This replacement idler is an RC center differential gear intended for ARRMA 1/5 8S platforms and is supplied as MAKX019TS. The component carries 19 teeth, a 1.0 module, and is produced from 20CrMnTi steel to match original center diff geometry for a like-for-like swap on compatible models.
Fit this item when the factory idler shows wear or when restoring correct gear engagement in the center differential. Inspect mating gears and bearings during service to confirm smooth rotation and correct mesh; accurate alignment prevents premature wear and keeps drivetrain behavior consistent.
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