OE Quality
60-Day Returns

R1 Concepts 2551-2168-00 Disc Brake Pad Set - Rear
Rear Brake Pads for Encore and Trax
R1 Concepts R1 Optimum OE Pads part number 2551-2168-00 are rear disc brake pads for select 2018-2022 Buick Encore and Chevrolet Trax models. This OE-style pad set is built for direct rear brake service on the listed applications, with fitment coverage that matches the vehicle-specific rear axle setup.
Key Features
- Rear disc brake pad set for select Buick Encore and Chevrolet Trax applications
- R1 Optimum OE Pads product line for OE-style replacement service
- Part number 2551-2168-00 for accurate ordering and catalog matching
- Fits 2018-2022 Buick Encore, rear
- Fits 2018-2022 Chevrolet Trax, rear
Product Details
The R1 Optimum OE Pads line is positioned as an OE-replacement brake pad solution for everyday street use. For buyers searching for rear brake pads for 2018-2022 Buick Encore or rear disc brake pads for 2018-2022 Chevrolet Trax, 2551-2168-00 provides a direct-match option for the listed rear position. Use this part when servicing the rear brake system on the covered vehicles and when you need a catalog-specific replacement identified by part number 2551-2168-00.
Common Brake Issues Addressed
- Worn rear brake pads causing reduced stopping performance
- Squeal or noise from brake pad wear
- Uneven rear brake response during normal driving
- Brake service needed after pad material reaches wear limits
- Replacement of rear pads on a Buick Encore or Chevrolet Trax with the listed fitment
Installation Notes
Verify rear position fitment before installation and confirm the vehicle matches the listed year range and model. Inspect rotors, caliper condition, and pad contact surfaces during brake service, and follow the vehicle manufacturer’s service procedure for pad replacement and bedding.
Quality Assurance
R1 Concepts supplies the R1 Optimum OE Pads line as an OE-style brake replacement option for the specified applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
This part fits 10 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2022 | Buick | Encore | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads | |
| 2022 | Chevrolet | Trax | AWD | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads |
| 2021 | Buick | Encore | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads | |
| 2021 | Chevrolet | Trax | AWD | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads |
| 2020 | Buick | Encore | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads | |
| 2020 | Chevrolet | Trax | AWD | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads |
| 2019 | Buick | Encore | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads | |
| 2019 | Chevrolet | Trax | AWD | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads |
| 2018 | Buick | Encore | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads | |
| 2018 | Chevrolet | Trax | AWD | Rear | Upgraded Front Pads with Spreader Spring Tabs; R1 Optimum Oe Pads |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.