Traxxas Idler 13T 1st Speed RC Gear - 3976

The Traxxas 3976 Idler Gear 13T is a genuine Traxxas spare part designed as a direct replacement for the first speed idler gear in compatible Traxxas transmission systems. Sourced directly from Traxxas, the TRX3976 ensures an accurate factory fit and consistent mesh with surrounding drivetrain components. If your existing idler gear is worn, stripped, or damaged, fitting a like-for-like replacement from Traxxas is the straightforward way to restore your gearbox to full working order.

Key Features

• 13-tooth idler gear serving as the first speed gear in the transmission
• Genuine Traxxas part manufactured to original factory specifications
• Direct replacement fitment — no modification required
• Restores correct gear mesh and drivetrain engagement in supported models
• Identified by Traxxas part number TRX3976 for accurate ordering

Compatible With

• Check your Traxxas model's parts diagram or exploded view to confirm TRX3976 is listed as the correct idler gear for your specific transmission. Traxxas part numbers are model-specific — always verify against your vehicle's manual or the Traxxas website before ordering.

What's Included

• 1 x Traxxas 3976 Idler Gear 13T (1st Speed Gear)