ARRMA AR310865 Diff Planet Gear Set 4x4 Steel 4pcs ARAC4027

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SKU: ARAC4027
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The ARRMA AR310865 diff planet gear set is a genuine steel replacement gear pack for compatible ARRMA differentials, helping restore smooth internal differential operation after wear, damage or heavy RC use.

These differential planet gears are precision manufactured from tough steel for consistent gear engagement inside the diff assembly. The pack includes four planet gears, providing the required replacement gear set for servicing one compatible ARRMA differential where AR310865 or ARAC4027 is listed in the vehicle manual.

Features

  • Genuine ARRMA Replacement Part: Designed as a factory replacement differential gear set for compatible ARRMA vehicles
  • Steel Construction: Tough and durable material suited to demanding RC drivetrain use
  • Precision Manufactured Gear Teeth: Helps provide consistent differential performance when correctly installed
  • Four-Gear Set: Supplied as a set of four planet gears to service one compatible differential
  • Useful Drivetrain Spare: Ideal for replacing worn, chipped or damaged internal diff gears
  • Compatible Diff Service Part: Suits ARRMA vehicles where AR310865 or ARAC4027 is listed in the manual

Specifications

  • Brand: ARRMA
  • Part Number: AR310865
  • Alternate Item Number: ARAC4027
  • Barcode: 5052127029681
  • Product Type: Differential planet gear set
  • Vehicle Compatibility: ARRMA vehicles where AR310865 or ARAC4027 is listed
  • Common Listed Applications: ARRMA Granite, Senton and Big Rock 4x4 MEGA and BLX platforms where confirmed by the vehicle manual
  • Material: Steel
  • Position: Internal differential assembly
  • Quantity: 4 differential planet gears
  • Intended Use: Replacement internal differential repair part for compatible ARRMA RC vehicles

Includes

  • 4 x ARRMA differential planet gears

FAQ

How many diff planet gears are included? This pack includes four ARRMA differential planet gears, which provides the replacement planet gear set for one compatible differential.

When should diff planet gears be replaced? Diff planet gears should be replaced if the teeth are chipped, rounded, heavily worn or causing clicking, binding or inconsistent differential action.

Does this set fit every ARRMA vehicle? No. This set fits ARRMA vehicles where AR310865 or ARAC4027 is listed in the manual, so OZRC recommends checking your vehicle manual before ordering.

Are diff oil and gaskets included? No. This listing includes the four planet gears only. Diff oil, gaskets, shims, bearings, cases and other internal diff parts are not included unless listed separately.

Important Notes

  • Check your ARRMA vehicle manual to confirm AR310865 or ARAC4027 is the correct replacement part before ordering.
  • This pack includes differential planet gears only.
  • Diff oil, gaskets, shims, bearings, pins, output gears and diff cases are not included unless listed separately.
  • Inspect the full differential assembly during servicing, as worn outdrives, pins or sun gears can damage new planet gears.
  • Refill the differential with the correct oil or grease specified for your vehicle during reassembly.