This upgrade kit supplies the rotating gears used in the differential assembly of 1/18 scale Associated RC 18T models. The pack includes a steel 35T differential gear and a steel 14T input gear supplied as a 2 pcs set, intended as direct replacements during routine drivetrain maintenance and tuning.
Built for RC service use, these steel gears prioritise dimensional consistency and improved wear resistance versus softer stock components. They help restore correct gear mesh, reduce premature tooth wear, and provide a stable baseline when adjusting differential preload or oil weight.
Installation notes: inspect the differential housing and bearings for wear before fitting, confirm correct mesh and minimal backlash under static rotation, and use threadlocker or the specified retaining hardware per the model service manual. Apply a light gear-safe lubricant where recommended.
Fit this matched set when rebuilding an RC18T differential to re-establish uniform tooth engagement and maintain predictable diff tuning. Always replace worn gears as a pair to preserve drivetrain balance.
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