Rancho RS999940 Suspension Strut and Coil Spring Assembly - Front Left

Rancho QuickLIFT Front Left Strut Assembly

The Rancho RS999940 is a loaded suspension strut and coil spring assembly for the front left side of select Ford Expedition and Lincoln Navigator models. It combines the strut, coil spring, and related components into one unit to simplify front-end service while leveling the stance and adding lift for larger wheel and tire setups.

Built for 2007-2013 Lincoln Navigator front left and 2007-2013 Ford Expedition front left applications, this assembly is a direct-fit solution for drivers looking to restore ride height and improve front suspension geometry. The RS999940 is also listed for 2013 Ford Expedition front left and raises the front 1.25 inches on 2007-2012 Ford Expedition applications.

Key Features

• Loaded strut and coil spring assembly for the front left position
• Levels and lifts late-model trucks and SUVs
• Raises the front 1.25 inches on 2007-2012 Ford Expedition applications
• Dust shield included for added protection
• Loop bushing upper and lower mounts with 5/8 inch bushing ID and 1.5/16 inch bushing OAL
• Body type SS3 with 2.13 inch reserve tube diameter
• Extended length: 21.3 inches; compressed length: 16.16 inches; travel length: 5.14 inches

Detailed Description

Rancho RS999940 is engineered as an all-in-one front suspension strut assembly for Ford Expedition and Lincoln Navigator models. By combining the coil spring and strut into a single loaded unit, it reduces the time and complexity of front suspension service while helping restore proper ride height. For shoppers searching for a Rancho quickLIFT front left strut assembly for 2007-2013 Ford Expedition or 2007-2013 Lincoln Navigator, this part number provides a direct application match.

This assembly is a practical choice when the goal is to correct a nose-down stance, add modest front lift, and create clearance for larger wheels and tires. The RS999940 part number is also a useful reference when comparing Rancho RS999940 suspension strut and coil spring assembly listings for Expedition and Navigator front-left fitment.

What It Helps Address

• Front-end sag or uneven ride height
• Need for additional front lift on select Ford Expedition models
• Time-consuming strut and spring replacement procedures
• Reduced clearance for larger wheels and tires
• Worn front left suspension assembly on compatible vehicles

Installation Notes and Tips

Compatible With 2013 Ford Expedition, front left; 2007-2013 Lincoln Navigator, front left; and 2007-2012 Ford Expedition, front left with a 1.25 inch front lift note on those model years. Verify trim, suspension configuration, and side before installation. Because this is a loaded assembly, it is typically used as a complete front-left replacement rather than transferring the original coil spring.

Quality Assurance

Rancho manufactures suspension components for truck and SUV applications with application-specific dimensions and mounting details. The RS999940 includes a dust shield and uses defined upper and lower loop bushing mounts to support consistent fitment on the listed Ford Expedition and Lincoln Navigator applications.