Model number: TRA7778
Traxxas Pinion Gear 13-Tooth Rear Differential restores accurate tooth engagement in the rear diff for smoother drivetrain operation. Ideal for hobbyists and techs performing routine repairs or post-crash rebuilds.
Product Details
Traxxas Pinion Gear 13-Tooth Rear Differential restores accurate tooth engagement in the rear diff for smoother drivetrain operation. Ideal for hobbyists and techs performing routine repairs or post-crash rebuilds.
Needed to Complete (not included):
- Hobby knife
- Glue
- Paint and finishing tools
NOTE: Photo of completed model is for illustrative purposes only. This is a model kit that requires assembly.
More info
The Traxxas Pinion Gear 13-Tooth Rear Differential is a direct replacement gear designed to restore correct engagement in the rear differential. It installs in place of a worn pinion and is intended to be used with the 7779 42-tooth differential ring gear to maintain proper drivetrain ratios and reliable operation.
Key Features
- 13-tooth pinion profile that matches the factory tooth count for the rear differential, keeping gear mesh correct.
- Made as a direct replacement for rear differential pinion wear and damage, making repairs straightforward.
- Designed to pair with the 7779 42-tooth differential ring gear to preserve the correct gear ratio and drivetrain timing.
- Simplifies maintenance by returning the rear differential to factory-spec engagement without shimming changes.
Why Choose This Product
This Traxxas Pinion Gear 13-Tooth Rear Differential is a practical spare for anyone who runs their rig hard or keeps older trucks in service. Use it when you hear gear noise, see chipped teeth, or during a full differential rebuild to get the rear drivetrain back to smooth operation.
About the Brand
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