All Balls Racing RZR Pro R Rear Caliper Rebuild Kit (2019-2026)
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The All Balls Racing rear brake caliper rebuild kit for the Polaris RZR Pro R, RZR Turbo S and RZR Turbo R replaces worn factory parts to cure sticking calipers, leaking seals and weak brakes. It is built to All Balls' application data as a direct replacement, so it goes back in where the original came out and restores firm, consistent braking.
Searching for Polaris RZR Pro R rear caliper rebuild kit, Polaris RZR Pro R caliper rebuild kit or Polaris RZR Pro R brake caliper kit? Use the exact-model fitment list below to confirm this kit matches your machine.
Kit contents per All Balls: boot x3, caliper seal x4, washer x2.
Key Features
- Includes the boots, seals and copper washers All Balls lists to rebuild the caliper, with pad retaining pins where applicable
- Most kits are sold per caliper, per All Balls
- Includes the seal between the caliper halves where applicable
- Zinc-plated pins resist corrosion
Built To Solve: Worn Polaris RZR Pro R, RZR Turbo S and RZR Turbo R Rear Brake Caliper Rebuild Kit Problems
- A dragging or sticking caliper
- Brake fluid leaking past worn seals
- Torn dust boots letting in dirt and water
- Uneven pad wear from a sticking piston
Best For: Polaris RZR Pro R, RZR Turbo S and RZR Turbo R Owners Rebuilding The Brakes
- RZR Pro R owners replacing worn brake caliper seals
- Riders in sand, mud and water who wear brakes fast
- Higher-hour trail and work machines
- Owners doing their own brake service
Specifications
- Brand: All Balls Racing
- Product type: rear brake caliper rebuild kit
- Contents: Boot x3
- Contents: Caliper seal x4
- Contents: Washer x2
- Kit type: rear brake caliper rebuild kit
- Position (per All Balls): rear
- Country of origin: Taiwan
- Manufacturer Part Number: 18-3307
Fitment
All Balls lists this rear brake caliper rebuild kit for the following UTVs:
- Polaris RZR Pro R (2023-2026)
- Polaris RZR Pro R 4 (2025)
- Polaris RZR Pro S (2025-2026)
- Polaris RZR Turbo R (2022-2024)
- Polaris RZR Turbo R 4 (2022-2024)
- Polaris RZR Turbo S 4 (2020-2021)
- Polaris RZR Turbo S Velocity (2019-2021)
Position by machine, per All Balls:
- Rear: Polaris RZR Pro; Polaris RZR Turbo; Polaris RZR XP
Fitment is based on the manufacturer's application data. Fitment is not guaranteed on unlisted models; confirm your exact year, model and package before ordering.
FAQ
How do I know my RZR Pro R caliper needs a rebuild?
A caliper that drags or sticks, a pad that wears unevenly, fluid weeping around the pistons, or a torn dust boot are the usual signs.
What comes in the kit?
All Balls lists three boots, four caliper seals and two washers.
Which models does it fit?
All Balls lists Polaris RZR Pro R (2023-2026); Polaris RZR Pro R 4 (2025); Polaris RZR Pro S (2025-2026); Polaris RZR Turbo R (2022-2024); Polaris RZR Turbo R 4 (2022-2024); Polaris RZR Turbo S 4 (2020-2021); Polaris RZR Turbo S Velocity (2019-2021).
Which position does it fit?
All Balls lists this part for the rear position on the machines it covers. Confirm your exact year and model in the fitment list.
Is installation difficult?
The caliper comes off and is disassembled so the pistons can be removed and the seals and boots replaced. Clean the bore, reassemble, and bleed the brakes. All Balls does not publish an install sheet for this part.
Should I replace the pistons too?
If the pistons are pitted, corroded or cracked, replace them with a stainless piston kit while the caliper is apart.
Why All Balls Racing
All Balls Racing specializes in replacement bearings, seals, brake, drivetrain, steering and suspension parts for ATVs and UTVs, packaged by application so the right parts arrive for the job. Its kits are built as direct replacements for the factory parts they cover.
Complete Your RZR Pro R Brake Service
Confirm your exact year, model and position in the fitment list before ordering. Inspect the pads, rotors, caliper seals and fluid at the same time, and bleed the brakes with fresh fluid after any hydraulic work.
