Product Details
- Hobby knife
- Glue
- Paint and finishing tools
More info
Traxxas Machined Idler Gear is a precision 30-tooth aluminum replacement that smooths gear meshing and cuts down on wear and friction in your drivetrain. This part is aimed at hobbyists and techs who want a tighter-running differential and reliable long-term performance.
Key Features
- Precision-machined 30-tooth design for smoother meshing and reduced wear compared with standard gears.
- Aluminum construction for accurate engagement and dependable service life.
- Apply a light coating of silicone grease during installation to keep operation smooth and reduce friction.
- Not for use with steel top gears; avoid metal-on-metal pairings that can accelerate damage.
- 3195X and 1996X must be used together as a matched set when assembling the differential.
- Install a new 2388 main differential gear when fitting this idler to ensure proper gear engagement and longevity.
Why Choose This Part
Choose the Traxxas Machined Idler Gear when you want a higher-precision replacement that improves drivetrain smoothness and reduces long-term wear. It’s a practical upgrade for regular maintenance, post-crash rebuilds, or anyone tuning their differential for consistent performance.
About the Brand

Customer reviews
Bit Disappointed
Saw the reviews, shoulda guessed it was plastic. Disappointed, but it'll prob work.
Disappointed, Plastic not Aluminum
It's not aluminum, just plastic. dont buy!
Pretty good so far
so far so good, not many hours on it yet. the plastic one was def weak. now its metal, prob something else plastic will break, like the spur gear.