Rancho RS55125 Shock Absorber - Rear

Rancho RS55125 Shock Absorber Overview

The Rancho RS55125 suspension shock absorber is engineered for reliable performance on Ford and Mazda trucks and SUVs. Designed specifically for models like the Ford Ranger and Mazda B2300, this shock absorber offers precise damping and durability to maintain vehicle stability and ride comfort.

• Compatible with Ford B2300, B2500, B3000, B4000, Bronco II, Ranger and Mazda B2300, B2500, B3000
• Part number RS55125 for exact fitment
• Includes dust shield for extended component life
• Extended bumper stop included for improved suspension travel control
• Loop bushing and sleeve lower mount (12mm ID x 1.5" OAL)
• Loop bushing upper mount (5/8" ID x 1.3125" OAL)
• Travel length of 8.15 inches for effective shock absorption
• Reserve tube diameter of 2.244 inches for enhanced heat dissipation

RS5000X Product Line Details

The RS5000X line from Rancho is designed to provide a balance of on-road comfort and off-road capability. This series features extended length shocks with extended bumper stops to improve suspension articulation and control. The RS55125 shock absorber benefits from this design philosophy, offering durability and consistent performance for mid-size trucks and SUVs.

Technical Specifications and Features

The RS55125 shock absorber has a compressed length of 14.11 inches and an extended length of 22.26 inches, allowing for a travel length of 8.15 inches. It includes a dust shield to protect internal components from debris and an extended bumper stop to prevent harsh bottoming out during suspension compression. The lower mounting uses a loop bushing and sleeve mount with a 12mm inner diameter and 1.5-inch overall length sleeve, while the upper mounting features a loop bushing with a 5/8-inch inner diameter and 1.3125-inch overall length. This configuration ensures a secure fit and smooth operation in compatible Ford and Mazda models.

Common Applications and Problem Solving

• Restores suspension control and ride quality on Ford Ranger and Mazda B-series trucks
• Reduces excessive bouncing and improves handling on uneven terrain
• Prevents premature wear caused by damaged or worn shocks
• Addresses suspension noise related to worn bushings or mounts
• Improves vehicle stability during braking and cornering

Installation Notes and Tips

Installation of the RS55125 shock absorber requires proper alignment of the loop bushing mounts. Ensure the mounting sleeves are correctly positioned to avoid binding. The included dust shield should be inspected for damage during installation and replaced if necessary. It is recommended to replace shocks in pairs to maintain balanced suspension performance. Verify vehicle compatibility with Ford B2300, B2500, B3000, B4000, Bronco II, Ranger, and Mazda B2300, B2500, B3000 models before installation.

Quality Assurance and Warranty

Rancho RS5000X shocks are manufactured to meet OEM specifications for durability and performance. The RS55125 shock absorber includes a dust shield and extended bumper stop to enhance longevity. While specific warranty details are not provided here, Rancho products typically come with a limited warranty against defects in materials and workmanship. Consult Rancho or authorized distributors for exact warranty terms.