The Namura NA-50019 Piston Kit is a standard-size replacement piston assembly designed for select Polaris 570 engines. This kit is manufactured for dependable service in powersports applications and is intended to restore proper piston performance when rebuilding or servicing a compatible engine. The piston size is 98.94 mm, equivalent to approximately 3.895 inches.
This Namura piston kit fits the 2013 and 2016 Polaris RZR 570 EPS, 2014–2016 Polaris Ranger 570 EPS, 2015–2016 Polaris Ranger 570 Fullsize, and 2015–2016 Polaris ACE 570. Verify the exact year, model, engine configuration, and required piston size before installation to ensure proper fitment.
Important: The Namura NA-50019 piston kit will not accept OEM piston rings, and the included rings are not compatible with an OEM piston. Use the piston and ring components as a matched set. Professional installation and careful inspection of the cylinder, clearances, wrist pin, and related engine components are recommended during assembly.
Manufacturer part number: NA-50019. Vendor part number: NA-50019. Brand: Namura. This standard-size piston kit is a direct-fit service component for the listed Polaris applications when matched to the appropriate engine specifications.
Features:
- Standard 98.94 mm piston size, approximately 3.895 inches
- Designed for select Polaris 570 engines
- Fits Polaris RZR 570 EPS, Ranger 570, Ranger 570 Fullsize, and ACE 570 applications listed
- Namura manufacturer part number: NA-50019
- Piston and ring components must be used as a matched set
- Will not accept OEM rings, and the rings will not work on an OEM piston
Fitment:
2012 Polaris RZR 570
2013 Polaris RZR 570
2013 Polaris RZR 570 EPS
2014 Polaris Ranger 570
2014 Polaris Ranger 570 EPS
2014 Polaris Ranger 570 [Fullsize]
2014 Polaris Ranger Crew 570
2014 Polaris Ranger Crew 570 EPS [Fullsize]
2014 Polaris Ranger Crew 570 [Fullsize]
2014 Polaris RZR 570
2014 Polaris Sportsman 570
2014 Polaris Sportsman 570 EPS
2014 Polaris Sportsman 570 HD
2014 Polaris Sportsman Touring 570
2015 Polaris ACE 570
2015 Polaris ACE 570 Sp
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 [Fullsize]
2015 Polaris Ranger Crew 570 [Fullsize]
2015 Polaris RZR 570
2015 Polaris RZR 570 Trail EPS
2015 Polaris Sportsman 570
2015 Polaris Sportsman 570 EPS
2015 Polaris Sportsman 570 HD
2015 Polaris Sportsman 570 SP
2015 Polaris Sportsman Touring 570
2015 Polaris Sportsman Touring 570 EPS
2015 Polaris Sportsman Touring 570 SP
2015 Polaris Sportsman X2 570 EPS
2016 Polaris ACE 570
2016 Polaris ACE 570 Sp
2016 Polaris Ranger 570
2016 Polaris Ranger 570 EPS
2016 Polaris Ranger 570 [Fullsize]
2016 Polaris Ranger Crew 570-4
2016 Polaris Ranger Crew 570-4 EPS
2016 Polaris Ranger Crew 570-6
2016 Polaris Ranger Crew XP 570-6
2016 Polaris Ranger Crew XP 570-6 EPS
2016 Polaris Ranger XP 570
2016 Polaris Ranger XP 570 EPS
2016 Polaris RZR 570
2016 Polaris RZR 570 EPS
2016 Polaris RZR 570 Trail EPS
2016 Polaris Sportsman 450 HO
2016 Polaris Sportsman 450 HO EPS
2016 Polaris Sportsman 570
2016 Polaris Sportsman 570 EFI HD
2016 Polaris Sportsman 570 EPS
2016 Polaris Sportsman 570 SP
2016 Polaris Sportsman Touring 570
2016 Polaris Sportsman Touring 570 EPS
2016 Polaris Sportsman Touring 570 SP
2016 Polaris Sportsman X2 570 EPS
2017 Polaris ACE 570
2017 Polaris ACE 570 Sp
2017 Polaris Ranger 570
2017 Polaris Ranger 570 EPS
2017 Polaris Ranger 570 [Fullsize]
2017 Polaris Ranger Crew 570-4
2017 Polaris Ranger Crew 570-4 EPS
2017 Polaris Ranger Crew 570-6
2017 Polaris RZR 570
2017 Polaris RZR 570 EPS
2017 Polaris RZR 570 S EPS
2017 Polaris Sportsman 450 HO
2017 Polaris Sportsman 450 HO EPS
2017 Polaris Sportsman 570
2017 Polaris Sportsman 570 EFI HD
2017 Polaris Sportsman 570 EPS
2017 Polaris Sportsman 570 SP
2017 Polaris Sportsman 6X6 570 EPS
2017 Polaris Sportsman Touring 570
2017 Polaris Sportsman Touring 570 EPS
2017 Polaris Sportsman Touring 570 SP
2017 Polaris Sportsman X2 570 EPS
2018 Polaris ACE 570 EPS
2018 Polaris Ranger 570
2018 Polaris Ranger 570 EPS
2018 Polaris Ranger 570 [Fullsize]
2018 Polaris Ranger Crew 570-4
2018 Polaris Ranger Crew 570-4 EPS
2018 Polaris Ranger Crew 570-6
2018 Polaris RZR 570
2018 Polaris RZR 570 EPS
2018 Polaris Sportsman 450 HO
2018 Polaris Sportsman 450 HO EPS
2018 Polaris Sportsman 570
2018 Polaris Sportsman 570 EFI HD
2018 Polaris Sportsman 570 EPS
2018 Polaris Sportsman 570 SP
2018 Polaris Sportsman 6X6 570 EPS
2018 Polaris Sportsman Touring 570
2018 Polaris Sportsman Touring 570 EPS
2018 Polaris Sportsman Touring 570 SP
2018 Polaris Sportsman X2 570 EPS
2019 Polaris ACE 570 EPS
2019 Polaris Ranger 570
2019 Polaris Ranger 570 EPS
2019 Polaris Ranger 570 [Fullsize]
2019 Polaris Ranger Crew 570-4
2019 Polaris Ranger Crew 570-4 EPS
2019 Polaris Ranger Crew 570-6
2019 Polaris RZR 570
2019 Polaris RZR 570 EPS
2019 Polaris Sportsman 450 HO
2019 Polaris Sportsman 450 HO EPS
2019 Polaris Sportsman 570
2019 Polaris Sportsman 570 EPS
2019 Polaris Sportsman 570 SP
2019 Polaris Sportsman 6X6 570 EPS
2019 Polaris Sportsman Touring 570
2019 Polaris Sportsman Touring 570 EPS
2019 Polaris Sportsman Touring 570 SP
2019 Polaris Sportsman X2 570 EPS
2020 Polaris Ranger 570 [Fullsize]
2020 Polaris Ranger Crew 570-4
2020 Polaris Ranger Crew 570-6
2020 Polaris RZR 570
2020 Polaris Sportsman 570
2020 Polaris Sportsman 570 EPS
2020 Polaris Sportsman 6X6 570 EPS
2020 Polaris Sportsman Touring 570
2020 Polaris Sportsman Touring 570 EPS
2020 Polaris Sportsman X2 570 EPS