FAG WR0131 Wheel Bearing Retaining Ring - Front or Rear

Wheel Bearing Retaining Ring for Driveline Service

The FAG WR0131 wheel bearing retaining ring is a precision hardware component used to secure the wheel bearing assembly during service. With an 85.5 mm inside diameter, 5.64 mm outside diameter, and 2.49 mm width, it is sized for specific front and rear applications across Mazda, Ford, Lincoln, Jaguar, Mercury, and Kia vehicles.

FAG supplies chassis and driveline service parts with the components needed for professional repair, and the WR0131 follows that approach with a fit-focused retaining ring design for wheel bearing retention.

Key Features

• Part number WR0131 wheel bearing retaining ring
• Inside diameter: 85.5 mm (3.366 in.)
• Outside diameter: 5.64 mm (0.222 in.)
• Width: 2.49 mm (0.098 in.)
• Used in front and rear wheel bearing applications
• Direct fit coverage for select Mazda 3, Mazda 6, Mazda MX-5 Miata, Ford Fusion, Lincoln MKZ, and Jaguar models
• Cross-references SKF CIR166 and Timken RET166 for the same application

Detailed Description

FAG WR0131 is a wheel bearing retaining ring built for vehicles that require a correctly sized retaining clip to hold the bearing assembly in place. This part number is used across a wide range of applications, including 2005-2013 Mazda 3 front w/ ABS, 2003-2008 Mazda 6 front, 2006-2012 Mazda MX-5 Miata front, 2008-2014 Ford Fusion rear, and 2007-2012 Lincoln MKZ front. It also covers select Jaguar, Mercury, and Kia applications where precise bearing retention is critical.

For buyers searching for a wheel bearing retaining ring for Mazda 3 front w/ ABS, Ford Fusion rear wheel bearing service, or a FAG WR0131 replacement for Lincoln MKZ front applications, this part provides the dimensional match needed for proper assembly. The WR0131 is also referenced by SKF CIR166 and Timken RET166.

What This Part Helps Address

• Loose or missing wheel bearing retaining hardware
• Improper bearing seating during hub or knuckle service
• Noise caused by compromised bearing retention
• Repeat repairs from using the wrong ring size
• Fitment issues on front or rear wheel bearing assemblies

Installation Notes and Tips

Verify the bearing bore and ring dimensions before installation, especially on vehicles with ABS-related front applications such as the Mazda 3. Clean the groove and surrounding surfaces thoroughly so the retaining ring seats fully and evenly. Confirm the correct position, since this part is used in both front and rear applications depending on vehicle platform. Always match the replacement ring to the original part number and dimensions before reassembly.

Quality Assurance

FAG supports chassis repair with application-specific components for professional service, including retaining clips, ABS cables, and bolts. The WR0131 is built as a fitment-focused replacement for the listed vehicle applications and is identified by established cross-reference numbers for parts matching.