Rancho RS77420 front steering stabilizer for the 2018-2025 Jeep Wrangler and other vehicles reduces wheel shimmy, bump steer and vibration. This Rancho steering stabilizer, also called a steering damper, is a gas-charged unit from the RS7MT line.
- Helps minimize driver fatigue on road and off road
- Engineered for vehicles with oversized wheels and tires
- 14mm hardened chrome piston rod resists scuffs and corrosion
- Double-welded loops at stress areas, double-strength closure and hot form reserve tube
- Monotube gas design with all-weather fluid handles internal temperatures from -40°F to 248°F
- Integrated dirt wiper seal keeps moisture, dirt and debris out of the unit
Quick facts
- Part: Rancho RS77420 steering stabilizer
- Also called: steering damper
- Fits: 2018-2025 Jeep Wrangler and other vehicles
- Position: Front
- Condition: New
A worn front stabilizer can show up as wheel shimmy, vibration through the wheel or fluid seeping down the body. Those signs can also come from other steering or tire problems, so with the engine off, look over the body, rod and mount bushings for leaks, bending or splits before you replace it.
Fits
This is a steering stabilizer for the 2020-2025 Jeep Gladiator as well as the 2018-2025 Jeep Wrangler, and each takes one.
Specifications
Fit and size
- Position: Front
- Quantity per vehicle: 1
- Compressed length: 342.9 mm (13.5 in)
- Extended length: 531.1 mm
- Travel length: 188.2 mm (7.41 in)
- Body diameter: 50 mm
- Bore size: 46 mm
- Rod diameter: 14 mm
- Upper mount: loop (eyelet) bushing and sleeve, 12MM sleeve ID X 1.3/8 sleeve OAL
- Lower mount: loop (eyelet) bushing and sleeve, 1/2 sleeve ID X 1.1/2 sleeve OAL
Build and materials
- Type: gas-charged monotube
- Finish: painted, black
- Condition: New
- Warranty: Rancho Limited Lifetime Warranty
- Country of origin: Poland
In the box
One steering stabilizer. The shock boot is not included.
Installation notes
- Application-specific mounting is made to fit right out of the box, with no installing sleeves or extra hardware needed.
Interchange: 33292984 · 98524173 · 14040 · 68251580AA · 68251580AB · 68251580AC · 68251580AD · 68251580AE · 68251580AF · 68251580AG · 68454399AA · 68508680AA · 68624105AA · SC2974 · RS5420
This part cross-references / interchanges with the following part numbers:
33292984, 98524173, 14040, 68251580AA, 68251580AB, 68251580AC, 68251580AD, 68251580AE, 68251580AF, 68251580AG, 68454399AA, 68508680AA, 68624105AA, SC2974, RS5420
Frequently Asked Questions
Does the Rancho RS77420 fit both the 2018-2025 Jeep Wrangler and the 2020-2025 Jeep Gladiator?
Yes. The Rancho RS77420 front steering stabilizer fits both vehicles, and each takes one.
What temperatures can this monotube gas stabilizer handle?
It withstands internal temperatures from -40°F to 248°F. Its monotube gas design is filled with all-weather fluid for cooler operation.
Does this front steering stabilizer come with a shock boot?
No. The Rancho RS77420 does not include a boot. Its application-specific mounting needs no installing sleeves or extra hardware.
How do I look over a front stabilizer for wear with the engine off?
With the engine off and cool, look for fluid on the body, a scuffed or bent 14mm rod, and cracked or worn mount bushings. A shop can test how well it damps.
How does the Rancho RS77420 keep dirt out of the seal?
An integrated dirt wiper sealing system helps keep moisture, dirt and debris out of the unit, away from the oil and the internal seal.
