Match My Mod
ARRMA Big Rock 3S V3
ARRMA · AR330543 / ARA330543
OEM replacement
ARA4312V3 exploded view specifies AR330543; retailer explicitly identifies Big Rock V3 and Typhon fitment. Source also lists: Typhon 3S.
Important note
Wide-arm geometry; not Granite/Senton.
Confidence: High
Verified Sep 28, 2026
Price not captured
Price and availability may have changed.
RPM · RPM80762
Durability upgrade
Replaces OEM AR330543
RPM replaces AR330543 and flags Big Rock variation by installed OEM arm number. Source also lists: Typhon 3S.
Important note
Confirm AR330543 is installed; older Big Rock variants may use Granite arms. Supporting parts: Verify installed OEM arm number.
Confidence: High
Verified Sep 28, 2026
Last seen: $12.49
Price and availability may have changed.
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