Tamiya 50891 - TA04 Off-Road Gear Pulley Set [50891]

Tamiya 50891 - Gear Differential Pulley TA04 SP-891

Price:

£5.61

Brand:

Tamiya

Model:

50891

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Spares / Hop-ups - Tamiya - TA-04

Replacement Pulley Optimised for TA04 Drivetrains

The Tamiya 50891 Gear Differential Pulley is a genuine replacement piece for TA04 chassis owners, produced in durable black plastic to maintain consistent gear meshing and dependable rotation. It is a practical part for servicing and keeps the differential functioning as intended under routine use.

Specifications for the 50891 Gear Pulley

Material: Durable black plastic
Includes: 32T gear differential pulley and housing
Compatibility: Specifically for Tamiya TA04 chassis
Diameter: 33.0mm (1.301")

Is special tooling required to fit this pulley?

Basic hobby tools are sufficient for fitting the pulley, though a small driver set and a clean workspace make assembly easier and reduce the risk of losing small parts.

Will this part affect handling?

When installed correctly and used with the right differential oil and setup, the pulley should not negatively affect handling and helps maintain consistent drivetrain behaviour.

Can I upgrade to a metal pulley?

Metal pulleys exist for some platforms, but check TA04-specific upgrade parts for compatibility; metal options may change transmission characteristics and require different maintenance.

Where is this part listed in Tamiya spares?

This pulley is identified by the part number 50891 and is commonly referenced in TA04 spare parts lists and some metal parts packs for that chassis series.