Rear Disc Brake Pads for Classic GM Applications

R1 Concepts 2551-0122-00 is a rear disc brake pad set for select 1976-1978 Cadillac and 1977-1978 Buick models. It is part of the R1 Optimum OE Pads line, built for drivers restoring or maintaining original-style braking performance on compatible rear disc brake setups.

Key Features

• Disc brake pad set for rear axle applications
• R1 Optimum OE Pads product line
• Fits select Buick, Cadillac rear disc brake vehicles
• Part number 2551-0122-00 for accurate ordering and lookup
• OE-style replacement format for classic GM brake service

Compatible Vehicle Fitment

• Fits 1977-1978 Buick LeSabre, rear; rear disc; R1 Optimum OE Pads
• Fits 1977-1978 Buick Riviera, rear; rear disc; R1 Optimum OE Pads
• Fits 1977-1978 Cadillac Commercial Chassis, rear; rear disc; R1 Optimum OE Pads
• Fits 1976-1978 Cadillac Eldorado, rear; R1 Optimum OE Pads
• Fits 1977-1978 Cadillac Fleetwood, rear; rear disc brakes; R1 Optimum OE Pads
• Fits 1977-1978 Cadillac Seville, rear; R1 Optimum OE Pads

Product Details

The R1 Optimum OE Pads line focuses on direct-fit brake service for vehicles that use factory-style disc brake hardware. For classic Buick LeSabre and Buick Riviera rear disc brake applications, as well as Cadillac Eldorado, Fleetwood, Seville, and Commercial Chassis models, 2551-0122-00 provides a straightforward replacement option for rear brake maintenance. This part number, 2551-0122-00, is useful when matching the correct pad set to the rear disc brake configuration on these vehicles.

Common Brake Issues Addressed

• Worn rear brake pads
• Brake noise from pad wear
• Reduced rear braking performance
• Uneven pad contact on rear disc brake systems
• Service replacement for aging OE-style brake components

Installation Notes

Verify rear disc brake fitment before ordering, since these pads are specific to listed Buick and Cadillac applications. Confirm the vehicle year, model, and rear brake configuration against the fitment list, and inspect rotors, calipers, and related brake components during service. Proper bedding-in after installation helps establish consistent pad-to-rotor contact.

Quality Assurance

R1 Concepts identifies this part as part of its R1 Optimum OE Pads line, an OE-style brake pad range for direct replacement applications. Use part number 2551-0122-00 to confirm the correct rear pad set for the listed classic GM vehicles.