R1 Concepts Optimum OEp front brake pads spanning GM's mid-size crossover platform, from the Chevrolet Traverse and Blazer to Cadillac XT5, XT6 and LYRIQ, GMC Acadia, Buick Enclave and the shared-platform Honda Prologue and Acura ZDX. They deliver factory-matched friction with a consistent pedal feel, low noise and low dust, and the rotor-friendly compound extends pad and disc life. Install hardware is included for a plug-and-play fit.
Specifications
| Type | OE-replacement brake pads (R1 Optimum OEp) |
| Position | Front |
| Material | 100% asbestos-free friction |
| Included | 1 set (one axle) + install hardware |
| Part Number | 2551-2371-01 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2024 | Acura | ZDX | A-Spec |
| 2020-2024 | Buick | Enclave | Avenir |
| 2020-2024 | Buick | Enclave | Essence |
| 2020-2021 | Buick | Enclave | Preferred |
| 2020-2024 | Buick | Enclave | Premium |
| 2023-2026 | Cadillac | LYRIQ | Luxury |
| 2026 | Cadillac | LYRIQ | Premium Luxury |
| 2026 | Cadillac | LYRIQ | Premium Sport |
| 2026 | Cadillac | LYRIQ | Signature Luxury |
| 2026 | Cadillac | LYRIQ | Signature Sport |
| 2024-2026 | Cadillac | LYRIQ | Sport |
| 2024 | Cadillac | LYRIQ | Tech |
| 2026 | Cadillac | LYRIQ | V |
| 2026 | Cadillac | LYRIQ | V Premium |
| 2026 | Cadillac | OPTIQ | Luxury |
| 2025 | Cadillac | OPTIQ | Luxury 1 |
| 2025 | Cadillac | OPTIQ | Luxury 2 |
| 2026 | Cadillac | OPTIQ | Premium Luxury |
| 2026 | Cadillac | OPTIQ | Premium Sport |
| 2026 | Cadillac | OPTIQ | Sport |
| 2025 | Cadillac | OPTIQ | Sport 1 |
| 2025 | Cadillac | OPTIQ | Sport 2 |
| 2021-2025 | Cadillac | XT5 | Livery |
| 2021-2025 | Cadillac | XT5 | Luxury |
| 2021-2025 | Cadillac | XT5 | Premium Luxury |
| 2021-2025 | Cadillac | XT5 | Sport |
| 2021-2025 | Cadillac | XT6 | Luxury |
| 2021-2025 | Cadillac | XT6 | Premium Luxury |
| 2021-2025 | Cadillac | XT6 | Sport |
| 2021 | Chevrolet | Blazer | L |
| 2021-2025 | Chevrolet | Blazer | LT |
| 2021-2025 | Chevrolet | Blazer | Premier |
| 2021-2025 | Chevrolet | Blazer | RS |
| 2024-2026 | Chevrolet | Blazer EV | LT |
| 2024-2026 | Chevrolet | Blazer EV | RS |
| 2021-2022 | Chevrolet | Colorado | LT |
| 2021-2022 | Chevrolet | Colorado | WT |
| 2021-2022 | Chevrolet | Colorado | Z71 |
| 2021-2022 | Chevrolet | Colorado | ZR2 |
| 2024-2025 | Chevrolet | Equinox EV | LT |
| 2024-2025 | Chevrolet | Equinox EV | RS |
| 2024 | Chevrolet | Equinox EV | RS Launch Edition |
| 2020-2023,2025 | Chevrolet | Traverse | High Country |
| 2020-2021 | Chevrolet | Traverse | L |
| 2020-2024 | Chevrolet | Traverse | LS |
| 2020-2025 | Chevrolet | Traverse | LT |
| 2020-2023 | Chevrolet | Traverse | Premier |
| 2020-2025 | Chevrolet | Traverse | RS |
| 2024-2025 | Chevrolet | Traverse | Z71 |
| 2024 | Chevrolet | Traverse Limited | High Country |
| 2024 | Chevrolet | Traverse Limited | LS |
| 2024 | Chevrolet | Traverse Limited | LT |
| 2024 | Chevrolet | Traverse Limited | Premier |
| 2024 | Chevrolet | Traverse Limited | RS |
| 2021-2024 | GMC | Acadia | AT4 |
| 2021-2024 | GMC | Acadia | Denali |
| 2024 | GMC | Acadia | Elevation |
| 2021 | GMC | Acadia | SL |
| 2021-2023 | GMC | Acadia | SLE |
| 2021-2023 | GMC | Acadia | SLT |
| 2021-2022 | GMC | Canyon | AT4 |
| 2021-2022 | GMC | Canyon | Denali |
| 2021-2022 | GMC | Canyon | Elevation |
| 2021-2022 | GMC | Canyon | Elevation Standard |
| 2024-2026 | Honda | Prologue | Elite |
| 2024-2026 | Honda | Prologue | EX |
| 2024-2026 | Honda | Prologue | Touring |
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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