Rancho Diesel Suspension System Component Box Two

2020–2023 Jeep Wrangler Unlimited Diesel

RS66130BR9-2

Overview:

The Rancho Diesel Suspension System Component Box Two is engineered specifically for 4-door Jeep Wrangler JL Diesel Unlimited models from 2020 to 2023. Designed to enhance off-road capability and on-road comfort, this premium suspension upgrade provides a lift of 2.0 to 3.5 inches, allowing for larger tires and improved ground clearance. Ideal for diesel Jeep owners who demand superior performance on rugged trails without sacrificing daily drivability, this system delivers a balanced stance and reliable handling under heavy loads.

Featuring advanced Rancho RS9000XL shocks with customizable damping control, this suspension kit ensures you can fine-tune firmness for a variety of terrains. Whether you’re tackling rock crawling, trail riding, or highway cruising, this system adapts to your driving style and conditions.

Key Features:

This suspension system combines innovative technology with durable components to provide a comprehensive upgrade for your Jeep Wrangler Unlimited Diesel:

• Front and rear corner-specific progressive rate coil springs tuned for diesel models to maintain a level stance and smooth ride under heavy loads
• Rancho RS9000XL front and rear shocks featuring nine-position adjustable knobs for precise damping control and enhanced ride quality
• Designed to accommodate up to 35-inch tires on 17-inch wheels with 4.5-inch backspacing, providing ample clearance for off-road adventures
• High-strength, low-alloy steel brackets engineered for long-lasting durability and trail-ready performance
• Extended sway bar end links and e-brake line relocation bracket included for proper geometry and safe operation
• Compatible with Jeep’s factory electronic stability system, allowing the use of original equipment wheels and tires
• Offers 2.0 to 3.5 inches of lift, with non-Rubicon models achieving a taller lift height compared to Rubicon variants
• Designed to work seamlessly with aftermarket accessories such as bumpers, sliders, and winches (note that these may affect final lift height)
• Includes Rancho’s limited lifetime warranty for peace of mind

Construction & Design:

Rancho’s Diesel Suspension System is built with ruggedness and precision in mind. The coil springs are specifically calibrated for diesel-powered Jeep Wranglers, ensuring optimal load handling and ride comfort. Brackets and hardware are crafted from high-strength, low-alloy steel to withstand the rigors of off-road use and provide long service life.

The RS9000XL shocks incorporate advanced damping technology with a durable construction that resists wear and maintains consistent performance. The nine-position adjustment knob allows drivers to tailor shock firmness to their preferences, enhancing both on-road stability and off-road articulation.

Installation & Fitment:

This suspension system is designed for straightforward bolt-on installation, requiring no major modifications to your Jeep Wrangler Unlimited Diesel. It complies with NHTSA FMVSS126 standards, ensuring safety and reliability. The kit ships in two boxes; to complete your suspension upgrade, order both RS66130BR9-1 and RS66130BR9-2.

Fitment is exclusive to 4-door Jeep Wrangler JL Diesel Unlimited models from 2020 through 2023, including the 80th Anniversary, Freedom, High Altitude, Islander, Rubicon, Sahara, Sahara Altitude, Sport, Sport Altitude, Sport S, Willys, and Willys Sport trims. This kit is not compatible with gas engine models.

What's Included:

• Four Rancho RS9000XL adjustable shocks (front and rear)
• Front and rear corner-specific progressive rate coil springs
• Bump stops
• Front and rear extended sway bar end links
• E-brake line relocation bracket
• All necessary hardware for installation

Ideal For:

This suspension system is perfect for Jeep Wrangler Unlimited Diesel owners seeking a reliable, high-performance lift kit that enhances off-road capability without compromising daily driving comfort. It suits enthusiasts who want to run larger tires, improve ground clearance, and maintain factory electronic stability system compatibility. Whether you’re a weekend trail rider, rock crawler, or daily driver, this kit delivers a versatile and durable suspension upgrade.

Rancho is a performance suspension and shock brand for trucks, SUVs, and Jeeps, offering shocks/struts, steering stabilizers, leveling kits, and lift systems built for trail and daily use. Their products are aimed at improving control and stability on rough terrain while maintaining everyday drivability—ideal for rigs that tow, haul, and still see dirt on the weekends.