ARAC4015 AR220028 Diff Set Front/Rear 43T Straight Typhon

ARRMA Front/Rear Differential Set – 43T Straight Cut

Part Number: ARAC4015
ARRMA Manufacturer Part: AR220028
Position: Front / Rear
Crown Gear: 43T Straight Cut
Input Gear: 13T

The ARRMA ARAC4015 Front/Rear Differential Set provides the components needed to service or rebuild the front or rear differential on compatible ARRMA vehicles.

This heavy-duty differential features a 43-tooth straight-cut steel crown gear, strong composite differential case, steel internal gears, metal cross shafts, and steel outdrives for durability under demanding high-power RC applications.

Application / Compatibility

Known applications include select:

• ARRMA Typhon 6S
• ARRMA Infraction 6S
• ARRMA Limitless
• Other compatible ARRMA vehicles originally using AR220028 / ARAC4015

Compatibility varies significantly between ARRMA generations, so verify the original differential part number for your exact vehicle before purchasing.

Features

• Genuine ARRMA Replacement Differential Set
• Front or Rear Application
• 43T Straight-Cut Steel Crown Gear
• 13T Input Gear
• Tough Steel Internal Gears
• Strong Composite Differential Case
• Metal Cross Shafts
• Steel Front/Rear Differential Outdrives
• Precision-Manufactured Gear Teeth
• Designed for Consistent High-Speed Performance
• Serviceable Differential Assembly

Includes

• (1) Gear Cover
• (1) Differential Case
• (1) Differential Case Insert
• (4) 10T Satellite Gears
• (2) Metal Cross Shafts
• (2) Planetary Gears
• (2) Front/Rear Differential Outdrives
• (2) 2.25 × 9.8mm Differential Pins
• (2) Silicone O-Rings
• (1) Differential Gasket
• (4) Satellite Gear Shims
• (4) Metal Cross Shaft Inserts
• (1) 13T Input Shaft
• (1) 43T Straight Differential Crown Gear
• (4) M3 × 12mm Button Head Screws
• (1) M4 × 3mm Set Screw

⚠️ IMPORTANT – ORIGINAL ARAC4015 / AR220028

THIS LISTING IS FOR THE ORIGINAL ARRMA ARAC4015 / AR220028 DIFFERENTIAL SET.

ARRMA subsequently introduced ARA310958 as the replacement/successor for ARAC4015. The newer ARA310958 is a factory-assembled 43T straight-cut front/rear differential filled with 7K silicone oil.

This listing is specifically for ARAC4015 / AR220028 as shown, so buyers looking for the original part should verify their vehicle's parts diagram before purchasing.

⚠️ IMPORTANT – SERVICE / ASSEMBLY ITEM

THIS IS NOT THE SAME PRODUCT AS THE NEWER FACTORY-ASSEMBLED ARA310958 DIFFERENTIAL.

Differential fluid and bearings are NOT listed as included with ARAC4015. Assembly and proper differential fluid are required before operation.

Important

THIS LISTING IS FOR ONE ARRMA ARAC4015 FRONT/REAR 43T STRAIGHT DIFFERENTIAL SET ONLY.

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

Pictures are for reference only.