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Restore reliable brake caliper performance with the All Balls Brake Caliper Piston Kit, manufacturer part number 18-9042 and vendor part number 21-89042. This replacement kit is precision machined from high-grade 304 stainless steel to provide a durable alternative to original-equipment piston materials. Stainless steel helps reduce thermal conductivity by up to 93% compared with aluminum, supporting consistent operation under demanding riding and utility conditions.
The All Balls 18-9042 kit is designed to replace failure-prone plastic composite, chrome-plated steel, aluminum, and ceramic caliper pistons. Plastic composite pistons can become brittle and damaged with age, while chrome-plated steel and aluminum versions may be susceptible to corrosion. The kit also eliminates the ceramic inserts found in some KTM applications. Each kit contains the piston or pistons required to rebuild one brake caliper.
Fitment includes select Polaris models: 2014 Polaris RZR 900 and Ranger Crew 900 EPS; 2015 Polaris Ranger Crew 900 EPS and Ranger 570 Fullsize; 2016 Polaris Ranger 570 Fullsize, RZR 4 900 EPS, General 1000 EPS, Ranger EV Li-Ion 4x4 Midsize, and Ranger XP 570; and 2013 Polaris RZR XP 4 900 Jagged X. Verify the vehicle year, model, brake caliper application, and original piston configuration before ordering. The All Balls brand is recognized for replacement powersports components engineered to support dependable fit and service.
Features:
- Precision machined from high-grade 304 stainless steel
- Reduces thermal conductivity by up to 93% compared with aluminum
- Replaces plastic composite pistons that can become brittle or damaged with age
- Provides an alternative to corrosion-prone chrome-plated steel and aluminum pistons
- Eliminates failure-prone ceramic inserts found on some KTM models
- Includes the piston or pistons needed to rebuild one brake caliper
- Fits select 2013-2016 Polaris RZR, Ranger, and General UTV models
Fitment:
2008 Polaris Ranger 500 2X4
2008 Polaris Ranger 500 4X4 EFI
2008 Polaris Ranger 700 4X4
2008 Polaris Ranger 700 6X6
2008 Polaris Ranger Crew 700 4x4
2009 Polaris Ranger 500 2X4
2009 Polaris Ranger 500 4X4 EFI
2009 Polaris Ranger 700 4X4
2009 Polaris Ranger 700 6X6
2009 Polaris Ranger Crew 700 4x4
2010 Polaris Ranger 500 4X4 EFI
2010 Polaris Ranger 800 4x4
2010 Polaris Ranger 800 6X6
2010 Polaris Ranger Crew 800 4x4
2010 Polaris Ranger EV 4x4 [Midsize]
2010 Polaris RZR 4 800
2011 Polaris Ranger 800 4x4
2011 Polaris Ranger 800 6X6
2011 Polaris Ranger 900 Diesel
2011 Polaris Ranger Crew 500 4x4
2011 Polaris Ranger Crew 800 4x4
2011 Polaris Ranger EV LSV 4x4
2011 Polaris RZR 4 800
2011 Polaris RZR XP 900
2012 Polaris Ranger 800 6X6
2012 Polaris Ranger 800 HD EPS
2012 Polaris Ranger 900 Diesel
2012 Polaris Ranger Crew 500 4x4
2012 Polaris Ranger Crew 800 4x4
2012 Polaris Ranger Crew 900 Diesel
2012 Polaris Ranger EV LSV 4x4
2012 Polaris Ranger XP 800
2012 Polaris RZR 4 800
2012 Polaris RZR XP 4 900
2012 Polaris RZR XP 900
2013 Polaris Brutus HD 900
2013 Polaris Ranger 800 4x4
2013 Polaris Ranger 800 6X6
2013 Polaris Ranger 900 Diesel
2013 Polaris Ranger Crew 500 4x4
2013 Polaris Ranger Crew 800 4x4
2013 Polaris Ranger Crew 900 Diesel
2013 Polaris Ranger EV 4x4 [Midsize]
2013 Polaris Ranger XP 900
2013 Polaris RZR 4 800
2013 Polaris RZR XP 4 900
2013 Polaris RZR XP 4 900 Jagged X
2013 Polaris RZR XP 900
2014 Polaris Brutus HD 900
2014 Polaris Ranger 4x4 900D HIPPO MPS
2014 Polaris Ranger 800 4x4
2014 Polaris Ranger 800 6X6
2014 Polaris Ranger 900 Diesel
2014 Polaris Ranger 900 Diesel HST
2014 Polaris Ranger 900 Diesel HST Deluxe
2014 Polaris Ranger Crew 800 4x4
2014 Polaris Ranger Crew 900
2014 Polaris Ranger Crew 900 Diesel
2014 Polaris Ranger Crew 900 EPS
2014 Polaris Ranger EV 4x4 [Midsize]
2014 Polaris Ranger XP 900
2014 Polaris RZR 4 800 EPS
2014 Polaris RZR 4 900 EPS
2014 Polaris RZR 900
2014 Polaris RZR XP 1000
2014 Polaris RZR XP 1000 EPS
2014 Polaris RZR XP 4 1000 EPS
2014 Polaris RZR XP 4 900
2014 Polaris RZR XP 900
2015 Polaris Brutus HD 1000
2015 Polaris Ranger 1000 Diesel
2015 Polaris Ranger 1000 Diesel HST
2015 Polaris Ranger 570 [Fullsize]
2015 Polaris Ranger 800 6X6
2015 Polaris Ranger Crew 1000 Diesel
2015 Polaris Ranger Crew 570 [Fullsize]
2015 Polaris Ranger Crew 900
2015 Polaris Ranger Crew 900 EPS
2015 Polaris Ranger EV 4x4 [Midsize]
2015 Polaris Ranger XP 900
2015 Polaris Ranger XP 900 EPS
2015 Polaris RZR 4 900 EPS
2015 Polaris RZR XP 1000
2015 Polaris RZR XP 1000 EPS
2015 Polaris RZR XP 1000 High Lifter Edition EPS
2015 Polaris RZR XP 4 1000 EPS
2016 Polaris Brutus HD 1000
2016 Polaris General 1000 EPS
2016 Polaris Ranger 1000 Diesel
2016 Polaris Ranger 1000 Diesel HST
2016 Polaris Ranger 570 [Fullsize]
2016 Polaris Ranger 800 6X6
2016 Polaris Ranger Crew 1000 Diesel
2016 Polaris Ranger Crew 570-6
2016 Polaris Ranger Crew 900
2016 Polaris Ranger Crew XP 570-6 EPS
2016 Polaris Ranger Crew XP 900-5
2016 Polaris Ranger Crew XP 900-5 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 RZR 4 900 EPS
2016 Polaris RZR XP 1000
2016 Polaris RZR XP 1000 High Lifter Edition EPS
2016 Polaris RZR XP 4 1000 EPS
2017 Polaris Brutus HD 1000
2017 Polaris General 1000 EPS
2017 Polaris General 4 1000 EPS
2017 Polaris Ranger 1000 Diesel
2017 Polaris Ranger 1000 Diesel HST
2017 Polaris Ranger 570 [Fullsize]
2017 Polaris Ranger Crew 1000 Diesel
2017 Polaris Ranger Crew 570-6
2017 Polaris Ranger Crew 900
2017 Polaris Ranger Crew XP 1000
2017 Polaris Ranger Crew XP 1000 EPS
2017 Polaris Ranger Crew XP 1000 EPS Hunter Edition
2017 Polaris Ranger Crew XP 1000 High Lifter Edition EPS
2017 Polaris Ranger Crew XP 1000 Northstar Edition EPS
2017 Polaris Ranger Crew XP 1000 Northstar HVAC Edition EPS
2017 Polaris Ranger Crew XP 900
2017 Polaris Ranger Crew XP 900 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 4 900 EPS
2017 Polaris RZR XP 1000
2017 Polaris RZR XP 1000 High Lifter Edition EPS
2017 Polaris RZR XP 1000 LE Velocity Blue EPS
2017 Polaris RZR XP 1000 Ride Command EPS
2017 Polaris RZR XP 4 1000 EPS
2017 Polaris RZR XP 4 1000 High Lifter Edition EPS
2018 Polaris Brutus HD 1000
2018 Polaris General 1000 Deluxe EPS
2018 Polaris General 1000 EPS
2018 Polaris General 1000 EPS Hunter Edition
2018 Polaris General 1000 Premium EPS
2018 Polaris General 1000 Ride Command Edition EPS
2018 Polaris General 4 1000 EPS
2018 Polaris General 4 1000 Ride Command Edition EPS
2018 Polaris Ranger 1000 Diesel
2018 Polaris Ranger 1000 EPS
2018 Polaris Ranger 570 [Fullsize]
2018 Polaris Ranger Crew 1000 Diesel
2018 Polaris Ranger Crew 570-6
2018 Polaris Ranger Crew XP 1000 EPS
2018 Polaris Ranger Crew XP 1000 High Lifter Edition EPS
2018 Polaris Ranger Crew XP 1000 Northstar Edition EPS
2018 Polaris Ranger Crew XP 1000 Northstar HVAC Edition 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 RZR 1000 RS1
2018 Polaris RZR 4 900 EPS
2018 Polaris RZR S4 900 EPS
2018 Polaris RZR XP 1000
2018 Polaris RZR XP 1000 EPS
2018 Polaris RZR XP 1000 High Lifter Edition EPS
2018 Polaris RZR XP 1000 Ride Command EPS
2018 Polaris RZR XP 1000 Trails & Rocks EPS
2018 Polaris RZR XP 4 1000 EPS
2018 Polaris RZR XP 4 1000 High Lifter Edition EPS
2018 Polaris RZR XP 4 1000 Ride Command Edition EPS
2019 Polaris General 1000 Deluxe EPS
2019 Polaris General 1000 EPS
2019 Polaris General 1000 EPS Hunter Edition
2019 Polaris General 1000 LE EPS
2019 Polaris General 1000 Premium EPS
2019 Polaris General 1000 Ride Command Edition EPS
2019 Polaris General 4 1000 EPS
2019 Polaris General 4 1000 Ride Command Edition EPS
2019 Polaris Ranger 1000 EPS
2019 Polaris Ranger 570 [Fullsize]
2019 Polaris Ranger 900 Diesel Tractor
2019 Polaris Ranger Crew 570-6
2019 Polaris Ranger Crew 900
2019 Polaris Ranger Crew XP 1000 EPS
2019 Polaris Ranger Crew XP 1000 High Lifter Edition EPS
2019 Polaris Ranger Crew XP 1000 Northstar Edition EPS
2019 Polaris Ranger Crew XP 900
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 1000 RS1
2019 Polaris RZR S4 1000 EPS
2019 Polaris RZR XP 1000
2019 Polaris RZR XP 1000 Dynamix
2019 Polaris RZR XP 1000 EPS
2019 Polaris RZR XP 1000 High Lifter Edition EPS
2019 Polaris RZR XP 1000 Ride Command EPS
2019 Polaris RZR XP 1000 Trails & Rocks EPS
2019 Polaris RZR XP 4 1000 Dynamix
2019 Polaris RZR XP 4 1000 EPS
2019 Polaris RZR XP 4 1000 High Lifter Edition EPS
2019 Polaris RZR XP 4 1000 Ride Command Edition EPS
2020 Polaris General 1000 Deluxe EPS
2020 Polaris General 1000 Deluxe Ride Command Edition
2020 Polaris General 1000 Premium EPS
2020 Polaris General 1000 Sport
2020 Polaris General 4 1000 EPS
2020 Polaris General 4 1000 Ride Command 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 570 [Fullsize]
2020 Polaris Ranger 900 Diesel Tractor
2020 Polaris Ranger Crew 1000 EPS
2020 Polaris Ranger Crew 1000 EPS (Full Size)
2020 Polaris Ranger Crew 1000 EPS Camo
2020 Polaris Ranger Crew 1000 Premium
2020 Polaris Ranger Crew 570-6
2020 Polaris Ranger Crew XP 1000 EPS
2020 Polaris Ranger Crew XP 1000 High Lifter Edition EPS
2020 Polaris Ranger Crew XP 1000 Northstar Edition EPS
2020 Polaris Ranger Crew XP 1000 Premium EPS
2020 Polaris Ranger Crew XP 1000 Texas Edition 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 RZR 1000 RS1
2020 Polaris RZR Pro XP 4 Ultimate
2020 Polaris RZR Pro XP Premium
2020 Polaris RZR S4 1000 EPS
2020 Polaris RZR XP 1000
2020 Polaris RZR XP 1000 EPS
2020 Polaris RZR XP 1000 High Lifter Edition EPS
2020 Polaris RZR XP 1000 LE
2020 Polaris RZR XP 1000 Premium
2020 Polaris RZR XP 1000 Trails & Rocks EPS
2020 Polaris RZR XP 4 1000 EPS
2020 Polaris RZR XP 4 1000 High Lifter Edition EPS
2021 Polaris General 1000 Deluxe EPS
2021 Polaris General 1000 Premium EPS
2021 Polaris General 1000 Sport
2021 Polaris General 4 1000 Deluxe
2021 Polaris General 4 1000 Premium
2021 Polaris General XP 1000 Deluxe
2021 Polaris Ranger 1000 EPS
2021 Polaris Ranger 1000 Premium
2021 Polaris Ranger 570 [Fullsize]
2021 Polaris Ranger 900 Diesel Tractor
2021 Polaris Ranger Crew 1000
2021 Polaris Ranger Crew 1000 Premium
2021 Polaris Ranger Crew 570 [Fullsize]
2021 Polaris Ranger Crew XP 1000 High Lifter Edition EPS
2021 Polaris Ranger Crew XP 1000 Northstar Edition EPS
2021 Polaris Ranger Crew XP 1000 Premium EPS
2021 Polaris Ranger Crew XP 1000 Texas Edition EPS
2021 Polaris Ranger Crew XP 1000 Trail Boss EPS
2021 Polaris Ranger EV 4x4 [Midsize]
2021 Polaris Ranger XP 1000 EPS
2021 Polaris Ranger XP 1000 Northstar
2021 Polaris Ranger XP 1000 Premium
2021 Polaris Ranger XP 1000 Texas Edition
2021 Polaris Ranger XP 1000 Trail Boss
2021 Polaris RZR 1000 RS1
2021 Polaris RZR XP 1000 High Lifter Edition EPS
2021 Polaris RZR XP 1000 Premium
2021 Polaris RZR XP 1000 Sport
2021 Polaris RZR XP 1000 Trails & Rocks EPS
2021 Polaris RZR XP 4 1000 High Lifter Edition EPS
2021 Polaris RZR XP 4 1000 Premium
2021 Polaris RZR XP 4 1000 Sport
2022 Polaris General 1000 Deluxe EPS
2022 Polaris General 1000 Premium EPS
2022 Polaris General 1000 Sport
2022 Polaris General 4 1000 Deluxe Ride Command Edition
2022 Polaris General 4 1000 Premium
2022 Polaris General XP 1000 Deluxe
2022 Polaris PRO XD Full Size Diesel
2022 Polaris PRO XD Full Size Diesel Crew
2022 Polaris PRO XD Full Size Gas
2022 Polaris PRO XD Full Size Gas Crew
2022 Polaris Ranger 1000 EPS
2022 Polaris Ranger 1000 Premium
2022 Polaris Ranger 570 [Fullsize]
2022 Polaris Ranger 900 Diesel Tractor
2022 Polaris Ranger Crew 1000
2022 Polaris Ranger Crew 1000 Premium
2022 Polaris Ranger Crew 570 [Fullsize]
2022 Polaris Ranger Crew XP 1000 High Lifter Edition EPS
2022 Polaris Ranger Crew XP 1000 Northstar Edition EPS
2022 Polaris Ranger Crew XP 1000 Premium EPS
2022 Polaris Ranger Crew XP 1000 Texas Edition EPS
2022 Polaris Ranger Crew XP 1000 Trail Boss EPS
2022 Polaris Ranger EV 4x4 [Midsize]
2022 Polaris Ranger XP 1000 High Lifter Edition EPS
2022 Polaris Ranger XP 1000 Northstar
2022 Polaris Ranger XP 1000 Premium
2022 Polaris Ranger XP 1000 Trail Boss
2022 Polaris RZR 1000 RS1
2022 Polaris RZR Pro R 4 Premium
2022 Polaris RZR Pro R 4 Sport
2022 Polaris RZR Pro R 4 Ultimate
2022 Polaris RZR Pro R 4 Ultimate Launch Edition
2022 Polaris RZR Pro R Premium
2022 Polaris RZR Pro R Sport
2022 Polaris RZR Pro R Ultimate
2022 Polaris RZR Pro R Ultimate Launch Edition
2022 Polaris RZR XP 1000 High Lifter Edition EPS
2022 Polaris RZR XP 1000 Premium
2022 Polaris RZR XP 1000 Sport
2022 Polaris RZR XP 1000 Trails & Rocks EPS
2022 Polaris RZR XP 4 1000 High Lifter Edition EPS
2022 Polaris RZR XP 4 1000 Premium
2022 Polaris RZR XP 4 1000 Sport
2023 Polaris General 1000 Premium EPS
2023 Polaris General 1000 Sport
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 Diesel Crew
2023 Polaris PRO XD Full Size Gas
2023 Polaris PRO XD Full Size Gas Crew
2023 Polaris Pro XD Mid-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 1000 EPS (Full Size)
2023 Polaris Ranger Crew 1000 Premium
2023 Polaris Ranger Crew 570 [Fullsize]
2023 Polaris Ranger Crew 570-6
2023 Polaris Ranger Crew XP 1000 Northstar Edition EPS
2023 Polaris Ranger Crew XP 1000 Premium EPS
2023 Polaris Ranger Crew XP 1000 Texas Edition EPS
2023 Polaris Ranger Crew XP 1000 Trail Boss EPS
2023 Polaris Ranger XP 1000 Northstar
2023 Polaris Ranger XP 1000 Premium
2023 Polaris Ranger XP 1000 Trail Boss
2023 Polaris RZR Pro R 4 Premium
2023 Polaris RZR Pro R 4 Ultimate
2023 Polaris RZR XP 1000 Premium
2023 Polaris RZR XP 1000 Sport
2023 Polaris RZR XP 4 1000 Premium
2023 Polaris RZR XP 4 1000 Sport
2024 Polaris General 1000 Premium EPS
2024 Polaris General 1000 Sport
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 Diesel Crew
2024 Polaris PRO XD Full Size Gas
2024 Polaris PRO XD Full Size Gas Crew
2024 Polaris Pro XD Mid-Size Gas Crew
2024 Polaris Ranger 570 [Fullsize]
2024 Polaris Ranger Crew 1000
2024 Polaris Ranger Crew 1000 EPS (Full Size)
2024 Polaris Ranger Crew 1000 Premium
2024 Polaris Ranger Crew 570 [Fullsize]
2024 Polaris Ranger Crew 570-6
2024 Polaris Ranger Crew XP 1000 Northstar Edition EPS
2024 Polaris Ranger Crew XP 1000 Premium EPS
2024 Polaris Ranger Crew XP 1000 Texas Edition EPS
2024 Polaris Ranger Crew XP 1000 Trail Boss EPS
2024 Polaris Ranger XP 1000 Northstar
2024 Polaris Ranger XP 1000 Premium
2024 Polaris Ranger XP 1000 Trail Boss
2024 Polaris RZR Pro R 4 Premium
2024 Polaris RZR Pro R 4 Ultimate
2024 Polaris RZR Turbo R 4 Premium
2024 Polaris RZR Turbo R 4 Ultimate
2024 Polaris RZR XP 1000 Premium
2024 Polaris RZR XP 1000 Sport
2024 Polaris RZR XP 1000 Ultimate
2024 Polaris RZR XP 4 1000 Premium
2024 Polaris RZR XP 4 1000 Ultimate
2025 Polaris General 1000 Premium EPS
2025 Polaris General 1000 Sport
2025 Polaris General 4 1000 Sport
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 Diesel Crew
2025 Polaris PRO XD Full Size Gas
2025 Polaris PRO XD Full Size Gas Crew
2025 Polaris Pro XD Mid-Size Gas Crew
2025 Polaris Ranger 570 [Fullsize]
2025 Polaris Ranger Crew 570 [Fullsize]
2025 Polaris Ranger Crew 570-6
2025 Polaris RZR Pro R 4 Factory-Armored Edition
2025 Polaris RZR Pro R 4 Race Replica Edition
2025 Polaris RZR Pro R 4 Sport
2025 Polaris RZR Pro R 4 Ultimate
2025 Polaris RZR Pro S 4 Premium
2025 Polaris RZR Pro S 4 Sport
2025 Polaris RZR Pro S 4 Ultimate
2025 Polaris RZR Pro XP 4 Premium
2025 Polaris RZR Pro XP 4 Sport
2025 Polaris RZR Pro XP 4 Ultimate
2025 Polaris RZR Pro XP Premium
2025 Polaris RZR Pro XP Sport
2025 Polaris RZR Pro XP Ultimate
2025 Polaris RZR XP 1000 Premium
2025 Polaris RZR XP 1000 Sport
2025 Polaris RZR XP 1000 Ultimate
2025 Polaris RZR XP 4 1000 Premium
2025 Polaris RZR XP 4 1000 Sport
2025 Polaris RZR XP 4 1000 Ultimate
2026 Polaris General 1000 Premium EPS
2026 Polaris General 1000 Sport
2026 Polaris General XP 1000 Premium
2026 Polaris General XP 1000 Sport
2026 Polaris General XP 1000 Ultimate
2026 Polaris RZR XP 1000 Sport
2026 Polaris RZR XP S 4 1000 Sport