Rancho RS55165 Shock Absorber - Front

Overview of Rancho RS5000X Suspension Shock Absorber

The Rancho RS5000X RS55165 suspension shock absorber is engineered for Ford F-250, F-250 HD, and F-350 trucks. Designed to provide reliable damping performance, this shock absorber includes features tailored to heavy-duty applications and off-road conditions.

• Extended length of 22.42 inches for enhanced suspension travel
• Compressed length of 14.01 inches
• Travel length of 8.41 inches for improved wheel articulation
• Includes dust shield to protect internal components
• Extended bumper stop for additional suspension cushioning
• Upper and lower mounting with loop bushing and sleeve mount (12mm ID x 1.5" OAL)
• Reserve tube diameter of 2.251 inches for increased fluid capacity

Detailed Product Features and Specifications

The RS55165 shock absorber from Rancho's RS5000X line is designed with durability and performance in mind. It features an extended length of 22.42 inches and a compressed length of 14.01 inches, providing a travel length of 8.41 inches. This range supports the suspension needs of Ford F-250, F-250 HD, and F-350 trucks, especially in demanding driving conditions. The shock includes a dust shield to prevent debris from affecting the piston and seals, enhancing longevity. The extended bumper stop offers additional cushioning during suspension compression, reducing harsh impacts. Both upper and lower mounts use loop bushings with sleeve mounts sized at 12mm inner diameter and 1.5 inches overall length, ensuring secure and stable installation. The reserve tube diameter of 2.251 inches allows for greater fluid volume, which helps maintain consistent damping performance under heavy loads.

About the Rancho RS5000X Product Line

The RS5000X series by Rancho is a line of suspension shock absorbers designed to balance on-road comfort with off-road capability. This product line focuses on providing extended travel and durability for trucks and SUVs that require reliable suspension components for both daily driving and rugged terrain. The RS55165 shock absorber fits within this line by offering extended length and travel specifications suitable for heavy-duty Ford trucks, supporting enhanced suspension articulation and control.

Applications and Problem Solving

• Improves ride quality and handling on Ford F-250, F-250 HD, and F-350 trucks
• Reduces suspension bottoming and harsh impacts with extended bumper stop
• Protects shock internals from dust and debris with included dust shield
• Supports heavy load conditions with increased fluid capacity and travel length
• Enhances suspension articulation for off-road and uneven terrain driving

Installation Notes and Tips

• Ensure compatibility with Ford F-250, F-250 HD, and F-350 models before installation
• Use proper tools to remove and install loop bushing and sleeve mounts securely
• Inspect mounting points for wear or damage prior to installation
• Verify shock absorber length matches vehicle suspension requirements
• Follow vehicle manufacturer torque specifications for mounting hardware

Quality Assurance and Warranty

Rancho RS5000X shock absorbers are manufactured to meet OEM standards for durability and performance. The RS55165 part number undergoes quality control to ensure consistent damping characteristics and fitment accuracy. While specific warranty details are not provided here, Rancho typically offers limited warranties on their suspension components. Consult Rancho or authorized distributors for exact warranty terms related to this shock absorber.