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The All Balls Brake Caliper Piston Kit, manufacturer part number 18-9038 and vendor part number 21-89038, provides precision-machined replacement pistons for rebuilding one compatible brake caliper. Manufactured from high-grade 304 stainless steel, these pistons are designed to deliver dependable service and improved resistance to corrosion compared with original chrome-plated steel or aluminum components. The kit is engineered for powersports brake systems requiring a durable, direct-fit replacement.
Feature: Stainless steel construction helps reduce thermal conductivity by up to 93% compared with aluminum, supporting consistent brake performance under demanding operating conditions. Feature: Precision-machined 304 stainless steel resists corrosion and wear. Feature: Replaces plastic composite pistons that can become brittle or damaged with age. Feature: Eliminates failure-prone ceramic inserts found on some KTM applications. Feature: Each kit includes the piston or pistons needed to rebuild one brake caliper.
This All Balls kit fits select 2014 Polaris RZR 900 and Polaris Ranger 570 EPS models, including 2015 and 2016 applications. It also fits the 2015 and 2016 Polaris Ranger 570 Fullsize, the 2017 Polaris ACE 570, and the 2015, 2016, and 2017 Polaris Sportsman 850 SP. Confirm the vehicle model, year, and brake caliper application before installation to ensure proper fitment. The All Balls brand and part number 18-9038 are molded or marked according to the manufacturer’s specifications for reliable replacement identification.
Features:
- Precision-machined from high-grade 304 stainless steel
- Reduces thermal conductivity by up to 93% compared with aluminum
- Resists corrosion and wear better than original chrome-plated steel or aluminum pistons
- Replaces plastic composite pistons that can become brittle or damaged with age
- Eliminates failure-prone ceramic inserts found on some KTM models
- Includes the piston or pistons required to rebuild one brake caliper
- Fits select Polaris RZR, Ranger, ACE, and Sportsman applications
Fitment:
2003 Polaris Ranger 500 6X6
2004 Polaris Ranger 500 4X4
2004 Polaris Ranger 500 6X6
2004 Polaris Ranger TM
2005 Polaris Ranger 500 2X4
2005 Polaris Ranger 500 4X4
2005 Polaris Ranger 500 6X6
2005 Polaris Ranger 700 4X4
2005 Polaris Ranger TM
2006 Polaris Ranger 500 2X4
2006 Polaris Ranger 500 4X4
2006 Polaris Ranger 500 4X4 EFI
2006 Polaris Ranger 700 4X4
2006 Polaris Ranger 700 6X6
2006 Polaris Ranger TM
2007 Polaris Ranger 500 2X4
2007 Polaris Ranger 500 4X4
2007 Polaris Ranger 500 4X4 EFI
2007 Polaris Ranger 700 4X4
2007 Polaris Ranger 700 6X6
2008 Polaris Ranger 500 2X4
2008 Polaris Ranger 500 4X4 EFI
2008 Polaris Ranger 700 4X4
2008 Polaris Ranger 700 6X6
2009 Polaris Ranger 500 2X4
2009 Polaris Ranger 500 4X4 EFI
2009 Polaris Ranger 700 4X4
2009 Polaris Ranger 700 6X6
2009 Polaris Sportsman XP 550
2009 Polaris Sportsman XP 550 EPS
2010 Polaris Ranger 400 4X4 [Midsize]
2010 Polaris Ranger 500 4X4 EFI
2010 Polaris Ranger 800 4x4
2010 Polaris Ranger EV 4x4 [Midsize]
2010 Polaris RZR 4 800
2010 Polaris Sportsman 550
2010 Polaris Sportsman 550 EPS
2010 Polaris Sportsman Touring 550 EPS
2010 Polaris Sportsman Touring 850 EPS
2010 Polaris Sportsman XP 550
2010 Polaris Sportsman XP 850
2010 Polaris Sportsman XP 850 EPS
2011 Polaris Ranger 400 4X4 [Midsize]
2011 Polaris Ranger 500 4X4 EFI
2011 Polaris Ranger 800 4x4
2011 Polaris Ranger 900 Diesel
2011 Polaris Ranger Crew 500 4x4
2011 Polaris Ranger EV LSV 4x4
2011 Polaris RZR 4 800
2011 Polaris RZR XP 900
2011 Polaris Sportsman 550
2011 Polaris Sportsman 550 EPS
2011 Polaris Sportsman Touring 500 HO
2011 Polaris Sportsman Touring 550 EPS
2011 Polaris Sportsman Touring 850 EPS
2011 Polaris Sportsman XP 850
2011 Polaris Sportsman XP 850 EPS
2012 Polaris Ranger 400 4X4 [Midsize]
2012 Polaris Ranger 500 4X4 EFI
2012 Polaris Ranger 800 HD EPS
2012 Polaris Ranger 900 Diesel
2012 Polaris Ranger Crew 500 4x4
2012 Polaris Ranger EV LSV 4x4
2012 Polaris Ranger XP 800
2012 Polaris RZR 4 800
2012 Polaris RZR XP 900
2012 Polaris Sportsman 550
2012 Polaris Sportsman 550 EPS
2012 Polaris Sportsman Touring 500 HO
2012 Polaris Sportsman Touring 550 EPS
2012 Polaris Sportsman Touring 550 XP EPS
2012 Polaris Sportsman Touring 850 EPS
2012 Polaris Sportsman XP 850
2012 Polaris Sportsman XP 850 EPS
2013 Polaris Brutus HD 900
2013 Polaris Ranger 400 4X4 [Midsize]
2013 Polaris Ranger 500 4x4 EFI [Midsize]
2013 Polaris Ranger 800 4x4
2013 Polaris Ranger 800 4x4 [Midsize]
2013 Polaris Ranger 900 Diesel
2013 Polaris Ranger Crew 500 4x4
2013 Polaris Ranger EV 4x4 [Midsize]
2013 Polaris Ranger XP 900
2013 Polaris RZR 4 800
2013 Polaris RZR XP 900
2013 Polaris Scrambler XP 850
2013 Polaris Scrambler XP 850 EPS
2013 Polaris Sportsman 550
2013 Polaris Sportsman 550 EPS
2013 Polaris Sportsman Touring 500 HO
2013 Polaris Sportsman Touring 550 EPS
2013 Polaris Sportsman Touring 850 EPS
2013 Polaris Sportsman XP 550
2013 Polaris Sportsman XP 850
2013 Polaris Sportsman XP 850 EPS
2014 Polaris Brutus HD 900
2014 Polaris Ranger 400 4X4 [Midsize]
2014 Polaris Ranger 570
2014 Polaris Ranger 570 EPS
2014 Polaris Ranger 800 4x4
2014 Polaris Ranger 800 4x4 [Midsize]
2014 Polaris Ranger 900 Diesel
2014 Polaris Ranger 900 Diesel HST
2014 Polaris Ranger 900 Diesel HST Deluxe
2014 Polaris Ranger Crew 570
2014 Polaris Ranger Crew 570 EPS
2014 Polaris Ranger EV 4x4 [Midsize]
2014 Polaris Ranger XP 900
2014 Polaris RZR 4 800 EPS
2014 Polaris RZR 900
2014 Polaris RZR XP 900
2014 Polaris Scrambler XP 850
2014 Polaris Scrambler XP 850 EPS
2014 Polaris Sportsman 550 EPS
2014 Polaris Sportsman Touring 550 EPS
2014 Polaris Sportsman Touring 850 EPS
2014 Polaris Sportsman XP 550
2014 Polaris Sportsman XP 850 EPS
2015 Polaris Brutus HD 1000
2015 Polaris Ranger 1000 Diesel
2015 Polaris Ranger 1000 Diesel HST
2015 Polaris Ranger 325 ETX [Midsize]
2015 Polaris Ranger 570
2015 Polaris Ranger 570 EPS
2015 Polaris Ranger 570 [Fullsize]
2015 Polaris Ranger Crew 570
2015 Polaris Ranger Crew 570 EPS
2015 Polaris Ranger EV 4x4 [Midsize]
2015 Polaris Ranger XP 900
2015 Polaris Ranger XP 900 EPS
2015 Polaris Scrambler 850
2015 Polaris Sportsman 850 SP
2015 Polaris Sportsman Touring 850 SP
2015 Polaris Sportsman X2 570 EPS
2015 Polaris Sportsman XP 850 EPS
2016 Polaris Brutus HD 1000
2016 Polaris Ranger 1000 Diesel
2016 Polaris Ranger 1000 Diesel HST
2016 Polaris Ranger 325 ETX [Midsize]
2016 Polaris Ranger 570
2016 Polaris Ranger 570 EPS
2016 Polaris Ranger 570 [Fullsize]
2016 Polaris Ranger Crew 570
2016 Polaris Ranger Crew 570-4
2016 Polaris Ranger Crew 570-4 EPS
2016 Polaris Ranger EV 4x4 [Midsize]
2016 Polaris Ranger EV Li-Ion 4x4 [Midsize]
2016 Polaris Ranger XP 570
2016 Polaris Ranger XP 900
2016 Polaris Ranger XP 900 EPS
2016 Polaris Ranger XP 900 High Lifter Edition EPS
2016 Polaris Scrambler 850
2016 Polaris Sportsman 850 High Lifter Edition
2016 Polaris Sportsman 850 SP
2016 Polaris Sportsman Touring 850 SP
2016 Polaris Sportsman X2 570 EPS
2016 Polaris Sportsman XP 1000 High Lifter Edition EPS
2017 Polaris ACE 500
2017 Polaris ACE 570
2017 Polaris Ace 570 HD
2017 Polaris ACE 570 Sp
2017 Polaris Brutus HD 1000
2017 Polaris Ranger 1000 Diesel
2017 Polaris Ranger 1000 Diesel HST
2017 Polaris Ranger 500
2017 Polaris Ranger 500 ETX [Midsize]
2017 Polaris Ranger 570
2017 Polaris Ranger 570 EPS
2017 Polaris Ranger 570 [Fullsize]
2017 Polaris Ranger Crew 570
2017 Polaris Ranger Crew 570-4
2017 Polaris Ranger Crew 570-4 EPS
2017 Polaris Ranger EV 4x4 [Midsize]
2017 Polaris Ranger EV Li-Ion 4x4 [Midsize]
2017 Polaris Ranger XP 1000
2017 Polaris Ranger XP 1000 EPS
2017 Polaris Ranger XP 1000 EPS Hunter Edition
2017 Polaris Ranger XP 1000 EPS Ranch Edition
2017 Polaris Ranger XP 1000 High Lifter Edition EPS
2017 Polaris Ranger XP 1000 Northstar
2017 Polaris Ranger XP 1000 Northstar HVAC
2017 Polaris Ranger XP 900
2017 Polaris RZR XP 1000 High Lifter Edition EPS
2017 Polaris Scrambler 850
2017 Polaris Sportsman 570 6x6
2017 Polaris Sportsman 570 6x6 Tractor
2017 Polaris Sportsman 6X6 570 EPS
2017 Polaris Sportsman 850 High Lifter Edition
2017 Polaris Sportsman 850 SP
2017 Polaris Sportsman Touring 850 SP
2017 Polaris Sportsman X2 570 EPS
2017 Polaris Sportsman XP 1000 High Lifter Edition EPS
2018 Polaris ACE 500
2018 Polaris ACE 570 EPS
2018 Polaris Ace 570 HD
2018 Polaris Brutus HD 1000
2018 Polaris Ranger 1000 Diesel
2018 Polaris Ranger 1000 EPS
2018 Polaris Ranger 500
2018 Polaris Ranger 570
2018 Polaris Ranger 570 EPS
2018 Polaris Ranger 570 [Fullsize]
2018 Polaris Ranger Crew 570
2018 Polaris Ranger Crew 570-4
2018 Polaris Ranger Crew 570-4 EPS
2018 Polaris Ranger Crew XP 1000 EPS
2018 Polaris Ranger Crew XP 900
2018 Polaris Ranger EV 4x4 [Midsize]
2018 Polaris Ranger EV Li-Ion 4x4 [Midsize]
2018 Polaris Ranger XP 1000 EPS
2018 Polaris Ranger XP 900
2018 Polaris Ranger XP 900 EPS
2018 Polaris Scrambler 850
2018 Polaris Sportsman 570 6x6
2018 Polaris Sportsman 570 6x6 Tractor
2018 Polaris Sportsman 570 EFI HD
2018 Polaris Sportsman 570 Utility Edition EPS
2018 Polaris Sportsman 6X6 570 EPS
2018 Polaris Sportsman 850 High Lifter Edition
2018 Polaris Sportsman 850 SP
2018 Polaris Sportsman Touring 850 SP
2018 Polaris Sportsman X2 570 EPS
2018 Polaris Sportsman XP 1000 High Lifter Edition EPS
2019 Polaris ACE 500
2019 Polaris Ace 570 HD
2019 Polaris Ranger 1000 EPS
2019 Polaris Ranger 500
2019 Polaris Ranger 570
2019 Polaris Ranger 570 EPS
2019 Polaris Ranger 570 HD EPS
2019 Polaris Ranger 570 [Fullsize]
2019 Polaris Ranger 900 Diesel Tractor
2019 Polaris Ranger Crew 570
2019 Polaris Ranger Crew 570-4 EPS
2019 Polaris Ranger EV 4x4 [Midsize]
2019 Polaris Ranger XP 1000 EPS
2019 Polaris Ranger XP 1000 Premium
2019 Polaris Ranger XP 900
2019 Polaris Ranger XP 900 EPS
2019 Polaris RZR XP 4 Turbo S
2019 Polaris Scrambler 850
2019 Polaris Sportsman 570 6x6
2019 Polaris Sportsman 570 Utility Edition EPS
2019 Polaris Sportsman 6X6 570 EPS
2019 Polaris Sportsman 850 High Lifter Edition
2019 Polaris Sportsman 850 SP
2019 Polaris Sportsman Touring 850 SP
2019 Polaris Sportsman X2 570 EPS
2019 Polaris Sportsman XP 1000 High Lifter Edition EPS
2020 Polaris General XP 1000 Deluxe
2020 Polaris Ranger 1000
2020 Polaris Ranger 1000 EPS
2020 Polaris Ranger 1000 EPS Camo
2020 Polaris Ranger 1000 EPS [Fullsize]
2020 Polaris Ranger 1000 Premium
2020 Polaris Ranger 1000 Premium + Winter Prep
2020 Polaris Ranger 500
2020 Polaris Ranger 570
2020 Polaris Ranger 570 EPS
2020 Polaris Ranger 570 [Fullsize]
2020 Polaris Ranger 900 Diesel Tractor
2020 Polaris Ranger Crew 570
2020 Polaris Ranger Crew 570-4 EPS
2020 Polaris Ranger EV 4x4 [Midsize]
2020 Polaris Ranger XP 1000 EPS
2020 Polaris Ranger XP 1000 Northstar
2020 Polaris Ranger XP 1000 Premium
2020 Polaris Ranger XP 1000 Texas Edition
2020 Polaris Scrambler 850
2020 Polaris Scrambler XP 1000 S
2020 Polaris Sportsman 570 6x6
2020 Polaris Sportsman 6X6 570 EPS
2020 Polaris Sportsman 850 High Lifter Edition
2020 Polaris Sportsman 850 Ultimate Trail
2020 Polaris Sportsman Touring 850 SP
2020 Polaris Sportsman X2 570 EPS
2020 Polaris Sportsman XP 1000 High Lifter Edition EPS
2020 Polaris Sportsman XP 1000 S
2021 Polaris General XP 1000 Deluxe
2021 Polaris General XP 1000 Factory Custom Edition
2021 Polaris Ranger 1000 EPS
2021 Polaris Ranger 1000 Premium
2021 Polaris Ranger 500
2021 Polaris Ranger 570
2021 Polaris Ranger 570 Premium
2021 Polaris Ranger 570 [Fullsize]
2021 Polaris Ranger 900 Diesel Tractor
2021 Polaris Ranger Crew 570
2021 Polaris Ranger Crew 570 Premium
2021 Polaris Ranger EV 4x4 [Midsize]
2021 Polaris Ranger XP 1000 Northstar
2021 Polaris Ranger XP 1000 Premium
2021 Polaris Ranger XP 1000 Texas Edition
2021 Polaris Scrambler 850
2021 Polaris Scrambler XP 1000 S
2021 Polaris Sportsman 570 6x6
2021 Polaris Sportsman 6X6 570 EPS
2021 Polaris Sportsman 850
2021 Polaris Sportsman 850 High Lifter Edition
2021 Polaris Sportsman 850 Premium
2021 Polaris Sportsman 850 Ultimate Trail
2021 Polaris Sportsman Touring 850 EPS
2021 Polaris Sportsman X2 570 EPS
2021 Polaris Sportsman XP 1000 High Lifter Edition EPS
2021 Polaris Sportsman XP 1000 S
2022 Polaris General XP 1000 Deluxe
2022 Polaris PRO XD Full Size Diesel
2022 Polaris PRO XD Full Size Gas
2022 Polaris Pro XD Mid-Size Gas
2022 Polaris Pro XD Mid-Size Gas Crew
2022 Polaris Ranger 1000 EPS
2022 Polaris Ranger 1000 Premium
2022 Polaris Ranger 500
2022 Polaris Ranger 570 [Fullsize]
2022 Polaris Ranger 900 Diesel Tractor
2022 Polaris Ranger Crew SP 570
2022 Polaris Ranger Crew SP 570 NorthStar Edition
2022 Polaris Ranger Crew SP 570 Premium
2022 Polaris Ranger EV 4x4 [Midsize]
2022 Polaris Ranger SP 570
2022 Polaris Ranger SP 570 NorthStar Edition
2022 Polaris Ranger SP 570 Premium
2022 Polaris Ranger XP 1000 High Lifter Edition EPS
2022 Polaris Ranger XP 1000 Northstar
2022 Polaris Scrambler 850
2022 Polaris Scrambler XP 1000 S
2022 Polaris Sportsman 570 6x6
2022 Polaris Sportsman 6X6 570 EPS
2022 Polaris Sportsman 850
2022 Polaris Sportsman 850 High Lifter Edition
2022 Polaris Sportsman 850 Premium
2022 Polaris Sportsman 850 Ultimate Trail
2022 Polaris Sportsman Touring 850 EPS
2022 Polaris Sportsman XP 1000 High Lifter Edition EPS
2022 Polaris Sportsman XP 1000 S
2023 Polaris General XP 1000 Premium
2023 Polaris General XP 1000 Sport
2023 Polaris General XP 1000 Ultimate
2023 Polaris PRO XD Full Size Diesel
2023 Polaris PRO XD Full Size Gas
2023 Polaris Pro XD Mid-Size Gas Crew
2023 Polaris Ranger 1000 EPS
2023 Polaris Ranger 1000 Premium
2023 Polaris Ranger 570 [Fullsize]
2023 Polaris Ranger Crew SP 570
2023 Polaris Ranger Crew SP 570 NorthStar Edition
2023 Polaris Ranger SP 570
2023 Polaris Ranger SP 570 NorthStar Edition
2023 Polaris Ranger SP 570 Premium
2023 Polaris Ranger XP 1000 Northstar
2023 Polaris Scrambler 850
2023 Polaris Sportsman 570 6x6
2023 Polaris Sportsman 6X6 570 EPS
2023 Polaris Sportsman 850
2023 Polaris Sportsman 850 High Lifter Edition
2023 Polaris Sportsman 850 Ultimate Trail
2023 Polaris Sportsman Touring 850 EPS
2023 Polaris Sportsman XP 1000 High Lifter Edition EPS
2023 Polaris Sportsman XP 1000 S
2024 Polaris General XP 1000 Premium
2024 Polaris General XP 1000 Sport
2024 Polaris General XP 1000 Ultimate
2024 Polaris PRO XD Full Size Diesel
2024 Polaris PRO XD Full Size Gas
2024 Polaris Pro XD Mid-Size Gas Crew
2024 Polaris Ranger 1000
2024 Polaris Ranger 1000 EPS
2024 Polaris Ranger 1000 Premium
2024 Polaris Ranger 570 [Fullsize]
2024 Polaris Ranger Crew SP 570
2024 Polaris Ranger Crew SP 570 NorthStar Edition
2024 Polaris Ranger Crew SP 570 Premium
2024 Polaris Ranger SP 570
2024 Polaris Ranger SP 570 NorthStar Edition
2024 Polaris Ranger SP 570 Premium
2024 Polaris Ranger XP 1000 Northstar
2024 Polaris RZR XP 1000 Premium
2024 Polaris RZR XP 1000 Sport
2024 Polaris RZR XP 1000 Ultimate
2024 Polaris Scrambler 850
2024 Polaris Scrambler XP 1000 S
2024 Polaris Sportsman 570 6x6
2024 Polaris Sportsman 850
2024 Polaris Sportsman 850 High Lifter Edition
2024 Polaris Sportsman 850 Premium
2024 Polaris Sportsman 850 Ultimate Trail
2024 Polaris Sportsman Touring 850 EPS
2024 Polaris Sportsman XP 1000 High Lifter Edition EPS
2024 Polaris Sportsman XP 1000 S
2025 Polaris General XP 1000 Premium
2025 Polaris General XP 1000 Sport
2025 Polaris General XP 1000 Ultimate
2025 Polaris PRO XD Full Size Diesel
2025 Polaris PRO XD Full Size Gas
2025 Polaris PRO XD Full Size Kinetic
2025 Polaris Pro XD Mid-Size Gas Crew
2025 Polaris Ranger 1000
2025 Polaris Ranger 1000 EPS
2025 Polaris Ranger 1000 Premium
2025 Polaris Ranger 570 [Fullsize]
2025 Polaris Ranger Crew SP 570
2025 Polaris Ranger Crew SP 570 NorthStar Edition
2025 Polaris Ranger Crew SP 570 Premium
2025 Polaris Ranger SP 570
2025 Polaris Ranger SP 570 NorthStar Edition
2025 Polaris Ranger SP 570 Premium
2025 Polaris Ranger XP 1000 Northstar Premium
2025 Polaris Ranger XP 1000 Northstar Trail Boss
2025 Polaris Ranger XP 1000 Northstar Ultimate
2025 Polaris Ranger XP 1000 Premium
2025 Polaris RZR XP 1000 Premium
2025 Polaris RZR XP 1000 Sport
2025 Polaris RZR XP 1000 Ultimate
2025 Polaris Scrambler 850
2025 Polaris Scrambler XP 1000 S
2025 Polaris Sportsman 570 6x6
2025 Polaris Sportsman 6X6 570 EPS
2025 Polaris Sportsman 850
2025 Polaris Sportsman 850 Mud Edition
2025 Polaris Sportsman 850 Premium
2025 Polaris Sportsman 850 Trail
2025 Polaris Sportsman Touring 570
2025 Polaris Sportsman Touring 570 Premium
2025 Polaris Sportsman Touring 570 Ultimate
2025 Polaris Sportsman Touring 850 EPS
2025 Polaris Sportsman X2 570
2025 Polaris Sportsman XP 1000 Mud
2026 Polaris General XP 1000 Premium
2026 Polaris General XP 1000 Sport
2026 Polaris General XP 1000 Ultimate
2026 Polaris Ranger 1000
2026 Polaris Ranger 1000 Cab
2026 Polaris Ranger 1000 EPS
2026 Polaris Ranger XP 1000 Premium
2026 Polaris RZR XP 1000 Sport
2026 Polaris Scrambler 850
2026 Polaris Scrambler XP 1000 S
2026 Polaris Sportsman 570 6x6
2026 Polaris Sportsman 850
2026 Polaris Sportsman 850 Mud Edition
2026 Polaris Sportsman 850 Premium
2026 Polaris Sportsman 850 Trail
2026 Polaris Sportsman Touring 570
2026 Polaris Sportsman Touring 570 Premium
2026 Polaris Sportsman Touring 570 Ultimate
2026 Polaris Sportsman Touring 850 Premium
2026 Polaris Sportsman X2 570
2026 Polaris Sportsman XP 1000 Mud
2026 Polaris Sportsman XP 1000 S