The PROX 01.6237.B Forged Piston Kit is a direct-replacement engine component designed for select KTM and Husqvarna 150 two-stroke motorcycles with Nikasil-plated cylinders. This standard-size piston kit is engineered to provide reliable fitment and consistent performance while offering an economical alternative to comparable OEM components.
The kit includes the forged piston, piston rings, wrist pin, and retaining clips for a complete installation. Each component is selected to work together as a matched replacement assembly, helping simplify service and reduce the need to source individual parts. The PROX piston is intended for standard-bore applications and should be verified against the cylinder condition and manufacturer specifications before installation.
Fitment includes the 2016 KTM 150 SX; 2017 KTM 150 SX, KTM 150 XC-W, and Husqvarna TE 150; 2018 KTM 150 SX, KTM 150 XC-W, and Husqvarna TE 150; and 2019 KTM 150 SX, KTM 150 XC-W, and Husqvarna TE 150. The manufacturer part number is PROX 01.6237.B, and the vendor part number is 19-6237B. Confirm the model year, engine configuration, piston clearance, and cylinder requirements before ordering.
Features:
- Cost-effective alternative to comparable OEM piston kits
- Direct interchange with specified OEM replacement parts
- Forged piston designed for Nikasil-plated standard-bore cylinders
- Complete kit includes piston, rings, wrist pin, and retaining clips
- Fits select 2016-2019 KTM 150 SX, KTM 150 XC-W, and Husqvarna TE 150 models
Fitment:
2016 KTM 150 SX
2017 Husqvarna TE 150
2017 KTM 150 SX
2017 KTM 150 XC-W
2018 Husqvarna TE 150
2018 KTM 150 SX
2018 KTM 150 XC-W
2019 Husqvarna TE 150
2019 KTM 150 SX
2019 KTM 150 XC-W
2020 Husqvarna TE 150i
2020 KTM 150 EXC TPi
2020 KTM 150 SX
2021 KTM 150 SX
2022 KTM 150 SX