WOSSNER Piston Kit, 103.92 mm, Polaris, 8951D500

Piston Kit - 103.92 mm - Polaris

The WOSSNER Piston Kit is designed for specified Polaris applications and features a 103.92 mm piston size. Manufacturer part number 8951D500. The kit includes the piston, rings, wrist pin and pin locks.

Designed for improved wrist pin lubrication, the piston incorporates enhanced piston pin oiling slots, radial boss machining and annular grooves. Its lightweight construction and tight piston wall clearance support quieter engine operation. A coated skirt helps reduce friction and improve break-in performance, while ring land treatment is intended to support ring seal and oil control. A double bridged forging design is used where noted.

Fitment includes the 2019 Polaris RZR 570 EPS; 2017 Polaris Sportsman 570 Touring, Sportsman 570 EPS and Sportsman 570 EPS Utility Edition; 2018 and 2019 Polaris ACE 570 EPS; 2021 Polaris Ranger 570; 2017 Polaris Ranger 570 (Mid-Size) EFI; 2022 Polaris Ranger SP 570; and 2024 Polaris Ranger SP 570. Distributor part number: 8951D500. Manufacturer part number: 8951D500.

Features:

• Piston size: 103.92 mm
• Enhanced piston pin oiling slots, radial boss machining and annular grooves support wrist pin lubrication
• Lightweight piston with tight piston wall clearance for quieter engine operation
• Coated skirt helps reduce friction and improve break-in performance
• Ring land treatment supports ring seal and oil control
• Double bridged forging design where noted
• Kit includes piston, rings, wrist pin and pin locks
• Fits specified Polaris RZR, Sportsman, ACE and Ranger 570 applications

Fitment:
2012 Polaris Ranger RZR 570
2013 Polaris RZR 570 4x4
2014 Polaris RZR 570
2014 Polaris Sportsman 570
2014 Polaris Sportsman 570 EPS
2014 Polaris Sportsman 570 Touring
2015 Polaris Ace 570 4x4
2015 Polaris ACE 570 Sp
2015 Polaris RZR 570
2015 Polaris Sportsman 570
2015 Polaris Sportsman 570 EPS
2015 Polaris Sportsman 570 SP
2015 Polaris Sportsman 570 SP Hunters Edition
2015 Polaris Sportsman 570 SP LE 4x4
2015 Polaris Sportsman 570 Touring
2015 Polaris Sportsman 570 Touring EPS
2015 Polaris Sportsman 570 Touring SP
2016 Polaris ACE
2016 Polaris ACE 570 Sp
2016 Polaris Ranger 570
2016 Polaris Ranger 570 (Mid-Size) EFI
2016 Polaris Ranger 570 (Mid-Size) EPS
2016 Polaris Ranger 570 EPS
2016 Polaris Ranger 570 EPS Full-Size
2016 Polaris Ranger 570 EPS Hunter Edition
2016 Polaris Ranger 570 Full-Size
2016 Polaris RZR 570
2016 Polaris Sportsman 570
2016 Polaris Sportsman 570 EPS
2016 Polaris Sportsman 570 SP
2016 Polaris Sportsman 570 SP Hunters Edition
2016 Polaris Sportsman 570 Touring
2016 Polaris Sportsman 570 Touring EPS
2016 Polaris Sportsman 570 Touring SP
2017 Polaris ACE 570
2017 Polaris ACE 570 Sp
2017 Polaris Ranger 570
2017 Polaris Ranger 570 (Mid-Size) EFI
2017 Polaris Ranger 570 (Mid-Size) EPS
2017 Polaris Ranger 570 EPS
2017 Polaris Ranger 570 Full-Size
2017 Polaris RZR 570
2017 Polaris RZR 570 EPS
2017 Polaris RZR S 570 EPS
2017 Polaris Sportsman 570
2017 Polaris Sportsman 570 EPS
2017 Polaris Sportsman 570 EPS Utility Edition
2017 Polaris Sportsman 570 SP
2017 Polaris Sportsman 570 SP Hunters Edition
2017 Polaris Sportsman 570 Touring
2017 Polaris Sportsman 570 Touring EPS
2017 Polaris Sportsman 570 Touring SP
2018 Polaris ACE 570 EPS
2018 Polaris ACE 570 Sp
2018 Polaris Ranger 570
2018 Polaris Ranger 570 (Mid-Size) EFI
2018 Polaris Ranger 570 (Mid-Size) EPS
2018 Polaris Ranger 570 EPS
2018 Polaris Ranger 570 Full-Size
2018 Polaris RZR 570
2018 Polaris RZR 570 EPS
2018 Polaris Sportsman 570
2018 Polaris Sportsman 570 EPS
2018 Polaris Sportsman 570 EPS Utility Edition
2018 Polaris Sportsman 570 SP
2018 Polaris Sportsman 570 SP Hunters Edition
2018 Polaris Sportsman 570 Touring
2018 Polaris Sportsman 570 Touring EPS
2018 Polaris Sportsman 570 Touring SP
2019 Polaris ACE 570 EPS
2019 Polaris ACE 570 Sp
2019 Polaris Ranger 570
2019 Polaris Ranger 570 (Mid-Size) EFI
2019 Polaris Ranger 570 (Mid-Size) EPS
2019 Polaris Ranger 570 EPS
2019 Polaris Ranger 570 Full-Size
2019 Polaris RZR 570
2019 Polaris RZR 570 EPS
2019 Polaris Sportsman 570
2019 Polaris Sportsman 570 EFI 4x4
2019 Polaris Sportsman 570 EPS
2019 Polaris Sportsman 570 EPS Utility Edition
2019 Polaris Sportsman 570 SP
2019 Polaris Sportsman 570 SP EPS 4x4
2019 Polaris Sportsman 570 SP Hunters Edition
2019 Polaris Sportsman 570 Touring
2019 Polaris Sportsman 570 Touring EPS
2019 Polaris Sportsman 570 Touring SP
2020 Polaris Ranger 570
2020 Polaris Ranger 570 (Mid-Size) EFI
2020 Polaris Ranger 570 (Mid-Size) EPS
2020 Polaris Ranger 570 EPS
2020 Polaris Ranger 570 Full-Size
2020 Polaris RZR 570
2020 Polaris RZR 570 Premium
2020 Polaris Sportsman 570
2020 Polaris Sportsman 570 EPS
2020 Polaris Sportsman 570 Hunter Edition
2020 Polaris Sportsman 570 Premium
2020 Polaris Sportsman 570 Premium LE 4x4
2020 Polaris Sportsman 570 Touring
2020 Polaris Sportsman 570 Touring EPS
2020 Polaris Sportsman 570 Touring Premium
2021 Polaris Ranger 570
2021 Polaris Ranger 570 (Mid-Size) EFI
2021 Polaris Ranger 570 Full-Size
2021 Polaris Ranger 570 Premium
2021 Polaris RZR 570
2021 Polaris RZR 570 Premium
2021 Polaris Sportsman 570
2021 Polaris Sportsman 570 EPS
2021 Polaris Sportsman 570 Hunter Edition
2021 Polaris Sportsman 570 Premium
2021 Polaris Sportsman 570 Touring
2021 Polaris Sportsman 570 Touring EPS
2021 Polaris Sportsman 570 Touring Premium
2021 Polaris Sportsman 570 Trail
2021 Polaris Sportsman 570 Utility HD LE
2022 Polaris Pro XD Mid-Size Gas
2022 Polaris Ranger 570 Full-Size
2022 Polaris Ranger SP 570
2022 Polaris Ranger SP 570 NorthStar Edition
2022 Polaris Ranger SP 570 Premium
2022 Polaris Sportsman 570
2022 Polaris Sportsman 570 EFI 4x4
2022 Polaris Sportsman 570 EPS
2022 Polaris Sportsman 570 EPS Utility Edition
2022 Polaris Sportsman 570 Hunter Edition
2022 Polaris Sportsman 570 Premium
2022 Polaris Sportsman 570 Ride Command Edition 4x4
2022 Polaris Sportsman 570 Ride Command Limited Edition
2022 Polaris Sportsman 570 Touring
2022 Polaris Sportsman 570 Touring EPS
2022 Polaris Sportsman 570 Touring Premium
2022 Polaris Sportsman 570 Trail
2022 Polaris Sportsman 570 Trail Ultimate 4x4
2022 Polaris Sportsman 570 Utility HD
2022 Polaris Sportsman Touring 570 4x4
2023 Polaris Pro XD Mid-Size Gas
2023 Polaris Ranger 570 Full-Size
2023 Polaris Ranger SP 570
2023 Polaris Ranger SP 570 NorthStar Edition
2023 Polaris Ranger SP 570 Premium
2023 Polaris Sportsman 570
2023 Polaris Sportsman 570 EFI 4x4
2023 Polaris Sportsman 570 EPS
2023 Polaris Sportsman 570 Premium
2023 Polaris Sportsman 570 Ride Command Limited Edition
2023 Polaris Sportsman 570 Touring
2023 Polaris Sportsman 570 Touring EPS
2023 Polaris Sportsman 570 Touring Premium
2023 Polaris Sportsman 570 Trail
2023 Polaris Sportsman 570 Utility HD
2024 Polaris Pro XD Mid-Size Gas
2024 Polaris Ranger 570 Full-Size
2024 Polaris Ranger SP 570
2024 Polaris Ranger SP 570 NorthStar Edition
2024 Polaris Ranger SP 570 Premium
2024 Polaris Sportsman 570
2024 Polaris Sportsman 570 EPS
2024 Polaris Sportsman 570 Hunter Edition
2024 Polaris Sportsman 570 Premium
2024 Polaris Sportsman 570 Ride Command Limited Edition
2024 Polaris Sportsman 570 Touring
2024 Polaris Sportsman 570 Touring EPS
2024 Polaris Sportsman 570 Touring Premium
2024 Polaris Sportsman 570 Trail
2024 Polaris Sportsman 570 Utility HD
2025 Polaris Ranger 570 Full-Size
2025 Polaris Ranger SP 570 4x4
2025 Polaris Ranger SP 570 NorthStar Edition
2025 Polaris Ranger SP 570 Premium
2025 Polaris Sportsman 570
2025 Polaris Sportsman 570 EPS
2025 Polaris Sportsman 570 Hunter Edition
2025 Polaris Sportsman 570 Premium
2025 Polaris Sportsman 570 Touring
2025 Polaris Sportsman 570 Touring EPS
2025 Polaris Sportsman 570 Touring Premium
2025 Polaris Sportsman 570 Touring Ultimate
2025 Polaris Sportsman 570 Trail
2025 Polaris Sportsman 570 Ultimate
2025 Polaris Sportsman 570 Utility HD
2026 Polaris Ranger SP 570
2026 Polaris Ranger SP 570 NorthStar Edition
2026 Polaris Ranger SP 570 Premium
2026 Polaris Sportsman 570
2026 Polaris Sportsman 570 Touring
2026 Polaris Sportsman 570 Touring Premium
2026 Polaris Sportsman 570 Touring Ultimate