R1 Concepts Front Brake Pads for Select GM Vehicles

R1 Concepts R1 Optimum OE Pads disc brake pad set, part number 2551-2345-00, is a front brake pad replacement for select Buick, Cadillac, Chevrolet, and GMC applications. It is built for drivers searching for a direct-fit front brake pad set for vehicles such as the Chevrolet Malibu, Chevrolet Equinox, and GMC Terrain.

Key Features

• Front disc brake pad set for select 2020-2026 GM vehicles
• R1 Optimum OE Pads product line for OE-style brake service
• Fits 2024-2026 Buick Envista, front
• Fits 2020-2026 Cadillac CT4, front; sensor BPS-46006 (1) required
• Fits 2025-2026 Chevrolet Equinox, front; sensor BPS-47015 (1) required
• Fits 2024-2026 Chevrolet Trax, front
• Fits 2025-2026 GMC Terrain, front; sensor BPS-47015 (1) required
• Fits 2020-2025 Chevrolet Malibu, front
• Fits 2021-2024 Chevrolet Equinox, front
• Fits 2021-2024 GMC Terrain, front

Product Details

The R1 Optimum OE Pads line focuses on OE-style brake pad replacement for everyday street use. This 2551-2345-00 front disc brake pad set covers multiple GM platforms, including the Buick Envista, Cadillac CT4, Chevrolet Equinox, Chevrolet Trax, Chevrolet Malibu, and GMC Terrain. For shoppers comparing front brake pads for a Chevrolet Malibu or front brake pads for a GMC Terrain, this part number provides a fitment-specific option with application notes called out where sensors are required.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Reasons for Replacement

• Squealing or noisy front brakes
• Reduced stopping performance from worn pad material
• Brake dust buildup from aging pads
• Uneven pad wear during routine brake service
• Brake warning sensor service on applications that require a sensor

Installation Notes

Verify front axle fitment before ordering and confirm the vehicle year, make, and model against the listing. Cadillac CT4 applications require sensor BPS-46006 (1), and Chevrolet Equinox and GMC Terrain applications require sensor BPS-47015 (1). Inspect rotors, caliper condition, and pad hardware during brake service, and follow the vehicle manufacturer’s service procedure for bedding-in new pads.

Quality Assurance

R1 Concepts R1 Optimum OE Pads are positioned as OE-style replacement brake pads for the listed front applications. Part number 2551-2345-00 is cataloged for direct vehicle-specific fitment across the confirmed GM models shown above.