HomeBrake > Disc Pads and Brake ShoesR1 Concepts 2551-2231-00 Disc Brake Pad Set - Rear
Part #: 2551-2231-00

R1 Concepts 2551-2231-00 Disc Brake Pad Set - Rear

R1 Optimum Oe Pads, Rear
15 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
R1 Optimum Oe Pads, Rear
Fitment: Ford and Lincoln, Aviator, Explorer, and Mustang
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Rear Disc Brake Pads for Ford, Lincoln

R1 Concepts R1 Optimum OE Pads part number 2551-2231-00 are rear disc brake pads for select Ford and Lincoln performance-brake applications. This pad set is listed for the rear axle on the Ford Explorer, Ford Mustang, and Lincoln Aviator, with fitment tied to specific brake package configurations.

Key Features

  • Rear disc brake pad set for select performance brake applications
  • R1 Optimum OE Pads product line from R1 Concepts
  • Application-specific fitment for Ford Explorer, Ford Mustang, and Lincoln Aviator
  • Part number 2551-2231-00 for accurate catalog matching
  • Built for rear brake service on vehicles with listed factory brake packages

Fitment Details

  • Fits 2025-2026 Ford Explorer, rear, Performance Brakes, 363mm Front Disc; R1 Optimum OE Pads
  • Fits 2024-2025 Ford Mustang, rear, 352mm Front, 350mm Rear Disc; R1 Optimum OE Pads
  • Fits 2020-2025 Lincoln Aviator, rear, R1 Optimum OE Pads
  • Fits 2024 Ford Explorer, rear, Track Pack High-Performance Brakes, 363mm Front Disc; R1 Optimum OE Pads
  • Fits 2020-2023 Ford Explorer, rear, R1 Optimum OE Pads

What This Part Helps Address

  • Rear brake pad wear on listed Ford Explorer, Ford Mustang, and Lincoln Aviator models
  • Squealing or noise from worn rear pads
  • Reduced braking response from depleted friction material
  • Brake service needs on vehicles with performance brake packages
  • Uneven rear braking performance caused by aged pads

Installation Notes

Verify rear axle fitment against the brake package listed for your vehicle before ordering. Confirm the part number 2551-2231-00 and match the vehicle’s front and rear disc brake configuration, especially on Ford Explorer and Ford Mustang models with performance or track-pack brakes. Professional brake service procedures should be followed during installation.

Quality Assurance

R1 Concepts R1 Optimum OE Pads are cataloged as an OE-style brake pad line for direct application matching on the listed vehicles. Use the fitment notes to confirm the correct rear application before installation.

This part fits 15 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2026FordExplorerST-LineRearPerformance Brakes, 363mm Front Disc; R1 Optimum Oe Pads
2025FordExplorerST-LineRearPerformance Brakes, 363mm Front Disc; R1 Optimum Oe Pads
2025FordMustangGT PremiumRear352mm Front, 350mm Rear Disc; R1 Optimum Oe Pads
2025LincolnAviatorRearR1 Optimum Oe Pads
2024FordExplorerSTRearTrack Pack High-Performance Brakes, 363mm Front Disc; R1 Optimum Oe Pads
2024FordMustangGT PremiumRear352mm Front, 350mm Rear Disc; R1 Optimum Oe Pads
2024LincolnAviatorRearR1 Optimum Oe Pads
2023FordExplorerLimited HybridRearR1 Optimum Oe Pads
2023LincolnAviatorRearR1 Optimum Oe Pads
2022FordExplorerLimited HybridRearR1 Optimum Oe Pads
2022LincolnAviatorRearR1 Optimum Oe Pads
2021FordExplorerLimited HybridRearR1 Optimum Oe Pads
2021LincolnAviatorRearR1 Optimum Oe Pads
2020FordExplorerLimited HybridRearR1 Optimum Oe Pads
2020LincolnAviatorRearR1 Optimum Oe Pads

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.