Upgrades that replace Traxxas #9779

3 aftermarket parts sold as a replacement for Traxxas part #9779, 3 in stock now. Each card quotes the maker’s own fitment note; check it against your model before ordering.

TRXM9222

Steel Helical Diff Ring/Pinion Overderdrive (12/22) TRX4M

$20.99In stock

“Replaces TRA9779 Option” — Hot Racing’s description

Traxxas TRX4 M 1:18 scale

TRXM9224

Steel Helical Diff Ring/Pinion Stock (12/24) TRX4M

$16.99In stock

“Replaces TRA9779 Option” — Hot Racing’s description

Traxxas TRX4 M 1:18 scale

TRXM9024

Steel Helical Diff Ring/Pinion Underdrive (10/24T) TRX4M

$16.99In stock

“Replaces TRA9779 Option” — Hot Racing’s description

Traxxas TRX4 M 1:18 scale

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