Rancho RS999940 Suspension Strut and Coil Spring Assembly - Front Left

Rancho Suspension Strut and Coil Spring Assembly Overview

The Rancho RS999940 suspension strut and coil spring assembly is designed specifically for Ford Expedition models. This assembly combines a durable SS3 body type shock with a coil spring to restore your vehicle's suspension performance and ride quality.

• Compressed length: 16.16 inches
• Travel length: 5.14 inches
• Body length: 15.66 inches
• Extended length: 21.3 inches
• Reserve tube diameter: 2.13 inches
• Includes dust shield for added protection
• Upper and lower mounting with loop bushing mounts (5/8" bushing ID x 1.5/16" bushing OAL)
• Parts pack included (P01141)

Detailed Product Description

The Rancho RS999940 suspension strut and coil spring assembly features a robust SS3 body type shock designed to provide consistent damping performance. With a compressed length of 16.16 inches and an extended length of 21.3 inches, this assembly offers a travel length of 5.14 inches, suitable for the suspension geometry of Ford Expedition vehicles. The assembly includes a dust shield to protect internal components from debris and extend service life. Both upper and lower mounts utilize loop bushing mounts with a 5/8 inch bushing inner diameter and 1.5/16 inch overall length, ensuring secure and precise fitment. The included parts pack (P01141) contains necessary hardware for installation.

Compatible Vehicles and Applications

This suspension strut and coil spring assembly is compatible with Ford Expedition models, providing a direct replacement for worn or damaged suspension components. It is engineered to restore factory ride height and handling characteristics, making it suitable for drivers seeking to maintain or improve their vehicle's suspension system.

• Restores suspension travel and ride height
• Reduces excessive body roll and sway
• Improves handling and stability on rough terrain
• Replaces worn or leaking struts and springs
• Addresses suspension noise caused by damaged bushings

Installation Notes and Tips

Installation of the Rancho RS999940 suspension strut and coil spring assembly requires basic suspension knowledge and tools. Ensure the vehicle is securely lifted and supported before removal of the old assembly. Verify that the loop bushing mounts align correctly with the vehicle's mounting points. It is recommended to inspect related suspension components such as control arms and sway bar links during installation. Proper torque specifications should be followed to ensure safety and performance.

Quality Assurance and Warranty

Rancho suspension components are manufactured to meet or exceed OEM standards for durability and performance. The RS999940 assembly undergoes rigorous quality control to ensure reliable operation under normal driving conditions. While specific warranty details are not provided here, Rancho typically offers limited warranties on their suspension products. Consult the product packaging or Rancho's official resources for exact warranty terms.