The Namura NA-50083 Piston Kit is designed for select Polaris off-road vehicles and features an 81.95 mm bore size. This replacement piston kit is engineered for reliable fitment in compatible Polaris Ranger, RZR, and Scrambler applications. The kit is intended for use with the specified Namura piston and does not accept OEM piston rings; OEM rings are not compatible with the OEM piston when using this application.
Fitment includes the 2013–2014 Polaris Ranger 800 4x4 EPS, 2014 Ranger 800 4x4 EPS Midsize, 2013–2014 Polaris RZR 800 EPS, 2013–2014 Polaris RZR 800 S EPS, and 2015–2017 Polaris Scrambler 850. Verify the engine configuration and application before installation to ensure compatibility. The Namura manufacturer part number and vendor part number are both NA-50083.
Built as a replacement piston solution for compatible Polaris engines, this Namura kit supports service and rebuild work where the correct bore specification and application-specific components are required. Professional installation and inspection of related engine components are recommended during assembly.
Features:
- Brand: Namura
- Manufacturer part number: NA-50083
- Vendor part number: NA-50083
- Product type: Replacement piston kit
- Bore size: 81.95 mm
- Compatibility: Does not accept OEM rings, and the rings are not compatible with the OEM piston
- Fitment: 2013–2014 Polaris Ranger 800 4x4 EPS
- Fitment: 2014 Polaris Ranger 800 4x4 EPS Midsize
- Fitment: 2013–2014 Polaris RZR 800 EPS
- Fitment: 2013–2014 Polaris RZR 800 S EPS
- Fitment: 2015–2017 Polaris Scrambler 850
Fitment:
2005 Polaris Sportsman 800 EFI
2006 Polaris Sportsman 800 EFI
2007 Polaris Sportsman 800 EFI
2007 Polaris Sportsman X2 800 Deluxe
2007 Polaris Sportsman X2 800 EFI
2008 Polaris RZR 800
2008 Polaris Sportsman 800 EFI
2008 Polaris Sportsman Touring 800
2008 Polaris Sportsman X2 800 EFI
2009 Polaris RZR 800
2009 Polaris RZR 800 S
2009 Polaris Sportsman 800 EFI
2009 Polaris Sportsman Big Boss 6X6 800
2009 Polaris Sportsman Touring 800
2009 Polaris Sportsman X2 800 EFI
2010 Polaris Ranger 800 4x4
2010 Polaris Ranger 800 HD
2010 Polaris Ranger Crew 800 4x4
2010 Polaris Ranger Crew 800 4x4 EPS
2010 Polaris Ranger XP 800
2010 Polaris Ranger XP 800 EPS
2010 Polaris RZR 800
2010 Polaris RZR 800 S
2010 Polaris Sportsman 800 EFI
2010 Polaris Sportsman Big Boss 6X6 800
2011 Polaris Ranger 800 4x4
2011 Polaris Ranger 800 6X6
2011 Polaris Ranger 800 HD
2011 Polaris Ranger 800 HD EPS
2011 Polaris Ranger Crew 800 4x4
2011 Polaris Ranger Crew 800 4x4 EPS
2011 Polaris Ranger XP 800
2011 Polaris Ranger XP 800 EPS
2011 Polaris RZR 800
2011 Polaris RZR 800 S
2011 Polaris Sportsman 800 EFI
2011 Polaris Sportsman Big Boss 6X6 800
2012 Polaris Ranger 800 6X6
2012 Polaris Ranger 800 HD EPS
2012 Polaris Ranger Crew 800 4x4
2012 Polaris Ranger Crew 800 4x4 EPS
2012 Polaris Ranger XP 800
2012 Polaris Ranger XP 800 EPS
2012 Polaris RZR 800
2012 Polaris RZR 800 S
2012 Polaris Sportsman 800 EFI
2012 Polaris Sportsman Big Boss 6X6 800
2013 Polaris Ranger 800 4x4
2013 Polaris Ranger 800 4x4 EPS
2013 Polaris Ranger 800 4x4 [Midsize]
2013 Polaris Ranger 800 6X6
2013 Polaris Ranger Crew 800 4x4
2013 Polaris Ranger Crew 800 4x4 EPS
2013 Polaris RZR 800
2013 Polaris RZR 800 EPS
2013 Polaris RZR 800 S
2013 Polaris RZR 800 S EPS
2013 Polaris Scrambler XP 850
2013 Polaris Scrambler XP 850 EPS
2013 Polaris Sportsman 800 EFI
2013 Polaris Sportsman Big Boss 6X6 800
2014 Polaris Ranger 800 4x4
2014 Polaris Ranger 800 4x4 EPS
2014 Polaris Ranger 800 4x4 EPS [Midsize]
2014 Polaris Ranger 800 4x4 [Midsize]
2014 Polaris Ranger 800 6X6
2014 Polaris Ranger Crew 800 4x4
2014 Polaris Ranger Crew 800 4x4 EPS
2014 Polaris RZR 800
2014 Polaris RZR 800 EPS
2014 Polaris RZR 800 S
2014 Polaris RZR 800 S EPS
2014 Polaris RZR 800 XC
2014 Polaris Scrambler XP 850
2014 Polaris Scrambler XP 850 EPS
2014 Polaris Sportsman 800 EFI
2014 Polaris Sportsman Big Boss 6X6 800
2015 Polaris Scrambler 850
2016 Polaris Ranger 800 6X6
2016 Polaris Scrambler 850
2017 Polaris Scrambler 850
2018 Polaris Scrambler 850
2019 Polaris Scrambler 850