Monroe 34678 Shock Absorber - Rear

Monroe Gas-Magnum Shock Absorber Overview

The Monroe Gas-Magnum Shock Absorber part number 34678 is engineered to provide reliable suspension performance for Chevrolet and GMC trucks. Designed specifically for models like the Sierra 1500, Sierra 1500 Classic, Silverado 1500, and Silverado 1500 Classic, this shock absorber helps maintain vehicle stability and control under various driving conditions.

• Travel Length: 8.75 inches
• Extended Length: 25.5 inches
• Compressed Length: 16.75 inches
• Metal Dust Shield included for enhanced protection
• Extended Bumper Stop for improved durability
• Upper and Lower Mounting Type: Loop bushing & sleeve mount (9/16" sleeve ID x 1.5/8" sleeve OAL)
• Lower and Upper Mounting Code: Ls47

About the Gas-Magnum Shock Absorber Line

The Gas-Magnum Shock Absorber line by Monroe is designed to deliver consistent damping performance using pressurized nitrogen gas technology. This helps reduce shock fade and improves handling for trucks under load or rough road conditions. The 34678 model incorporates features such as a metal dust shield and extended bumper stop to protect internal components and extend service life, making it suitable for Chevrolet and GMC full-size pickups.

Detailed Product Description

This Monroe Gas-Magnum Shock Absorber (part number 34678) features an 8.75-inch travel length and a compressed length of 16.75 inches, with an extended length of 25.5 inches. The metal dust shield protects the piston rod from dirt and debris, which is critical for maintaining smooth operation and preventing premature wear. The extended bumper stop helps absorb impact forces during suspension compression, reducing stress on the shock absorber. Both upper and lower mounts use loop bushing and sleeve mounts with precise dimensions (9/16" sleeve ID x 1.5/8" sleeve OAL) to ensure a secure fit and proper alignment on Chevrolet and GMC Sierra and Silverado 1500 models.

Common Applications and Problem Solving

• Restores vehicle stability and control on rough or uneven roads
• Reduces excessive bouncing and body roll during cornering
• Improves ride comfort by absorbing shocks from road imperfections
• Prevents premature wear of suspension components by maintaining proper damping
• Replaces worn or leaking factory shocks on Chevrolet and GMC 1500 series trucks

Installation Notes and Tips

When installing the Monroe Gas-Magnum Shock Absorber 34678, ensure the vehicle is securely lifted and supported. Verify the upper and lower mounting codes (Ls47) and mounting types to confirm compatibility. The loop bushing and sleeve mounts require proper alignment to avoid premature wear. It is recommended to replace shocks in pairs (both front or both rear) to maintain balanced suspension performance. Check for any damaged mounting hardware and replace if necessary.

Quality Assurance and Warranty

Monroe manufactures the Gas-Magnum Shock Absorber line to meet or exceed OEM specifications for durability and performance. The metal dust shield and extended bumper stop contribute to the longevity of the shock absorber. While specific warranty details for part number 34678 are not provided here, Monroe typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.