Rancho Suspension Shock Absorber P/N:RS999001
Smooth out the ride and take back control on and off road with the RANCHO shock absorber RS5000X RS55382, a front application-tuned damper that drops in on the 2011-2018 Chevrolet Silverado 2500 HD and Silverado 3500 HD, plus the 2011-2018 GMC Sierra 2500 HD and Sierra 3500 HD. At its core is Rancho's exclusive Cross Tuned technology, pairing a rebound valving system with an advanced compression phase to help improve overall handling and performance.
A low-friction, self-lubricating seal retains gas and oil for quicker rebound. Backed by Rancho's Limited Lifetime Warranty. Sold individually; replacing both front shocks together is recommended for a balanced ride. See the Buyer's Guide tab for engine-level fitment.
Interchange: RS5382
This part cross-references / interchanges with the following part numbers:
Does the RANCHO absorber RS55382 fit my truck?
It is listed for the 2011-2018 Chevrolet Silverado 2500 HD and 3500 HD and the 2011-2018 GMC Sierra 2500 HD and 3500 HD. Check the Buyer's Guide tab for engine-level fitment.
Is this a front or rear shock?
The catalog lists the RS55382 as a front application. Replacing both front shocks together as a pair is recommended for a balanced, even ride.
What is Cross Tuned technology?
It is Rancho's exclusive setup that pairs a rebound valving system with an advanced compression phase, designed to help improve overall handling and performance on and off road.
How is this shock built to last?
It features a 16 mm nitro-carburized piston rod that resists scuffs and corrosion, double-welded loops at stress areas, a 35 mm sintered iron piston, and a polyvinyl protective boot.
What are signs my shocks may need replacing?
Excessive bouncing, a rough or harsh ride, poor body control, or uneven tire wear can signal worn shocks. Diagnose the cause before replacing to confirm the shocks are at fault.
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.