Monroe 15683 Suspension Shock Absorber Assembly - Rear

Monroe OESpectrum Rear Shock Assembly for Mazda 3

The Monroe OESpectrum shock & mount assembly, part number 15683, is a direct-fit rear suspension shock absorber assembly for 2012-2013 Mazda 3 models. It combines the shock, upper mount, compression bumper, and dirt shield in one pre-assembled unit to streamline rear suspension service.

Built for drivers who want controlled ride response and reduced cabin disturbance, this assembly uses Monroe Twin Technology Active Control System to help manage noise, vibration, and harshness during everyday driving.

Key Features

• Fits 2012-2013 Mazda 3, rear
• Monroe OESpectrum shock & mount assembly, part number 15683
• Pre-assembled upper mount, shock, compression bumper, and dirt shield
• Premium-grade suspension shock absorber assembly
• Twin Technology Active Control System helps reduce noise, vibration, and harshness
• Body diameter: 1.75 in. (44.4 mm)
• Compressed length: 19.01 in. (482.9 mm)
• Extended length: 28.13 in. (714.5 mm)
• Travel length: 9.12 in. (231.6 mm)
• Upper mount type: stem mount with M8 thread pitch
• Lower mount type: loop bushing and sleeve mount with 12 mm sleeve ID

Detailed Description

Monroe 15683 is engineered as a complete rear shock absorber assembly for the Mazda 3, covering 2012 and 2013 model years. The pre-assembled design reduces the number of separate components to handle during replacement, while the included mount, bumper, and dirt shield support a cleaner, more efficient repair process. This rear Mazda 3 shock assembly is a practical OE-style service part for restoring suspension control and ride consistency.

This part cross-references Bosch 15683 for the same application. It also interchanges with BGV428910 and BGV928910.

What This Part Helps Address

• Rear-end bounce or excessive oscillation over bumps
• Reduced damping control from a worn shock absorber
• Noise and vibration from aging suspension components
• Uneven ride quality at the rear of the vehicle
• Service time associated with assembling separate shock components

Installation Notes and Tips

Verify rear position and mount style before installation on 2012-2013 Mazda 3 vehicles. Compare the stem mount and loop bushing dimensions to the removed unit, and confirm compressed and extended lengths match the application. Inspect surrounding suspension hardware and mounting points for wear before completing the repair.

Quality Assurance

Monroe positions the OESpectrum line as a premium suspension solution with active control technology aimed at maintaining predictable damping and reducing harshness in daily driving. Part number 15683 is built to support a direct replacement workflow for the rear suspension on the Mazda 3.