Take control on and off the pavement with the Rancho RS5000X Suspension Shock Absorber (RS55380), a front-position shock built around Rancho's exclusive Cross Tuned technology. It installs as a direct-fit replacement for the 2011-2019 Chevrolet Silverado 2500 HD, 2011-2018 Chevrolet Silverado 3500 HD, 2011-2019 GMC Sierra 2500 HD, and 2011-2018 GMC Sierra 3500 HD — see the Buyer's Guide tab for engine-level details.
Progressive Engagement Valving is custom-tuned for each vehicle to help reduce initial impacts at low speeds, while polyurethane rebound bumper and rubber bushings help absorb ride harshness. Backed by Rancho's Limited Lifetime Warranty.
Interchange: RS5380 · 23333A
This part cross-references / interchanges with the following part numbers:
What vehicles does the Rancho RS55380 fit?
It's a direct-fit front shock for the 2011-2019 Chevrolet Silverado 2500 HD, 2011-2018 Silverado 3500 HD, 2011-2019 GMC Sierra 2500 HD, and 2011-2018 GMC Sierra 3500 HD. Check the Buyer's Guide tab to confirm your vehicle.
What position is this shock?
The RS55380 is cataloged as a front-position suspension shock absorber for the listed applications.
What is Cross Tuned technology?
It's Rancho's exclusive rebound valving system combined with an advanced compression phase, designed to improve overall handling and performance both on and off road.
Is this shock gas pressurized?
Yes. It's nitrogen gas pressurized to 150 PSI, which helps minimize air-to-oil mixing to reduce damping fade and foaming.
Should I replace shocks in pairs?
This listing is for one shock. Replacing shocks as an axle pair is a best practice for balanced, even ride control; consult your service information for your vehicle's needs.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
