Traxxas Input Shaft & Drive Gear Assembly 18-Tooth Steel Top Gear RC Drivetrain Part - 3992

The Traxxas 3992 input shaft and drive gear assembly is an OEM steel drivetrain component designed as a direct replacement for Traxxas models that use an 18-tooth top gear configuration. Sourced directly from Traxxas, part number TRX3992 maintains the original gear ratio and fitment tolerances, making it a straightforward like-for-like swap when the factory component wears or is damaged.

Key Features

• 18-tooth steel construction offers greater durability than plastic equivalents under drivetrain load
• OEM Traxxas specification ensures correct mesh, fitment, and gear ratio without modification
• Input shaft and drive gear supplied as a complete pre-assembled unit for easier installation
• Steel material is suitable for models running higher-power setups where gear wear is accelerated

What's Included

• 1 x Traxxas input shaft and drive gear assembly (18-tooth steel, TRX3992)

What You Need

• Refer to your model's exploded parts diagram to confirm TRX3992 is the correct top gear for your specific Traxxas vehicle before ordering
• Basic hobby tools for drivetrain disassembly and reassembly