Monroe 37158 Shock Absorber - Rear

Monroe OESpectrum Shock Absorber for Nissan Pathfinder and Infiniti QX4

The Monroe OESpectrum Light Truck Shock Absorber part number 37158 is engineered to provide reliable suspension performance for Nissan Pathfinder and Infiniti QX4 models. Designed with precise dimensions and durable materials, this shock absorber helps maintain vehicle stability and ride comfort under various driving conditions.

• Compressed length: 14.5 inches
• Travel length: 8.75 inches
• Extended length: 23.25 inches
• Metal dust shield included for enhanced protection
• Extended bumper stop for improved suspension travel control
• Loop bushing and sleeve mounts with specific dimensions for upper and lower mounting

About the OESpectrum Light Truck Shock Absorber Line

The Monroe OESpectrum Light Truck Shock Absorber line is designed to meet or exceed original equipment specifications for light trucks and SUVs. This product line focuses on delivering consistent damping performance and durability, making it suitable for vehicles like the Nissan Pathfinder and Infiniti QX4. The OESpectrum shocks incorporate advanced valving technology to provide a balance between ride comfort and handling stability.

Detailed Product Description

Monroe part number 37158 features a compressed length of 14.5 inches and an extended length of 23.25 inches, with a travel length of 8.75 inches, ensuring proper fitment and suspension articulation for compatible vehicles. The shock absorber includes a metal dust shield to protect internal components from debris and corrosion, extending the service life. The extended bumper stop helps control suspension travel and prevents damage during full extension. Mounting is facilitated by loop bushing and sleeve mounts, with the lower mount featuring a 12mm sleeve ID and 1.7/8 inch sleeve overall length, and the upper mount having a 5/8 inch sleeve ID and 1.11/16 inch sleeve overall length, ensuring secure and precise installation.

Common Suspension Issues Addressed

• Reduced ride comfort due to worn shocks
• Excessive body roll or sway during cornering
• Increased suspension noise or vibration
• Uneven tire wear caused by poor damping
• Loss of vehicle stability on rough or uneven terrain

Installation Notes and Tips

• Verify compatibility with Nissan Pathfinder or Infiniti QX4 before installation
• Inspect mounting hardware and replace if worn or damaged
• Ensure proper torque specifications are followed for upper and lower mounts
• Check suspension components for additional wear during installation
• Test drive vehicle after installation to confirm improved handling and ride quality

Quality Assurance and Warranty

Monroe OESpectrum Light Truck Shock Absorber part number 37158 is manufactured to meet strict quality standards and original equipment specifications. While specific warranty details are not provided here, Monroe typically offers limited warranties covering defects in materials and workmanship. Refer to Monroe's official documentation for complete warranty information.