AR310872 Diff Case Set 37T Main Gear BLX 3S (ARAC4022)

This differential case set with a 37-tooth main gear is designed as a direct replacement for kit-supplied components in BLX 3S-equipped RC cars. The assembly combines the ring gear and diff case into a single, rugged unit for straightforward maintenance and reliable operation.

Manufactured from tough composite material for durability under demanding use, it features a precision-machined gear tooth configuration for smooth engagement and a high-quality diff case mold that helps keep the differential sealed. The set includes a ring gear with integrated diff case and a diff case cap, delivering a complete, ready-to-install replacement.