AR220041 ARAC4004 Diff Set Front/Rear 43T Spiral Kraton

ARRMA Front / Rear Differential Set – 43T Spiral

Part Number: ARAC4004
Manufacturer Part Number: AR220041
Brand: ARRMA
Position: Front or Rear
Crown Gear: 43T Spiral Cut

The ARRMA ARAC4004 / AR220041 Front or Rear Differential Set is a genuine ARRMA replacement differential kit designed for servicing compatible ARRMA drivetrains.

It features a 43T spiral-cut crown gear, steel internal gears, metal cross shafts, steel outdrives, bearings, shims, and the differential case components needed for a complete differential rebuild.

Key Features

• Genuine ARRMA Replacement Part
• 43T Spiral-Cut Crown Gear
• Front or Rear Differential Application
• Steel Internal Gears
• Metal Cross Shafts
• Steel Differential Outdrives
• Rubber-Shielded Bearings Included
• Differential Case Included
• Complete Service / Rebuild Set
• Heavy-Duty ARRMA Drivetrain Construction

Includes

• (1) Differential Case
• (4) 10T Satellite Gears
• (2) Metal Cross Shafts
• (2) Planetary Gears
• (2) Front/Rear Differential Outdrives
• (2) 2.25 × 9.8mm Diff Pins
• (2) Silicone O-Rings
• (1) Differential Gasket
• (4) Satellite Gear Shims
• (4) Metal Cross Shaft Inserts
• (1) 43T Spiral Differential Crown Gear
• (2) 8 × 16 × 5mm Rubber-Shielded Bearings
• Differential Shims
• Mounting Hardware

⚠️ IMPORTANT – ORIGINAL ARAC4004 / AR220041

This listing is for the original ARRMA ARAC4004 / AR220041 43T Spiral Differential Set.

ARRMA later replaced this part number with ARA310957 – Front/Rear Spiral 43T Differential Set with 10K fluid.

If you are specifically looking for the original ARAC4004 / AR220041, this is the correct listing.

Important

THIS LISTING IS FOR ONE FRONT OR REAR DIFFERENTIAL SET.

Please verify ARAC4004 / AR220041 compatibility with your exact ARRMA model and generation before purchasing.

Vehicle, differential fluid, tools, and other drivetrain components not specifically listed above are NOT included.