HomeBrake > Disc Pads and Brake ShoesR1 Concepts 2551-2406-00 Disc Brake Pad Set - Rear
Part #: 2551-2406-00

R1 Concepts 2551-2406-00 Disc Brake Pad Set - Rear

R1 Optimum Oe Pads, Rear
⚙️ 24 vehicles fit this part
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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: Chevrolet and GMC, Express 2500, Express 3500, Savana 2500, and Savana 3500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Rear Brake Pads for Express and Savana

R1 Concepts R1 Optimum OE Pads part number 2551-2406-00 are semi-metallic rear disc brake pads built for select Chevrolet Express and GMC Savana vans. With an integrally molded friction material attachment and OE-style sizing, this pad set is aimed at consistent rear braking performance for heavy-duty van applications.

Key Features

  • Semi-metallic friction material for dependable rear brake response
  • Integrally molded friction material attachment for stable pad construction
  • Pad quantity: 4
  • Outer pad height: 58.6 mm
  • Inner pad height: 58 mm
  • Outer and inner pad width: 205 mm
  • Outer and inner pad overall thickness: 19 mm
  • Fits rear brake positions on select Chevrolet Express 2500, Chevrolet Express 3500 SRW, GMC Savana 2500, and GMC Savana 3500 SRW models

Product Details

The R1 Optimum OE Pads line focuses on OE-style replacement brake pads for drivers who want a direct-fit service part with factory-matched dimensions and material selection. Part number 2551-2406-00 is specified for rear use on 2021-2026 Chevrolet Express 2500, 2021-2026 Chevrolet Express 3500 SRW, 2021-2026 GMC Savana 2500, and 2021-2026 GMC Savana 3500 SRW. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Rear brake pad wear on high-mileage cargo and passenger vans
  • Brake noise caused by worn friction material
  • Reduced stopping consistency from thin or glazed pads
  • Uneven rear braking feel during routine service intervals
  • OE replacement needs for Chevrolet Express and GMC Savana rear brake service

Installation Notes and Tips

Verify rear axle and trim details before ordering, especially on Chevrolet Express 3500 and GMC Savana 3500 SRW applications. Compare the existing pad shape, dimensions, and caliper setup to the listed measurements before installation. Always service brake pads in axle pairs and inspect rotors, caliper hardware, and brake fluid condition during replacement.

Quality Assurance

R1 Concepts manufactures this pad set as part of its R1 Optimum OE Pads line, using semi-metallic friction material and integrally molded construction for a consistent replacement fit. Confirm vehicle fitment against the listed year, make, model, and rear-position application before installation.

BrandR1 Concepts
Part Number2551-2406-00
PositionR1 Optimum Oe Pads, Rear
Friction Material CompositionSemi metallic
Friction Material AttachmentIntegrally molded
Pad Quantity4
Outer Pad Height58.6
Inner Pad Height58
Outer Pad Width205
Inner Pad Width205
Outer Pad Overall Thickness19
Inner Pad Overall Thickness19

This part fits 24 vehicles. Search below:

YearMakeModelPositionNotes
2026ChevroletExpress 2500RearR1 Optimum Oe Pads
2026ChevroletExpress 3500RearSRW; R1 Optimum Oe Pads
2026GMCSavana 2500RearR1 Optimum Oe Pads
2026GMCSavana 3500RearSRW; R1 Optimum Oe Pads
2025ChevroletExpress 2500RearR1 Optimum Oe Pads
2025ChevroletExpress 3500RearSRW; R1 Optimum Oe Pads
2025GMCSavana 2500RearR1 Optimum Oe Pads
2025GMCSavana 3500RearSRW; R1 Optimum Oe Pads
2024ChevroletExpress 2500RearR1 Optimum Oe Pads
2024ChevroletExpress 3500RearSRW; R1 Optimum Oe Pads
2024GMCSavana 2500RearR1 Optimum Oe Pads
2024GMCSavana 3500RearSRW; R1 Optimum Oe Pads
2023ChevroletExpress 2500RearR1 Optimum Oe Pads
2023ChevroletExpress 3500RearSRW; R1 Optimum Oe Pads
2023GMCSavana 2500RearR1 Optimum Oe Pads
2023GMCSavana 3500RearSRW; R1 Optimum Oe Pads
2022ChevroletExpress 2500RearR1 Optimum Oe Pads
2022ChevroletExpress 3500RearSRW; R1 Optimum Oe Pads
2022GMCSavana 2500RearR1 Optimum Oe Pads
2022GMCSavana 3500RearSRW; R1 Optimum Oe Pads
2021ChevroletExpress 2500RearR1 Optimum Oe Pads
2021ChevroletExpress 3500RearSRW; R1 Optimum Oe Pads
2021GMCSavana 2500RearR1 Optimum Oe Pads
2021GMCSavana 3500RearSRW; R1 Optimum Oe Pads

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