Rancho
Rancho Rear Upper Adjustable Control Arm RS66162B
Rancho Rear Upper Adjustable Control Arm RS66162B
Part number: 10C1V
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Rear Upper Adjustable Control Arm RS66162B by Rancho for the rear upper position. Highlights include D2 high-articulation, grease-free, self-centering bushings and works on Jeeps from stock to 4-inches of lift. Suspension arms locate the wheel and set its alignment angles. The fitment section lists 13 applications.
Key features
- Heavy duty, .188 DOM wall tubing and forged ends construction
- 25-in. OD Diameter bar for upper Arms - 2.00-in. OD Diameter bar for lower Arms
- D2 high-articulation, grease-free, self-centering bushings
- Works on Jeeps from stock to 4-inches of lift
- Allows adjustment for caster and pinion angles
- Sold in pairs by axle
Specifications
- Brand: Rancho
- Part type: Suspension arm
- Position: Rear Upper
Fitment
- 2003 - 2006 Jeep TJ Rubicon
- 1997 - 2004 Jeep TJ Sahara
- 1997 - 2006 Jeep TJ Sport, SE
- 2001 Jeep Wrangler 60 Aniversario
- 2006 Jeep Wrangler 65th Anniversary Edition, X 65 Aniversario
- 1997 Jeep Wrangler Base
- 2003 - 2006 Jeep Wrangler Rubicon
- 1997 - 2004 Jeep Wrangler Sahara
- 1997 - 2006 Jeep Wrangler Sport, SE
- 2004 - 2006 Jeep Wrangler Unlimited
- 2005 - 2006 Jeep Wrangler Unlimited Rubicon
- 2002 - 2006 Jeep Wrangler X
- 2003 Jeep Wrangler X AT
What it does
Adjustable arms let lowered or lifted cars get alignment back in spec. Worn suspension and steering parts show up as clunks, wandering, uneven tire wear and a vague feel; fresh parts restore control, and performance parts sharpen it.
Installation & tips
- Get a wheel alignment after replacing or adjusting arms.
- Alignment: Always after arm work.
- Bushings: Check other bushings while you are under there.
- This part affects how the vehicle stops, steers or holds the road. If you are not sure how to fit it, have it installed or checked by a qualified mechanic.
FAQ
Which side or position does it fit?
It is listed for the rear upper position. If you are replacing both sides, check whether you need one of each.
How many vehicles is it listed for?
13 applications are listed in the fitment section above.
Can I install it myself?
Many owners do this job at home with the right tools and a service manual, but because it is a safety-related part, have the work checked by a qualified mechanic if you are not sure.
Before you order
- Check the position: this part is listed as rear upper.
- Measure the part you are replacing and compare it with the specifications above.
- Plan for a wheel alignment after fitting if the job changes the suspension or steering geometry.

Rancho suspension arm: what to know
Worn ball joints and bushings in arms cause clunks, wander and uneven tire wear.
Fitment notes
- Specs, lead time and warranty come from Rancho and can change. The details above this guide are the latest we have.
Not sure it fits? Tell us exactly what you drive and we'll confirm fitment first. It's free and saves a return.
Ask about fitmentWhat else to plan for
More for your car: Control Arms · All Control Arms · Suspension & steering
Questions about suspension arm
Will this fit my car?
Will I need an alignment?
Where do specs and warranty details come from?
Questions & answers
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