R1 Concepts 2551-0691-00 Disc Brake Pad Set - Front

R1 Concepts Front Disc Brake Pad Set

R1 Concepts R1 Optimum OE Pads are a front disc brake pad set for select Nissan, INFINITI, and Acura applications. Part number 2551-0691-00 is built for drivers replacing worn front brake pads on vehicles such as the Nissan Quest, Nissan Pathfinder, INFINITI QX4, and Acura MDX.

Key Features

• Front disc brake pad set for OE-style replacement
• Compatible with select 1996-2017 Nissan, INFINITI, and Acura front brake applications
• Part number 2551-0691-00 for easy identification
• R1 Optimum OE Pads product line from R1 Concepts
• Application-specific fitment for front brake service

Detailed Description

The R1 Optimum OE Pads line is positioned as an OE replacement brake pad solution for everyday street use. This front disc brake pad set is listed for 2011-2017 Nissan Quest, 2004-2009 Nissan Quest, 2002-2007 Nissan X-Trail, 2003-2006 Acura MDX, 1996-2004 Nissan Pathfinder, 1997-2003 INFINITI QX4, and 1997-2001 INFINITI Q45. If you are searching for front brake pads for Nissan Pathfinder, INFINITI QX4 brake pads, or Acura MDX front disc pads, part number 2551-0691-00 matches the listed applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Replacing worn front brake pads on a Nissan Quest
• Restoring braking performance on a Nissan Pathfinder or X-Trail
• Servicing front brakes on an Acura MDX
• Addressing brake noise, reduced pad thickness, or uneven stopping feel
• Maintaining proper front brake operation on INFINITI QX4 and Q45 models

Installation Notes and Tips

Install on the front axle only and verify vehicle year, make, model, and trim before ordering. Inspect rotors, calipers, and brake fluid condition during pad replacement, and follow the vehicle manufacturer’s service procedure for bedding-in new pads after installation. Confirm part number 2551-0691-00 against the existing pad shape before service.

Quality Assurance

R1 Concepts identifies this as part of its R1 Optimum OE Pads line, an OE-style brake pad offering for listed front applications. Verify fitment against the vehicle’s brake system before installation.