FAG WB66771K Wheel Bearing Kit - Rear

FAG WB66771K Wheel Bearing Kit for Mercedes-Benz Rear Service

The FAG WB66771K wheel bearing kit is built for rear wheel bearing service on select Mercedes-Benz models from the early 1990s through the late 1990s. It is packaged as a complete repair kit with the bearing and the related service parts needed for a professional rear hub repair.

• Kit contents: 9 bolts, 3 wheel bearings, 3 nuts, and 1 retaining ring
• Rear wheel bearing service kit for select Mercedes-Benz S-Class applications
• Engineered with matched fastening components for the bearing application
• Cross-reference part numbers: 7136677100, WKH34
• Part number: WB66771K

Detailed Product Information

FAG WB66771K is a wheel bearing kit for rear service on Mercedes-Benz S420, S600, 400SEL, 500SEL, 400SE, 600SEL, and 560SEL applications. The kit is organized to support a complete repair approach, with the wheel bearings and associated hardware supplied together for the specified vehicle application. This part number, WB66771K, is listed for rear fitment across 1991-1998 Mercedes-Benz S-Class models, including DOHC 32-valve variants noted in the fitment data.

Compatible With 1994-1998 Mercedes-Benz S420, rear; 1994-1998 Mercedes-Benz S600, rear; 1994-1995 Mercedes-Benz S420, rear; 1993 Mercedes-Benz 400SEL, rear; 1992-1993 Mercedes-Benz 500SEL, rear; 1992 Mercedes-Benz 400SE, rear; 1992 Mercedes-Benz 600SEL, rear; and 1991 Mercedes-Benz 560SEL, rear. The FAG WB66771K is a direct service solution for rear wheel bearing replacement on these Mercedes-Benz models.

Common Repair Uses

• Rear wheel bearing noise on Mercedes-Benz S-Class vehicles
• Excessive wheel play or looseness at the rear hub
• Rough or noisy bearing operation during driving
• Service replacement after bearing wear or contamination
• Rear hub maintenance on select Mercedes-Benz S420 and S600 models

Installation Notes and Tips

Confirm rear axle fitment against the vehicle’s model year and engine configuration before installation. Clean the hub and surrounding mounting surfaces thoroughly, and inspect the bearing seat, retaining ring area, and fasteners for wear or damage before assembly. Follow the vehicle service procedure and torque specifications for the rear bearing service.

Quality Assurance

FAG packages the bearing with the related service components required for the listed repair application, and the fastening pieces are matched to the bearing and vehicle fitment. This supports a more precise rear wheel bearing service on the specified Mercedes-Benz applications.