Traxxas Ring Gear 42-Tooth RC Differential - 7779

The Traxxas 7779 is a 42-tooth ring gear differential designed as a direct replacement or service part for Traxxas models that use the matching 13-tooth differential pinion gears. Part number TRX7779, this ring gear is specifically referenced for use with Traxxas differential pinion gears #7777 and #7778, making it a precision-matched component within the Traxxas differential assembly. If your differential is worn, stripped, or you're rebuilding a diff from scratch, this ring gear is the correct OEM-spec part to restore proper function.

Key Features

• 42-tooth ring gear count — pairs directly with Traxxas 13-tooth differential pinion gears #7777 and #7778
• OEM Traxxas specification, ensuring accurate gear mesh and fit within the differential housing
• Suitable for differential rebuilds or replacing worn and damaged ring gear components
• Traxxas part number TRX7779 — useful for cross-referencing with Traxxas parts diagrams and exploded views

What's Included

• 1x Traxxas 42-tooth ring gear differential (TRX7779)

What You Need

• Traxxas differential pinion gears #7777 and #7778 (13-tooth) — required to complete the differential assembly
• Additional differential components such as housing, drive cups, and thrust washers may be required depending on the extent of your rebuild
• Compatible Traxxas vehicle to confirm correct fitment before ordering