Monroe 15647L Suspension Shock Absorber Assembly - Rear Left

Rear Left Shock Assembly for Select GM Sedans

Monroe OESpectrum shock & mount assembly 15647L is a premium rear left suspension shock absorber assembly built for select Chevrolet Impala, Buick LaCrosse, and Chevrolet Malibu applications. It combines the shock, upper mount, compression bumper, and dirt shield in one pre-assembled unit to streamline service and restore controlled ride performance.

Designed with Monroe Twin Technology Active Control System, this assembly helps reduce noise, vibration, and harshness while maintaining consistent damping under everyday driving conditions. Monroe 15647L is a direct-fit solution for rear left suspension repair on 2014-2020 Chevrolet Impala, 2016 Buick LaCrosse, and 2013-2015 Chevrolet Malibu.

Key Features

• Premium-grade suspension shock absorber assembly
• Pre-assembled upper mount, shock, compression bumper, and dirt shield
• Twin Technology Active Control System for reduced NVH
• Upper stem mount with M10 thread pitch
• Lower loop bushing and sleeve mount design
• Body diameter: 1.75 in. (44.4 mm)
• Compressed length: 14.25 in. (362 mm)
• Extended length: 22.21 in. (564.1 mm)
• Travel length: 7.95 in. (201.9 mm)

Detailed Description

Monroe 15647L is engineered as an OE-style rear left shock assembly for vehicles that need controlled suspension response and simplified replacement. The OESpectrum design focuses on everyday ride quality, using active control technology to manage damping and reduce harshness over a wide range of road conditions. This part cross-references Monroe Shocks & Struts (e.g., 15647L, SA1002) for the same application.

Compatible With 2014-2020 Chevrolet Impala, rear left; 2016 Buick LaCrosse, rear left; and 2013-2015 Chevrolet Malibu, rear left. Monroe 15647L is a strong match for drivers searching for a rear left shock assembly for Chevrolet Impala, Buick LaCrosse, or Chevrolet Malibu suspension repair.

What It Helps Address

• Excessive rear suspension bounce or oscillation
• Noise and vibration from worn shock components
• Uneven ride control over bumps and rough pavement
• Delayed body stabilization after braking or lane changes
• Service time associated with separate shock and mount replacement

Installation Notes and Tips

Verify rear left fitment by year, make, and model before installation. This assembly uses a stem-style upper mount and loop-bushing lower mount, so confirm the mounting points and suspension layout match the vehicle. Inspect surrounding suspension components, including bushings and hardware interfaces, during replacement to ensure proper operation after installation.

Quality Assurance

Monroe OESpectrum parts are built around OE-style ride control requirements and active damping technology for consistent performance. The pre-assembled design supports a cleaner repair process, and the included compression bumper and dirt shield help protect the shock assembly during service.