Differential service

Arrma Granite 3S BLX V3, ARA4302V3; original equipment covered by the cited edition.

Start with the correct reference

Manufacturer exploded view identifies the assembly and its numbered parts. It does not provide a complete rebuild sequence or replacement shopping list.

Differential assembly reference, PDF p. 5 (opens in a new tab)
Assembly drawing · ARA4302V3 exploded view
An assembly drawing shows the components; it does not provide a complete service sequence.

Parts, tools and consumables

Listed in the reference

Differential Gasket (2): 4x4 BLXpart
AR310875
ARRMA Differential Gasket (2): 4x4 BLXIllustration available on part page
Match the position shown in the exact-model differential diagram.
Requirement source, PDF p. 5 (opens in a new tab)
O-Ring, 7.8x2.2mm (4pcs)part
ARA716034
ARRMA O-Ring, 7.8x2.2mm (4pcs)Illustration available on part page
Match the position shown in the exact-model differential diagram.
Requirement source, PDF p. 5 (opens in a new tab)

Part links open an exact-model OEM listing. Quantities, reused hardware and condition-dependent replacements may need checking in the manual. A listed part is not an instruction to replace it.

Setup specifications

Differentials: Gear front and rearStock
Sources
Source 1: horizonhobby.com (opens in a new tab)

Keep the axle positions and original units shown. Values describe the cited configuration. Replacement-derived and community figures keep their stated basis.