HUSQVARNA Counter Shaft TC/TE 125/ '19

The HUSQVARNA Counter Shaft TC/TE 125/ '19 is a complete OEM transmission countershaft assembly for selected 2019 Husqvarna 2‑stroke models, carrying 50533010000 as the original part number. It replaces the stock countershaft in the TRANSMISSION II – COUNTERSHAFT group and maintains the designed gear engagement and output alignment.

Technical specifications

• Part type: Transmission countershaft assembly
• OEM part number: 50533010000
• OEM description: Countershaft cmpl.
• Assembly: Supplied as a complete countershaft unit, not as individual gears or bearings
• Fiche position: Position 1 in TRANSMISSION II – COUNTERSHAFT fiche for TC 125 2019
• Model platform: Used across multiple 2019 Husqvarna small‑bore 2‑stroke gearboxes

Fitment

• Husqvarna TC 125: 2019 (TRANSMISSION II – COUNTERSHAFT)
• Husqvarna TE 150: 2019 (TRANSMISSION II – COUNTERSHAFT)
• Husqvarna TE 250i: 2019 (TRANSMISSION II – COUNTERSHAFT)
• Husqvarna TE 300i: 2019 (TRANSMISSION II – COUNTERSHAFT)
• Husqvarna TX 125: 2019 (gearbox output shaft / countershaft)

Use and service context

This countershaft assembly is typically replaced when spline wear, gear damage, or bearing journal wear is found during gearbox inspection on 2019 Husqvarna small‑bore 2‑stroke engines. Workshops often install it together with any worn mating gears, bearings, and associated gearbox seals to restore correct transmission function.

Installation notes

The countershaft is a direct replacement in the original transmission but requires full gearbox disassembly, suitable pullers and press tools for bearings, and reassembly using the factory service manual torque values and clearances.