Monroe 5631 Shock Absorber - Rear

Monroe OESpectrum Rear Shock for Infiniti G35

Restore factory-style ride control with the Monroe OESpectrum Passenger Car Shock Absorber, part number 5631. This rear shock is built for the 2003-2006 Infiniti G35 and focuses on handling precision while reducing noise, vibration, and harshness.

The OESpectrum line is Monroe’s OE-oriented passenger car shock absorber range, created for drivers who want original drivability and consistent control from a direct-fit suspension replacement.

Key Features

• Rear suspension shock absorber for the Infiniti G35
• Fits 2003-2006 Infiniti G35, rear
• Fits 2003-2005 Infiniti G35, rear without Sport Suspension
• Stem upper mount with M10 thread pitch
• Clevis bracket lower mount
• Extended length: 21.875 in; compressed length: 14.25 in
• Travel length: 7.625 in
• Part number 5631

Detailed Description

Monroe 5631 is a rear suspension shock absorber engineered for the Infiniti G35 platform, including 2003-2006 models and 2003-2005 vehicles without Sport Suspension. It uses a stem mount upper connection and a clevis bracket lower mount, making it a direct replacement for the specified rear application. With its OE-style tuning, this shock helps maintain the vehicle’s original road feel while controlling body motion and filtering out harshness from the road surface.

This part cross-references Monroe Shocks & Struts (e.g., 32130260, G51764) for the same application. It also cross-references KYB 344492 for the same application. If you are searching for a rear shock absorber for Infiniti G35 2003-2006 or a Monroe 5631 replacement shock for 2003-2005 Infiniti G35 without Sport Suspension, this part matches those fitment needs.

What It Helps Address

• Excessive rear-end bounce over bumps
• Reduced handling control in the rear suspension
• Noisy or harsh ride quality from worn shocks
• Uneven damping response during braking and cornering
• Loss of factory ride feel on the Infiniti G35

Installation Notes and Tips

Verify rear fitment by model year and suspension package before ordering. This shock uses a stem upper mount and a clevis bracket lower mount, so confirm the mounting style matches the vehicle’s original hardware layout. Compare compressed length, extended length, and travel length to the removed part to ensure proper suspension travel and ride height behavior.

Quality Assurance

Monroe OESpectrum shocks are built around OE-style ride control goals, with tuning aimed at restoring factory drivability and performance on the Infiniti G35 platform. Part number 5631 is a direct replacement option for the listed rear applications.