PROX Piston Kit, 39.47 mm, Gas Gas/Husqvarna/KTM, 01.6019.B

Piston Kit - 39.47 mm - Gas Gas | Husqvarna | KTM

The PROX Piston Kit is an OEM replacement component manufactured in Japan for select Gas Gas, Husqvarna, and KTM motorcycles. This 39.47 mm kit is cast from a high-silicon-content aluminum alloy that meets or exceeds OEM specifications and is CNC-machined to close tolerances.

The kit includes a piston, ring kit, wrist pin, and circlips. Distributor part number: 09103270. Manufacturer part number: 01.6019.B.

Vehicle fitment includes 2009, 2011, 2014, 2016, 2020, and 2023 KTM 50 SX; 2018 Husqvarna TC50; and 2021, 2022, and 2025 Gas Gas MC 50.

Features:

• Brand: PROX
• Product: Piston Kit
• Size: 39.47 mm
• Construction: Cast from a high-silicon-content aluminum alloy
• Manufacturing: Made in Japan and CNC-machined to close tolerances
• Replacement: Designed as an OEM replacement
• Included components: Piston, ring kit, wrist pin, and circlips
• Vehicle fitment: 2009, 2011, 2014, 2016, 2020, and 2023 KTM 50 SX; 2018 Husqvarna TC50; 2021, 2022, and 2025 Gas Gas MC 50
• Distributor part number: 09103270
• Manufacturer part number: 01.6019.B

Fitment:
2009 KTM 50 SX
2010 KTM 50 SX
2011 KTM 50 SX
2012 KTM 50 SX
2013 KTM 50 SX
2014 KTM 50 SX
2015 KTM 50 SX
2016 KTM 50 SX
2017 Husqvarna TC50
2017 KTM 50 SX
2018 Husqvarna TC50
2018 KTM 50 SX
2019 Husqvarna TC50
2019 KTM 50 SX
2020 Husqvarna TC50
2020 KTM 50 SX
2021 Gas Gas MC 50
2021 Husqvarna TC50
2021 KTM 50 SX
2022 Gas Gas MC 50
2022 Husqvarna TC50
2022 KTM 50 SX
2023 Gas Gas MC 50
2023 Husqvarna TC50
2023 KTM 50 SX
2024 Gas Gas MC 50
2024 Husqvarna TC50
2024 KTM 50 SX
2025 Gas Gas MC 50
2025 Husqvarna TC50
2025 KTM 50 SX