Rancho RS999903 Suspension Strut and Coil Spring Assembly - Rear Right

Rancho Suspension Strut and Coil Spring Assembly Overview

The Rancho RS999903 suspension strut and coil spring assembly is designed specifically for Ford Expedition models. Engineered to provide reliable performance and maintain factory ride quality, this assembly integrates key features to ensure durability and proper fitment.

• Compressed length: 14.67 inches
• Travel length: 6.93 inches
• Body length: 14.17 inches
• Extended length: 21.6 inches
• Body type: SS3
• Dust shield included for 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 RS999903 suspension strut and coil spring assembly is engineered to meet the specific suspension requirements of the Ford Expedition. Featuring a compressed length of 14.67 inches and a travel length of 6.93 inches, this assembly ensures proper suspension articulation and ride height. The SS3 body type provides a robust structure with a body length of 14.17 inches and an extended length of 21.6 inches, accommodating the suspension geometry of the vehicle. Both upper and lower mounts utilize loop bushing mounts with precise bushing dimensions (5/8" ID x 1.5/16" OAL) to reduce noise and vibration while maintaining secure attachment points. The included dust shield helps protect internal components from debris and environmental elements, extending the service life of the assembly. The reserve tube diameter of 2.13 inches contributes to consistent damping performance under various driving conditions.

Common Applications and Problem Solving

• Replacement for worn or damaged suspension strut and coil spring assemblies on Ford Expedition
• Restores proper ride height and suspension travel
• Addresses excessive noise or vibration from faulty bushings or mounts
• Improves handling and stability compromised by aging suspension components
• Protects suspension internals with included dust shield to prevent premature wear

Installation Notes and Tips

• Ensure compatibility with Ford Expedition model year before installation
• Inspect mounting points and bushings for wear prior to assembly
• Use proper torque specifications for loop bushing mounts to avoid premature failure
• Check alignment after installation to maintain vehicle handling characteristics
• Consider professional installation if unfamiliar with suspension components

Quality Assurance and Warranty

Rancho suspension components are manufactured to meet OEM standards for fit and function. The RS999903 assembly includes a parts pack (P01141) to facilitate installation. While specific warranty details are not provided here, Rancho products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Verify warranty terms with the product documentation or manufacturer directly.