Rancho RS55289 Shock Absorber - Front

Overview of Rancho RS5000X Suspension Shock Absorber

The Rancho RS5000X Suspension Shock Absorber (Part Number RS55289) is engineered for heavy-duty performance on Chevrolet, GMC, and Hummer trucks. Designed specifically for models like the Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD, this shock absorber enhances ride control and stability under demanding conditions.

• Compatible with Chevrolet Silverado 2500 HD, Sierra 2500 HD, Hummer H2, and related models
• Extended length of 21.41 inches and compressed length of 13.88 inches
• Includes dust shield for added durability
• Lower mounting with loop bushing and sleeve mount (14mm sleeve ID x 1.5/16" sleeve OAL)
• Upper mounting with stem mount (2.5/8" stem length x 1/2"-13 thread pitch)
• Travel length of 7.53 inches for effective suspension movement
• Parts pack included (P01167) for installation

Detailed Product Description

The Rancho RS55289 shock absorber is part of the RS5000X line, designed to provide consistent damping performance for heavy-duty trucks and SUVs. This suspension shock absorber features a dust shield to protect internal components from debris and extend service life. The shock’s mounting design includes a loop bushing and sleeve mount on the lower end, ensuring a secure fit with a 14mm sleeve inner diameter and 1.5/16" outer sleeve length. The upper mount uses a stem mount with a 2.5/8" stem length and 1/2"-13 thread pitch, compatible with the specified Chevrolet, GMC, and Hummer models. With a travel length of 7.53 inches, this shock absorber supports smooth suspension articulation and improved ride quality.

RS5000X Product Line Information

The RS5000X series from Rancho is designed for drivers who require reliable suspension components for heavy-duty applications. This product line focuses on delivering consistent damping and durability for trucks like the Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD. The RS5000X shocks are engineered to handle demanding road conditions while maintaining vehicle control and comfort.

Common Applications and Problem Solving

• Reduces excessive bouncing and improves ride stability on rough terrain
• Minimizes suspension fade during heavy load or towing conditions
• Prevents premature wear of suspension components by maintaining proper damping
• Enhances vehicle control and handling for Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD
• Protects suspension system from dust and debris with included dust shield

Installation Notes and Tips

• Verify compatibility with vehicle make and model before installation
• Use the included parts pack (P01167) for proper mounting hardware
• Ensure mounting points match the lower loop bushing and upper stem mount specifications
• Check shock absorber length (compressed and extended) to confirm fitment
• Professional installation is recommended for optimal performance and safety

Quality Assurance and Warranty

Rancho RS5000X shocks are manufactured to meet OEM standards for durability and performance. The RS55289 shock absorber includes a dust shield to enhance longevity under harsh conditions. Warranty coverage details should be confirmed with the manufacturer or authorized distributor to ensure protection against defects.