Traxxas Pro-Built 4X4 Rear Differential

Traxxas Pro-Built 4X4 Rear Differential is a drop-in, pre-built rear differential designed for VXL 4X4 models. The sealed assembly comes pre-filled with 30k-weight silicone oil and uses steel gearing to withstand brushless Velineon horsepower. It includes a 13-tooth pinion and a 37-tooth ring gear and is not directly compatible with Titan-powered 4X4 models.

Key Features

• Pre-built, professionally assembled rear differential for quick drop-in replacement.
• Sealed assembly keeps internal parts protected from dirt and debris during running.
• Pre-filled with 30k-weight silicone oil to provide consistent lubrication right out of the box.
• Steel gears engineered to handle the torque and RPMs of Velineon brushless systems.
• Direct replacement fit for VXL 4X4 models, so installation is straightforward.
• Includes a 13-tooth pinion gear and a 37-tooth ring gear for correct gear mesh and drivetrain fitment.
• Not directly compatible with Titan-powered 4X4 models, so use on Titan setups is not supported.

What's Included

• Traxxas Pro-Built 4X4 Rear Differential — fully assembled sealed unit
• 13-tooth pinion gear
• 37-tooth ring gear

Why Choose This Part

The Traxxas Pro-Built 4X4 Rear Differential is ideal if you want a reliable, time-saving replacement that’s ready to go the moment it arrives. Its sealed, pre-filled design reduces initial setup and gets you back on the trail faster while the steel gears stand up to brushless power.