Differential input gear

OEM Replacement1

OEM

ARRMA · ARA311031

HD Input Gear 13T

OEM replacement

V3 differential diagram specifies ARA311031; ARRMA requires use with ARA310872 or ARA310956. Source also lists: Granite 3S; Big Rock 3S; Typhon 3S through shared V3 diff assembly.

Important note

Replace/match with specified 37T case or complete diff. Supporting parts: ARA310872 or ARA310956.

Confidence: High

Verified Sep 28, 2026

Last seen: $9.99

View at ARRMA

Price and availability may have changed.

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