Tamiya TB04 Delrin 48P 66T Spur Gear DTB4066T by GPM  [DTB4066T]

Tamiya TB04 Delrin Spur Gear 48 Pitch 66T - 1pc - GPM DTB4066T
Price:
CAD$7.60
Brand:
GPM
Model:
DTB4066T
GTIN:
4894538053197
Condition:
Brand New
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Delrin Replacement Spur for TB04

This Delrin spur gear is a single aftermarket replacement made to suit the Tamiya TB04 chassis, with a 48 pitch 66-tooth profile for the TB-04 spur gear position. Supplied as 1 pcs, the unit serves as a direct spare for worn or damaged TB-04 large spur gears and provides a tougher plastic option compared to standard stock gears.

Delrin (acetal) delivers low friction and stable dimensions under typical RC loads, helping preserve consistent mesh and predictable wear on 48 pitch drivetrains. Confirm the tooth count and pitch against your motor pinion before installation to ensure correct gear engagement.

Installation notes: fit as an RC-scale spur gear replacement on the TB-04, check axial alignment and tooth mesh, inspect gearbox bearings and the pinion for wear before reuse, and hand-rotate the drivetrain to confirm smooth operation prior to final assembly. This part is intended for model use only.

Will this 66T fit my TB04 spur location?

Yes. The gear is cut at 48 pitch with 66 teeth to match the TB04 large spur position, but always double-check your current tooth count before swapping.

How does Delrin compare to nylon in use?

Delrin tends to run with lower friction and better dimensional stability than some nylons, which can give steadier mesh and slightly longer predictable service life under normal hobby use.

Any tips for installing the spur gear?

Set the correct backlash by adjusting axial position, verify bearings and pinion condition, and turn the drivetrain by hand to check for smooth engagement before tightening the gearbox.

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