Rancho
Rancho RS9000XL Shock Absorber
Rancho RS9000XL Shock Absorber
Part number: 1MKZ0
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- Free fitment check before you order
Rancho RS9000XL Shock Absorber. Highlights include large, heavy-duty 18mm Nitro-Carb rod* and increases scuffing resistance & corrosion protection. Shocks and struts are normally replaced in pairs on the same axle. The fitment section lists 5 applications.
Key features
- Large, 2.75-in. (70mm) tri-tube body*
- Large, heavy-duty 18mm Nitro-Carb rod*
- Increases scuffing resistance & corrosion protection
- 9-position tuning technology
- Allows for optimal performance in any environment
- 9-Position adjustment knob
- Provides a clear understanding of tuning level
- Gas pressurization of shock
Specifications
- Brand: Rancho
- Part type: Shock
Fitment
- 2018 - 2022 Ford F-250 Super Duty Limited
- 2017 - 2022 Ford F-250 Super Duty Platinum, XL, Lariat, King Ranch, XLT
- 2018 - 2022 Ford F-350 Super Duty Limited
- 2017 - 2020 Ford F-350 Super Duty XL Plus
- 2017 - 2022 Ford F-350 Super Duty XL, Lariat, XLT, Platinum, King Ranch
What it does
Bouncing, nose dive under braking and uneven tire wear are signs they are worn. 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
- Replace shocks in pairs on the same axle, and get an alignment after strut work.
- Strut mounts: Often worn at the same time.
- Alignment: Needed after strut replacement.
- 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
How many vehicles is it listed for?
5 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.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- 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 shocks or struts: what to know
Bouncing, nose dive under braking and uneven tire wear are signs they are worn.
Fitment notes
- Engine: match the engine size and code to your vehicle; the same model often came with several engines.
- 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? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Strut mounts. Often worn at the same time.
- Alignment. Needed after strut replacement.
More for your car: Suspension & steering · Suspension & steering
Questions about shocks or struts
Will this fit my car?
Should I replace them in pairs?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.