ARRMA AR220041 / ARAC4004 Diff Set Front/Rear 43T

The ARRMA AR220041 Diff Set Front/Rear 43T (also known by legacy part number ARAC4004) is a genuine OEM replacement 43-tooth front/rear differential set for compatible ARRMA vehicles. The front and rear differentials distribute power to the wheels on each axle and are critical drivetrain components for traction and handling. Replacing worn or damaged differentials restores proper power distribution and drivetrain efficiency.

Key Features

• Genuine ARRMA OEM replacement front/rear differential set
• 43-tooth main gear
• Direct-fit replacement — no modification required
• Restores proper wheel-to-wheel power distribution
• Essential rebuild part for ARRMA drivetrain maintenance

Specifications