R1 Concepts 2551-1386-00 Disc Brake Pad Set - Rear

R1 Concepts Rear Brake Pads for Audi Applications

R1 Concepts R1 Optimum OE Pads part number 2551-1386-00 are rear disc brake pads for select Audi models from 2008-2017. This pad set is built for drivers replacing worn rear brake pads on Audi S5, S4, Q5, A4, A5, A4 allroad, A5 Quattro, SQ5, and allroad applications.

The R1 Optimum OE Pads line focuses on OE-style replacement fitment for everyday braking service. If you are searching for rear brake pads for Audi S5 or rear disc brake pad set 2551-1386-00 for Audi Q5 and A4-based platforms, this part matches the listed rear applications below.

• Rear disc brake pad set for select Audi vehicles
• R1 Concepts R1 Optimum OE Pads product line
• Part number 2551-1386-00
• Fits rear brake service applications across multiple Audi platforms
• Application-specific fitment for listed models and notes

Compatible Audi Fitment

• Fits 2008-2017 Audi S5, rear.
• Fits 2014-2017 Audi SQ5, rear, Full Cast Rotors.
• Fits 2016 Audi A4, rear, 225hp.
• Fits 2013-2016 Audi A4 allroad, rear.
• Fits 2012-2016 Audi A5, rear, ATE Front Calipers.
• Fits 2012-2016 Audi A5 Quattro, rear, ATE Front Calipers.
• Fits 2013-2016 Audi allroad, rear.
• Fits 2010-2016 Audi S4, rear.
• Fits 2009-2015 Audi A4, rear.
• Fits 2009-2014 Audi Q5, rear.
• Fits 2009-2011 Audi A4 Quattro, rear.
• Fits 2008-2011 Audi A5, rear.
• Fits 2008-2011 Audi A5 Quattro, rear.

What This Brake Pad Set Addresses

• Rear brake pad wear on Audi S5, S4, and Q5 models
• Squealing or noise from worn rear pads
• Reduced braking response from thin friction material
• Uneven rear brake service intervals on listed Audi platforms
• Replacement needs for OE-style rear pad service

Installation Notes and Tips

Verify the rear caliper and rotor configuration before ordering, especially on A5, A5 Quattro, SQ5, and Q5 applications with listed notes such as ATE Front Calipers or Full Cast Rotors. Confirm the part number 2551-1386-00 against the vehicle’s brake setup before installation. Rear brake pad replacement should be performed with the correct inspection of rotors, calipers, and wear sensors where equipped.

Quality Assurance

R1 Concepts R1 Optimum OE Pads are positioned as OE-style replacement brake pads for the listed Audi rear applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.