Rancho 06-09 Hummer H3 Front RS9000XL Shock

Nine Positions of Adjustable Control for the Hummer H3 Front End

The Rancho RHORS999309 RS9000XL is a front shock absorber engineered specifically for the 2006-2009 Hummer H3 and 2009 H3T. Built around Rancho's signature 9-position manual adjustment system, RHORS999309 lets you dial in ride quality on the fly, from a plush street setting to maximum dampening for off-road terrain. The result is a shock that performs across every condition the H3 was designed to handle, without compromise.

Key Features

• 9-position manual adjustment knob for instant ride tuning without tools
• 18mm nitro-carburized shock rod resists corrosion and bending under load
• Nitrogen gas charged at 120 PSI to eliminate fade and cavitation during extended use
• Polyurethane bushings for durability and reduced noise compared to rubber alternatives
• Direct bolt-on fitment for 2006-2009 Hummer H3 and 2009 H3T front positions
• Precision-welded body for structural integrity on and off pavement
• Compatible with stock ride height, no lift required for installation
• Rancho RS9000XL series is made in the USA and backed by a limited lifetime warranty

Fitment

Specifications

What's Included

• 1x Rancho RHORS999309 RS9000XL front shock absorber
• 9-position adjustment knob (pre-installed)
• Mounting hardware where applicable

About Rancho

Rancho has been engineering performance suspension products since 1953. Known for building the original adjustable shock absorber, Rancho continues to lead the market with products designed for real-world use on trucks, SUVs, and off-road vehicles. The RS9000XL series represents Rancho's top-of-line adjustable shock, trusted by enthusiasts and professionals who demand consistent performance across varying terrain. Every Rancho shock is tested to exceed OEM durability standards before it leaves the facility.

Frequently Asked Questions

The RHORS999309 is designed to fit the 2006-2009 Hummer H3 and the 2009 Hummer H3T in the front shock position. It is a direct replacement that requires no modifications for proper fitment at stock ride height.

A manual adjustment knob located at the top of the shock body allows you to rotate between 9 distinct dampening settings. Position 1 is the softest for maximum comfort on pavement, while position 9 provides the firmest dampening for off-road or performance driving. Adjustments take seconds and require no tools.

No. The RHORS999309 is designed for stock ride height on the Hummer H3 and H3T. If you have an aftermarket lift installed, verify the extended and collapsed lengths match your specific lift height before purchasing.

Yes. The RHORS999309 is charged with nitrogen gas at 120 PSI. Nitrogen gas prevents cavitation and aeration of the shock fluid during repeated compression cycles, which keeps damping performance consistent even during extended off-road use or aggressive driving.

The extended length of the RHORS999309 is 12 inches. Always verify this measurement against your vehicle's suspension geometry when comparing to other shocks or when planning a lift installation.

Rancho backs the RS9000XL series with a limited lifetime warranty against defects in materials and workmanship when installed and used under normal operating conditions. Warranty coverage applies to the original purchaser.

A competent DIY mechanic with basic hand tools, a spring compressor, and a torque wrench can install the RHORS999309. However, front shock replacement involves working with the front suspension and wheel assembly, so professional installation is recommended if you are not experienced with suspension work.

Polyurethane bushings used in the RHORS999309 offer greater durability and resistance to oil, ozone, and temperature extremes compared to factory rubber bushings. They maintain tighter tolerances over time, reducing slop and improving steering response. Some drivers notice a firmer feel compared to rubber, which is expected with a performance-grade bushing.

Yes. The RS9000XL series, including RHORS999309, is manufactured in the United States. Rancho has maintained domestic production as part of its commitment to quality control and consistency across its performance shock lineup.

Installation Instructions

1. Safely lift the vehicle and support it on jack stands. Remove the front wheel on the side being serviced.
2. Locate the upper and lower shock mounting bolts. Use penetrating oil if bolts are corroded and allow time to soak.
3. Remove the upper mounting bolt or nut securing the shock to the upper mount.
4. Remove the lower mounting bolt securing the shock to the lower control arm or axle bracket.
5. Slide the old shock out of the mounting locations and discard.
6. Position the RHORS999309 into the lower mount first, then align the upper mount. Thread bolts by hand to avoid cross-threading.
7. Torque lower mounting bolt to manufacturer specification (refer to your vehicle service manual for torque values).
8. Torque upper mounting hardware to specification.
9. Reinstall the wheel and lower the vehicle to the ground.
10. Set the 9-position adjustment knob to your preferred dampening level before driving. Start at position 4 or 5 for a balanced street and off-road setting.
11. Test drive and verify no unusual noises or handling issues. Retorque mounting hardware after the first 100 miles.

WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.