Tamiya 50903 Replacement Gear Case Set for TGR & TB Evolution [50903]

Tamiya 50903 - A Parts Gear Case Tiger SP-903

Price:

NZD$13.06

Brand:

Tamiya

Model:

50903

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Spares / Hop-ups - Tamiya - TB Evo

Service Replacement Gear Case for Tamiya TGR & TB Evolution

The Tamiya 50903 A Parts Gear Case is designed to replace worn housings on Tamiya TGR and TB Evolution models. It restores correct alignment for internal gears and offers a straightforward swap-in replacement. The black plastic construction balances strength with lightweight properties for reliable use on road and track.

Notable Features of the 50903 Gear Case

Material: Robust black plastic for steady performance
Compatibility: Tailored to Tamiya TGR and TB Evolution kits only
Components: Includes both left and right case halves ready for installation

Is this gear case an original Tamiya part?

Yes, this is the Tamiya 50903 A Parts gear case intended as a direct replacement for the specified kits.

Do bearings transfer over to the new case?

Bearings can usually be moved into the new halves; inspect them for wear and replace if rough or loose for best results.

Will this change gear mesh settings?

When fitted correctly the case will maintain original mesh, though you should recheck pinion to spur clearance after installation.

Any tips for reassembly?

Clean mating surfaces, use correct fastener torque, and confirm gear rotation is smooth before sealing the case.