Traxxas Hinge Post & Fixed Gear Adapter RC Motor Mount - 8661

The Traxxas TRX8661 motor mount hinge post is a genuine OEM replacement part designed to restore the drivetrain mounting assembly on compatible Traxxas RC models. This hardware pack includes the hinge post, fixed gear adapter, and the specific fasteners needed to complete the repair, so you have everything in one purchase rather than hunting down individual screws. If your motor mount assembly has cracked, stripped, or been damaged during a hard bash, this is the direct factory replacement to get things back to spec.

Key Features

• Genuine Traxxas OEM part — matches original factory specification for a direct-fit repair
• Includes the fixed gear adapter alongside the hinge post, covering the two main components of the motor mount assembly
• Fastener hardware is included: one 5x25mm button cap screw and one 4x16mm cap screw with split and flat washer
• Eliminates the need to source mounting screws separately — all required hardware for the assembly is in the pack

What's Included

• 1x Motor mount hinge post
• 1x Fixed gear adapter
• 1x 5x25mm button cap screw (BCS)
• 1x 4x16mm cap screw with split washer and flat washer

What You Need

• Confirmed compatibility with your specific Traxxas model before purchasing — check Traxxas parts diagrams or your vehicle's manual to verify TRX8661 is the correct part number for your build
• Basic RC tool kit for installation (hex drivers appropriate for the included fasteners)