Monroe 37312 Shock Absorber - Rear

Monroe OESpectrum Rear Shock for Infiniti FX35/FX45

Monroe OESpectrum Light Truck Shock Absorber 37312 is built to restore factory-style drivability on the rear suspension of select Infiniti FX models. It focuses on controlled handling and reduced noise, vibration, and harshness for a more composed ride.

Key Features

• Rear suspension shock absorber for select 2003-2008 Infiniti FX35 and FX45 applications
• OESpectrum Light Truck line tuned for handling precision and ride control
• Helps filter road noise, vibration, and harshness
• Upper mounting type: stem mount with M12 thread pitch
• Lower mounting type: loop bushing and sleeve mount, 1/2" sleeve ID x 1.7/8" sleeve OAL
• Compressed length: 13.58 in; extended length: 16.15 in; travel length: 2.57 in
• This part cross-references KYB 349027 and Monroe Shocks & Struts G51831 for the same application

Product Details

The Monroe OESpectrum Light Truck Shock Absorber 37312 is part of Monroe’s OESpectrum line, which is focused on OE-style ride quality for light truck and crossover applications. For the Infiniti FX35 and Infiniti FX45 rear position, this shock is engineered to help maintain original factory drivability while improving control over body motion and road input. Monroe 37312 is a direct-fit suspension shock absorber choice for drivers replacing worn rear shocks on 2003-2008 Infiniti FX35 and 2003-2008 Infiniti FX45 models.

Common Issues It Can Address

• Excessive rear-end bounce over bumps
• Reduced handling stability in the rear suspension
• Harshness and vibration felt through the cabin
• Noise from worn shock absorber internals
• Uneven ride control caused by aging suspension components

Installation Notes

Verify rear fitment by matching the vehicle year, model, and mounting style before installation. This shock uses a stem upper mount and a loop bushing and sleeve lower mount, so confirm the existing hardware and mounting points on the vehicle. For best results, inspect related suspension components such as bushings and mounts during replacement.

Quality Assurance

Monroe OESpectrum shocks are positioned as OE-style replacement components for restoring factory drivability and performance characteristics. The design emphasis is on controlled handling and reduced NVH for light truck and crossover suspension service.