Smooth out the ride and keep your truck planted on- and off-road with the Rancho RS5000X Suspension Shock Absorber (RS55115). It drops in as a direct-fit replacement across a wide range of Ford, International, and Toyota trucks and SUVs — including the 1966-1996 Ford Bronco, 1975-1996 Ford F-150, 1971-1980 International Scout II, and 1979-1985 Toyota Pickup — see the Buyer's Guide tab for the full list of 14 applications.
Cross Tuned technology: an exclusive rebound valving system and advanced compression phase that improve overall handling and performance on and off road.
Progressive Engagement Valving: custom-tuned for each vehicle to help reduce initial impacts at low speeds and minimize a rough ride.
Strong and durable: a 16 mm nitro-carburized piston rod resists scuffs and corrosion, plus double-welded loops at stress areas, a 35 mm sintered iron piston, and a polyvinyl protective boot.
Built for temperature swings: a large 2 1/4-inch twin-tube body filled with all-weather fluid for cooler operation, rated to withstand internal temperatures of -40 to 248°F, with nitrogen gas pressurized to 150 PSI to reduce fade and foaming.
A polyurethane rebound bumper and rubber bushings help absorb ride harshness, while the fluon-banded piston and custom-tuned Compression Control Valve regulate fluid transfer for controlled shock motion. Mounting position varies by application (front or rear); sold individually. Backed by Rancho's Limited Lifetime Warranty.
Interchange: RS5115 · N8055
This part cross-references / interchanges with the following part numbers:
RS5115, N8055
Frequently Asked Questions
What is the Rancho RS55115 shock absorber?
It's a Rancho RS5000X twin-tube suspension shock absorber that dampens spring and suspension motion to help control ride and handling on- and off-road for the listed applications.
Which vehicles does the RS55115 fit?
It fits 14 applications, including the 1966-1996 Ford Bronco, 1975-1996 Ford F-150, 1971-1980 International Scout II, and 1979-1985 Toyota Pickup. See the Buyer's Guide tab for the full list.
Is this shock sold as a pair or individually?
It is sold individually. For balanced ride and handling, it's best practice to replace shocks on the same axle together as a matched set.
What interchange numbers does the RS55115 cross to?
It cross-references to RS5115 and N8055.
What are signs my shock absorber may need replacing?
Signs may include a bouncy or rough ride, excessive body movement, nose-diving under braking, or visible fluid leakage. Diagnose the cause before replacing, as symptoms can have other sources.
Tame rough pavement and rough trails with the Rancho RS5000X Suspension Shock Absorber RS55254A, a rear shock built around Rancho's exclusive Cross Tuned technology — a rebound valving system and...
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.
