Rancho RS999909 Suspension Strut and Coil Spring Assembly - Front

Rancho RS999909 Suspension Strut and Coil Spring Assembly Overview

The Rancho RS999909 suspension strut and coil spring assembly is engineered for Ford F-150 and Lincoln Mark LT models. Designed to restore your vehicle's suspension performance, this assembly combines durability with precise fitment to ensure reliable handling and ride comfort.

• Compressed length: 16.7 inches
• Travel length: 5.01 inches
• Body length: 16.2 inches
• Extended length: 21.71 inches
• Body type: SS3
• Includes dust shield for added protection
• Loop bushing mounts with 5/8" bushing ID and 1.5/16" bushing OAL on both upper and lower mounts
• Reserve tube diameter: 2.13 inches
• Parts pack included (P01141)

Detailed Product Description

The Rancho RS999909 suspension strut and coil spring assembly is specifically designed for compatibility with Ford F-150 and Lincoln Mark LT trucks. Featuring a compressed length of 16.7 inches and a travel length of 5.01 inches, this assembly provides the necessary stroke for effective suspension movement. The SS3 body type offers a robust structure with a body length of 16.2 inches and an extended length of 21.71 inches, ensuring proper fit and function within the vehicle's suspension system.

Both the upper and lower mounts utilize loop bushing mounts with a 5/8" bushing inner diameter and a 1.5/16" overall length, providing secure attachment points that reduce noise and vibration. The included dust shield helps protect internal components from debris and extend the service life of the assembly. The reserve tube diameter of 2.13 inches contributes to the assembly's durability and performance under various driving conditions.

Common Applications and Problem Solving

• Restores suspension performance on Ford F-150 and Lincoln Mark LT models
• Addresses worn or damaged struts causing poor ride quality
• Eliminates excessive body roll and instability during cornering
• Reduces noise and vibration from faulty suspension components
• Improves vehicle handling and load support for daily driving and towing

Installation Notes and Tips

Installation of the Rancho RS999909 suspension strut and coil spring assembly requires standard suspension tools and mechanical knowledge. 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 bushings during installation. Proper torque specifications should be followed to maintain safety and performance.

Quality Assurance and Warranty

Rancho suspension components are manufactured to meet OEM standards for fit and function. The RS999909 assembly includes a parts pack (P01141) to facilitate installation. While specific warranty details are not provided here, Rancho products typically come with a limited warranty covering defects in materials and workmanship. For exact warranty terms, consult Rancho's official documentation or authorized distributors.