Axial Racing SCX24 Rear Axle Differential Housing Upgrade - JR-SCX2405-BK by Jazrider  [JR-SCX2405-BK]

Overview: aluminum rear axle differential housing

Replacement rear axle differential housing intended for the Axial Racing SCX24 chassis, machined from aluminum to reduce play in the stock plastic unit and provide a firmer mounting point for the rear drivetrain. The text emphasises direct-fit compatibility, reduced flex, and improved control during low-speed trail and rock crawling sections.

This chassis-level hop-up changes mechanical stiffness and the contact points that determine how the differential behaves under load. Hobbyists install aluminum housings to minimise deformation under torque, stabilise gear mesh, and achieve more predictable responses in technical crawling. As with any metal replacement, confirm alignment with existing bearings and differential internals before final assembly.

Installation notes: perform a dry fit to check that your SCX24 rear differential internals and mounting screws match the replacement housing dimensions. Inspect mating faces and bearing seats during mock assembly and run a static gear mesh check to avoid premature wear. Maintain proper lubrication and periodic inspections after upgrading to an aluminum housing.

For scale trail builds that prioritise low-speed precision and drivetrain stability, this aluminum rear axle differential housing gives a more robust alternative to the stock part; confirm fit with SCX24 internals and complete routine setup checks after installation.