R1 Concepts 2551-0915-10 Disc Brake Pad Set - Front

OE-Style Front Brake Pads for Audi A4

R1 Concepts R1 Optimum OE Pads, part number 2551-0915-10, are a front disc brake pad set for select Audi A4 and Audi A4 Quattro applications. This OE-style pad set is built for drivers replacing worn front pads on 2000-2009 Audi A4 models with the listed disc sizes and fitment notes.

Key Features

• Front disc brake pad set for select Audi A4 and Audi A4 Quattro vehicles
• R1 Optimum OE Pads product line from R1 Concepts
• Fits 2000-2004 Audi A4, front, 320mm front disc
• Fits 2005 Audi A4 Quattro, front, 321mm front disc
• Fits 2005-2009 Audi A4, front, USA/Canada applications
• Fits 2006-2009 Audi A4 Quattro, front
• Part number 2551-0915-10 for accurate ordering and catalog matching

Detailed Description

R1 Concepts R1 Optimum OE Pads are positioned as an OE-style replacement in the R1 Concepts brake pad lineup, giving Audi A4 owners a direct front axle service part for the listed vehicles. The fitment covers 2000-2009 Audi A4 and Audi A4 Quattro front applications, including 320mm and 321mm front disc configurations where specified. If you are searching for front brake pads for Audi A4 Quattro or a front disc brake pad set for a 2005-2009 Audi A4, part number 2551-0915-10 matches the cataloged application.

Common Replacement Reasons

• Front brake pad wear or low friction material thickness
• Squealing, grinding, or uneven braking feel from worn pads
• Brake service on a 2000-2009 Audi A4 or Audi A4 Quattro front axle
• Replacement for vehicles with 320mm or 321mm front disc fitment notes

Installation Notes

Verify the front rotor diameter and vehicle configuration before installation. Confirm the part number 2551-0915-10 against the existing brake setup, especially on 2000-2005 Audi A4 and Audi A4 Quattro models with disc-size-specific notes. Inspect rotors, calipers, and pad hardware condition during brake service, and follow factory torque specifications and bedding procedures after installation.

Quality Assurance

R1 Concepts supplies the R1 Optimum OE Pads line as an OE-style brake pad option for the listed Audi applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.