Rancho RS55042 Shock Absorber - Front

Overview of Rancho RS5000X RS55042 Shock Absorber

The Rancho RS5000X RS55042 suspension shock absorber is engineered for Ford F-250 Super Duty and F-350 Super Duty trucks. Designed to provide reliable damping performance, this shock absorber supports improved ride control and vehicle stability under various driving conditions.

• Compatible with Ford F-250 Super Duty and F-350 Super Duty models
• Compressed length: 13.85 inches
• Extended length: 20.79 inches
• Travel length: 6.94 inches
• Includes dust shield for enhanced durability
• Extended bumper stop included for additional suspension protection
• Upper mount: Stem mount with 2.5/8 inch stem length and 1/2-13 thread pitch
• Lower mount: Loop bushing and sleeve mount with 14mm sleeve ID and 1.11/16 inch sleeve OA
• Parts pack included (P01167)

RS5000X Product Line Details

The RS5000X line from Rancho focuses on delivering consistent suspension performance for heavy-duty trucks. This product line balances durability and ride comfort, making it suitable for Ford Super Duty trucks that require dependable shock absorbers for both on-road and moderate off-road use. The RS55042 shock absorber is part of this line, offering specific mounting configurations and travel lengths tailored to the F-250 and F-350 models.

Technical Description and Features

The RS55042 shock absorber features a compressed length of 13.85 inches and an extended length of 20.79 inches, providing a travel length of 6.94 inches. It includes a dust shield to protect internal components from debris and an extended bumper stop to prevent damage during suspension compression. The upper mounting uses a stem mount with a 2.5/8 inch stem length and 1/2-13 thread pitch, while the lower mounting employs a loop bushing and sleeve mount with a 14mm sleeve inner diameter and 1.11/16 inch outer sleeve length. This configuration ensures secure attachment and compatibility with the specified Ford Super Duty trucks.

Applications and Problem Solving

• Improves ride stability and control on Ford F-250 Super Duty and F-350 Super Duty trucks
• Reduces suspension noise and harshness caused by worn or damaged shocks
• Prevents bottoming out with extended bumper stop protection
• Protects shock internals from dust and debris with included dust shield
• Restores proper suspension travel and damping performance

Installation Notes and Tips

Installation of the Rancho RS55042 shock absorber requires matching the upper stem mount and lower loop bushing mount to the vehicle’s suspension points. Ensure the mounting hardware from the included parts pack (P01167) is used for secure fitment. Verify the compressed and extended lengths align with the vehicle’s suspension travel to avoid binding or overextension. It is recommended to replace shocks in pairs for balanced suspension performance.

Quality Assurance and Warranty

Rancho RS5000X shocks are manufactured to meet OEM specifications for Ford Super Duty trucks. The RS55042 shock absorber includes quality features such as dust shields and extended bumper stops to enhance durability. 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.