Namura Piston Kit 86.98 mm, +0.50 mm for Honda TRX420 Rancher

Will not accept OEM rings and rings will not work on OEM piston

The Namura NA-10042-2 Piston Kit is designed for select Honda TRX420 Rancher models and provides a reliable replacement solution for engine rebuilds. This +0.50 mm oversize piston kit measures 86.98 mm and is intended for applications requiring an oversized piston. Verify cylinder specifications and service requirements before installation to ensure proper clearance and compatibility.

This piston kit fits 2014–2017 Honda TRX420FA2 Rancher 4x4 AT DCT EPS [SRA] models, 2014–2016 Honda TRX420FA1 Rancher 4x4 AT DCT [SRA] models, and 2014–2016 Honda TRX420FE1 Rancher 4x4 ES [SRA] models. The Namura manufacturer part number and vendor part number are both NA-10042-2. It is manufactured for the listed Honda Rancher applications and should be matched to the specific engine bore and rebuild requirements.

Important compatibility note: This piston kit will not accept OEM rings, and the included or compatible rings will not work with an OEM piston. Use the appropriate Namura ring set with this piston and confirm all components as a matched assembly before installation. Professional installation and careful measurement of the cylinder are recommended for dependable engine performance.

Features:

• Size: 86.98 mm piston with +0.50 mm oversize specification
• Model: NA-10042-2 piston kit
• Brand: Namura
• Manufacturer part number: NA-10042-2
• Vendor part number: NA-10042-2
• Fitment: Select 2014–2017 Honda TRX420 Rancher 4x4 AT DCT, AT DCT EPS, and 4x4 ES [SRA] models
• Compatibility: Does not accept OEM rings, and the rings are not compatible with an OEM piston
• Application: Engine rebuilds requiring a matched +0.50 mm oversize piston and ring assembly

Fitment:
2007 Honda TRX420FE Rancher ES [SRA]
2007 Honda TRX420FM Rancher [SRA]
2007 Honda TRX420TE Rancher 2x4 ES [SRA]
2007 Honda TRX420TM Rancher [SRA]
2008 Honda TRX420FE Rancher ES [SRA]
2008 Honda TRX420FM Rancher [SRA]
2008 Honda TRX420TE Rancher 2x4 ES [SRA]
2008 Honda TRX420TM Rancher [SRA]
2009 Honda TRX420FA Rancher AT [IRS]
2009 Honda TRX420FE Rancher ES [SRA]
2009 Honda TRX420FM Rancher [SRA]
2009 Honda TRX420FPA Rancher w/PS [IRS]
2009 Honda TRX420FPE Rancher ES w/PS [SRA]
2009 Honda TRX420FPM Rancher w/PS [SRA]
2009 Honda TRX420TE Rancher 2x4 ES [SRA]
2009 Honda TRX420TM Rancher [SRA]
2010 Honda TRX420FA Rancher AT [IRS]
2010 Honda TRX420FE Rancher ES [SRA]
2010 Honda TRX420FM Rancher [SRA]
2010 Honda TRX420FPA Rancher w/PS [IRS]
2010 Honda TRX420FPE Rancher ES w/PS [SRA]
2010 Honda TRX420FPM Rancher w/PS [SRA]
2010 Honda TRX420TE Rancher 2x4 ES [SRA]
2010 Honda TRX420TM Rancher [SRA]
2011 Honda TRX420FA Rancher AT [IRS]
2011 Honda TRX420FE Rancher ES [SRA]
2011 Honda TRX420FM Rancher [SRA]
2011 Honda TRX420FPA Rancher w/PS [IRS]
2011 Honda TRX420FPE Rancher ES w/PS [SRA]
2011 Honda TRX420FPM Rancher w/PS [SRA]
2011 Honda TRX420TE Rancher 2x4 ES [SRA]
2011 Honda TRX420TM Rancher [SRA]
2012 Honda TRX420FA Rancher AT [IRS]
2012 Honda TRX420FE Rancher ES [SRA]
2012 Honda TRX420FM Rancher [SRA]
2012 Honda TRX420FPA Rancher w/PS [IRS]
2012 Honda TRX420FPE Rancher ES w/PS [SRA]
2012 Honda TRX420FPM Rancher w/PS [SRA]
2012 Honda TRX420TE Rancher 2x4 ES [SRA]
2012 Honda TRX420TM Rancher [SRA]
2013 Honda TRX420FA Rancher AT [IRS]
2013 Honda TRX420FE Rancher ES [SRA]
2013 Honda TRX420FM Rancher [SRA]
2013 Honda TRX420FPA Rancher w/PS [IRS]
2013 Honda TRX420FPE Rancher ES w/PS [SRA]
2013 Honda TRX420FPM Rancher w/PS [SRA]
2013 Honda TRX420TE Rancher 2x4 ES [SRA]
2013 Honda TRX420TM Rancher [SRA]
2014 Honda TRX420FA Rancher AT [IRS]
2014 Honda TRX420FA1 Rancher 4x4 AT DCT [SRA]
2014 Honda TRX420FA2 Rancher 4x4 AT DCT EPS [SRA]
2014 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2014 Honda TRX420FM1 Rancher 4x4 [SRA]
2014 Honda TRX420FM2 Rancher 4x4 EPS [SRA]
2014 Honda TRX420FPA Rancher w/PS [IRS]
2014 Honda TRX420TE1 Rancher 2x4 ES [SRA]
2014 Honda TRX420TM1 Rancher [SRA]
2015 Honda TRX420FA1 Rancher 4x4 AT DCT [SRA]
2015 Honda TRX420FA2 Rancher 4x4 AT DCT EPS [SRA]
2015 Honda TRX420FA5 Rancher 4x4 AT DCT [IRS]
2015 Honda TRX420FA6 Rancher 4x4 AT DCT EPS [IRS]
2015 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2015 Honda TRX420FM1 Rancher 4x4 [SRA]
2015 Honda TRX420FM2 Rancher 4x4 EPS [SRA]
2015 Honda TRX420TE1 Rancher 2x4 ES [SRA]
2015 Honda TRX420TM1 Rancher [SRA]
2016 Honda TRX420FA1 Rancher 4x4 AT DCT [SRA]
2016 Honda TRX420FA2 Rancher 4x4 AT DCT EPS [SRA]
2016 Honda TRX420FA5 Rancher 4x4 AT DCT [IRS]
2016 Honda TRX420FA6 Rancher 4x4 AT DCT EPS [IRS]
2016 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2016 Honda TRX420FM1 Rancher 4x4 [SRA]
2016 Honda TRX420FM2 Rancher 4x4 EPS [SRA]
2016 Honda TRX420TE1 Rancher 2x4 ES [SRA]
2016 Honda TRX420TM1 Rancher [SRA]
2017 Honda TRX420FA2 Rancher 4x4 AT DCT EPS [SRA]
2017 Honda TRX420FA5 Rancher 4x4 AT DCT [IRS]
2017 Honda TRX420FA6 Rancher 4x4 AT DCT EPS [IRS]
2017 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2017 Honda TRX420FM1 Rancher 4x4 [SRA]
2017 Honda TRX420TM1 Rancher [SRA]
2018 Honda TRX420FA2 Rancher 4x4 AT DCT EPS [SRA]
2018 Honda TRX420FA5 Rancher 4x4 AT DCT [IRS]
2018 Honda TRX420FA6 Rancher 4x4 AT DCT EPS [IRS]
2018 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2018 Honda TRX420FM1 Rancher 4x4 [SRA]
2018 Honda TRX420TM1 Rancher [SRA]
2019 Honda TRX420FA2 Rancher 4x4 AT DCT EPS [SRA]
2019 Honda TRX420FA5 Rancher 4x4 AT DCT [IRS]
2019 Honda TRX420FA6 Rancher 4x4 AT DCT EPS [IRS]
2019 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2019 Honda TRX420FM1 Rancher 4x4 [SRA]
2019 Honda TRX420TM1 Rancher [SRA]
2020 Honda TRX420FA5 Rancher 4x4 AT DCT [IRS]
2020 Honda TRX420FA6 Rancher 4x4 AT DCT EPS [IRS]
2020 Honda TRX420FE Rancher ES [IRS]
2020 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2020 Honda TRX420FM1 Rancher 4x4 [SRA]
2020 Honda TRX420FM2 Rancher 4x4 EPS [SRA]
2020 Honda TRX420TM1 Rancher [SRA]
2021 Honda TRX420FE Rancher ES [IRS]
2021 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2021 Honda TRX420FM1 Rancher 4x4 [SRA]
2021 Honda TRX420FM2 Rancher 4x4 EPS [SRA]
2021 Honda TRX420TE1 Rancher 2x4 ES [SRA]
2021 Honda TRX420TM1 Rancher [SRA]
2022 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2022 Honda TRX420FM1 Rancher 4x4 [SRA]
2022 Honda TRX420FM2 Rancher 4x4 EPS [SRA]
2022 Honda TRX420TE1 Rancher 2x4 ES [SRA]
2022 Honda TRX420TM1 Rancher [SRA]
2023 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2023 Honda TRX420FM1 Rancher 4x4 [SRA]
2023 Honda TRX420FM2 Rancher 4x4 EPS [SRA]
2023 Honda TRX420TE1 Rancher 2x4 ES [SRA]
2023 Honda TRX420TM1 Rancher [SRA]
2024 Honda TRX420FE1 Rancher 4x4 ES [SRA]
2024 Honda TRX420FM1 Rancher 4x4 [SRA]
2024 Honda TRX420FM2 Rancher 4x4 EPS [SRA]
2024 Honda TRX420TE1 Rancher 2x4 ES [SRA]
2024 Honda TRX420TM1 Rancher [SRA]