Big Rock 4X4 V3 3S BLX (ARA4312V3) · not V4/223S
Every ARRMA Big Rock 3S V3 part ExactMods has on record, with the source behind its fitment. Only models named by the source are covered.
22 records · 18 categories · 5 upgrades
Match My ModARRMA · 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.
ARRMA · AR330540 / ARA330540
OEM replacement
ARA4312V3 exploded view specifies AR330540; V3 retailer listing pairs it with Big Rock V3. 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.
ARRMA · AR330550 / ARA330550
OEM replacement
V3 exploded view specifies AR330550; explicit listing names Big Rock, Granite, Senton and Typhon 3S. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Important note
No springs; two dampers. Supporting parts: AR330538 front springs shown in V3 diagram.
Confidence: High
Verified Sep 28, 2026
Price not captured
Price and availability may have changed.
ARRMA · AR330551 / ARA330551
OEM replacement
V3 exploded view specifies AR330551; explicit listing names all four 3S families. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Important note
No springs; requires AR330460 or AR330539. Supporting parts: AR330539 rear springs.
Confidence: High
Verified Sep 28, 2026
Last seen: $21.99
Last seen status: In stock
Price and availability may have changed.
ARRMA · AR310780 / ARAC4041
OEM replacement
V3 exploded view specifies AR310780. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Important note
Pair.
Confidence: High
Verified Sep 28, 2026
Last seen: $18.99
Last seen status: In stock
Price and availability may have changed.
ARRMA · AR310864 / ARAC4043
OEM replacement
V3 exploded view specifies AR310864. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Important note
Pair.
Confidence: High
Verified Sep 28, 2026
Last seen: $18.99
Price and availability may have changed.
ARRMA · AR310884 / ARAC3955
OEM replacement
V3 exploded view specifies AR310884; kit includes a long-wheelbase front section. Source also lists: Senton 3S; Typhon 3S; Granite 3S via alternate included section.
Important note
Use long-wheelbase section. Supporting parts: Select correct included section.
Confidence: High
Verified Sep 28, 2026
Last seen: $8.99
Last seen status: In stock
Price and availability may have changed.
ARRMA · ARA310956
OEM assembly
V3 diagram specifies ARA310956; explicit fitment covers all four families. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Important note
One assembled front-or-rear diff; replace ARA311031 as recommended. Supporting parts: ARA311031 recommended.
Confidence: High
Verified Sep 28, 2026
Last seen: $59.99
Last seen status: In stock
Price and availability may have changed.
ARRMA · ARA311031
OEM replacement
V3 differential diagram specifies it; ARRMA requires ARA310872 or ARA310956. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Important note
Matched 1.35-module part. Supporting parts: ARA310872 or ARA310956.
Confidence: High
Verified Sep 28, 2026
Last seen: $9.99
Price and availability may have changed.
ARRMA · AR550052 / ARA550052
OEM replacement
ARA4312V3 diagram specifies AR550052; V3 take-off listing identifies four factory-glued Ragnarok wheels/tires.
Important note
Merchant offer is a set of four take-offs; OEM retail packaging can differ.
Confidence: High
Verified Sep 28, 2026
Price not captured
Price and availability may have changed.
ARRMA · AR320357 / ARAC3476
OEM replacement
V3 rear exploded view specifies AR320357; retailer identifies it as Big Rock body post.
Important note
Broad multi-post pack; choose correct lengths/positions. Supporting parts: Select correct posts from kit.
Confidence: High
Verified Sep 28, 2026
Last seen: $8.99
Last seen status: 5 in stock
Price and availability may have changed.
ARRMA · ARA340179
OEM replacement
Exact replacement list names ARA4312V3, ARA4303V3, ARA4302V3 and ARA4306V3. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Important note
Servo saver sold separately.
Confidence: High
Verified Sep 28, 2026
Last seen: $9.99
Last seen status: In stock
Price and availability may have changed.
ARRMA · AR330542 / ARA330542
OEM replacement
V3 exploded view uses AR330542; exact Big Rock V3 spares listing carries ARA330542. Source also lists: Granite 3S; Senton 3S; Typhon family listings exist.
Important note
Pair only; determine whether steering or camber position is being serviced. Supporting parts: Existing rod ends/pivot balls.
Confidence: High
Verified Sep 28, 2026
Last seen: £7.59
Last seen status: Ships same day
Price and availability may have changed.
ARRMA · ARA320613
OEM replacement
V3 exploded view specifies ARA320613; retailer explicitly lists Big Rock and Granite BLX compatibility. Source also lists: Granite 3S.
Important note
Full assembled bar; mounting hardware included according to retailer. Supporting parts: Rear bumper.
Confidence: High
Verified Sep 28, 2026
Last seen: $18.99
Price and availability may have changed.
ARRMA · ARA610041
OEM replacement
V3 front/rear exploded view specifies ARA610041; ARRMA sells two rubber-shielded bearings. Source also lists: Granite 3S; Senton 3S; Typhon 3S through shared V3 exploded-view callout.
Important note
Only two bearings per pack; full vehicle quantity is higher. Supporting parts: Buy required quantity.
Confidence: High
Verified Sep 28, 2026
Last seen: $9.99
Last seen status: In stock
Price and availability may have changed.
FastEddy · TFE6457
Full bearing kit
Manufacturer explicitly names Big Rock 3S BLX V3.
Important note
Full kit; Horizon listing marks this SKU discontinued, although other merchants may stock it.
Confidence: High
Verified Sep 28, 2026
Discontinued online
Price and availability may have changed.
Pro-Line · PRO1011010
Performance replacement
Pro-Line explicitly supports Big Rock 3S using included 14mm adapters. Source also lists: Granite 3S.
Important note
Two tires; larger MT setup. Supporting parts: Included 14mm adapters.
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.
RPM · RPM80842
Durability upgrade
Replaces OEM ARA330540
RPM replaces ARA330540 and cautions Big Rock owners to verify the installed arm. Source also lists: Typhon 3S.
Important note
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.
Integy · C28854
Steel CVD upgrade
Replaces OEM AR310780; AR310864
Manufacturer explicitly lists ARA4312V3 and replacement of stock front/rear shafts; sold as a pair for either end. Source also lists: Granite ARA4302V3; Senton ARA4303V3; Typhon ARA4306V3.
Important note
Two pairs needed for a complete chassis. Supporting parts: Second pair for all four corners.
Confidence: High
Verified Sep 28, 2026
Price not captured
Price and availability may have changed.
Pro-Line · PRO637500
Adjustable upgrade
Retailer explicitly supports Big Rock, Granite and Senton 4x4. Source also lists: Granite 3S; Senton 3S.
Important note
Exact V3 product code not stated. Supporting parts: Alternate body shell as applicable.
Check your revision
The source does not confirm the exact ARA4312V3 revision. Read the note and check your model before buying.
Confidence: Medium-High
Verified Sep 28, 2026
Last seen: $14.99
Price and availability may have changed.
ARRMA · AR310904 + AR310905 + AR310906
Conversion
These three components appear together at each corner in the Big Rock V3 exploded view; retailer describes them as the parts needed for a 17mm conversion and names Big Rock, Granite, Senton and Typhon. Source also lists: Granite 3S; Senton 3S; Typhon 3S.
Important note
Four corners require two packs of two hexes and axles plus one four-nut pack; verify desired wheel offset. Supporting parts: AR310904 hexes, AR310905 axles, AR310906 nuts; quantities for four corners.
Confidence: High
Verified Sep 28, 2026
Price not captured
Last seen status: Mixed stock by component
Price and availability may have changed.
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