The PROX 01.6358.C Forged Piston Kit is a direct-interchange replacement designed for select KTM and Husqvarna 300 2-stroke motorcycles with Nikasil-plated cylinders. Manufactured by PROX, this kit includes the piston, piston rings, wrist pin, and retaining clips required for a complete piston replacement. Its forged construction supports dependable performance and durability in demanding off-road applications.
Designed to help reduce replacement costs compared with OEM components, the PROX piston kit is engineered for straightforward installation and dependable fitment. The 71.96 mm piston size is intended for compatible applications listed below. Verify the existing cylinder specifications and manufacturer service requirements before installation to ensure proper clearance and component compatibility.
Fitment includes the 2018 KTM 300 XC and 300 XC-W; 2018 Husqvarna TX 300 and TE 300; 2019 KTM 300 XC, 300 XC-W TPi, and Husqvarna TX 300 and TE 300i; and 2020 KTM 300 XC-W TPi and Husqvarna TX 300i. The manufacturer part number is 01.6358.C, and the vendor part number is 19-6358C.
Features:
- Brand: PROX
- Manufacturer Part Number: 01.6358.C
- Vendor Part Number: 19-6358C
- Product Type: Forged piston kit
- Piston Size: 71.96 mm
- Cylinder Compatibility: Designed for Nikasil-plated cylinders
- Kit Contents: Includes piston, rings, wrist pin, and retaining clips
- Replacement Benefit: Interchanges directly with compatible OEM parts
- Value: Provides an economical alternative to OEM pricing
- Fitment: Select 2018–2020 KTM and Husqvarna 300 2-stroke models, including XC, XC-W, TX, TE, TPi, and TE 300i applications
Fitment:
2018 Husqvarna TE 300
2018 Husqvarna TE 300i
2018 Husqvarna TX 300
2018 KTM 300 EXC TPi
2018 KTM 300 XC
2018 KTM 300 XC-W
2019 Husqvarna TE 300i
2019 Husqvarna TX 300
2019 KTM 300 EXC TPi
2019 KTM 300 XC
2019 KTM 300 XC-W TPi
2020 Husqvarna TE 300i
2020 Husqvarna TX 300i
2020 KTM 300 EXC TPi
2020 KTM 300 XC TPi
2020 KTM 300 XC-W TPi
2021 Gas-Gas EC 300
2021 Gas-Gas EX 300
2021 Husqvarna TE 300i
2021 Husqvarna TX 300i
2021 KTM 300 EXC TPi
2021 KTM 300 XC TPi
2021 KTM 300 XC-W TPi
2022 Gas-Gas EC 300
2022 Gas-Gas EX 300
2022 Husqvarna TE 300i
2022 Husqvarna TX 300i
2022 KTM 300 EXC
2022 KTM 300 EXC TPi
2022 KTM 300 XC TPi
2022 KTM 300 XC-W TPi
2023 Gas-Gas EC 300
2023 Gas-Gas EX 300
2023 Husqvarna TE 300
2023 Husqvarna TE 300i
2023 Husqvarna TX 300
2023 Husqvarna TX 300i
2023 KTM 300 EXC
2023 KTM 300 SX
2023 KTM 300 XC
2023 KTM 300 XC-W
2024 Gas-Gas EC 300
2024 Gas-Gas EX 300
2024 Husqvarna TE 300
2024 Husqvarna TE 300i
2024 Husqvarna TX 300
2024 Husqvarna TX 300i
2024 KTM 300 EXC
2024 KTM 300 SX
2024 KTM 300 XC
2024 KTM 300 XC-W
2025 Gas-Gas EC 300
2025 Gas-Gas EX 300
2025 Husqvarna TE 300
2025 Husqvarna TE 300i
2025 Husqvarna TX 300
2025 Husqvarna TX 300i
2025 KTM 300 EXC
2025 KTM 300 SX
2025 KTM 300 XC
2025 KTM 300 XC-W