RCAWD ARRMA 3S Steel 37T/13T Helical Differential + Bevel Gear - Single

RCAWD 37T/13T steel helical gear differential assembly for ARRMA 3S/4S/MEGA applications. Uses heavy-duty steel helical gears for smoother, stronger drivetrain operation.

Package includes: One assembled differential with 37T ring gear and one separate 13T bevel/input gear. This is one differential package—not a pair of differentials.

Fits

• ARRMA Senton applications
• ARRMA Granite applications
• ARRMA Big Rock applications
• ARRMA Kraton applications
• ARRMA Outcast applications

Notes

• 37T helical ring gear
• 13T bevel/input gear included
• One differential assembly per package
• RCAWD references ARA310956R / HRAATF9337BL-style 37T/13T fitment

Because ARRMA uses different differential designs across revisions, verify your exact model number and original gear specification before ordering.