyota Tundra, N/A. Fits 2001-2004 Toyota Tacoma, N/A. Fits 2001-2002 Toyota 4Runner, N/A. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Helps Address

• Oil or lubricant seepage at the wheel bearing seal area
• Contamination entering the bearing assembly
• Improper sealing caused by worn or damaged O-rings
• Noise or wear related to compromised bearing lubrication
• Service replacement needs on Toyota Tundra, Tacoma, and 4Runner driveline assemblies

Installation Notes and Tips

Verify the shaft diameter, outside diameter, and width before installation to confirm the seal matches the bearing assembly. Inspect the sealing surface for wear, corrosion, or debris, and clean the area thoroughly before fitting SKF 88077A. Use the vehicle service procedure for the specific Toyota application to ensure correct placement and sealing.

Quality Assurance

SKF manufactures seals to specific designs using premium materials and controlled production standards. The brand’s sealing expertise is backed by more than a century of automotive use, with a focus on keeping lubricants in and contaminants out.