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Arrma Outcast 8S Spares & Parts

Keep your Arrma Outcast 8S ripping with our full range of genuine spares and popular upgrades. From suspension arms, hubs and turnbuckles to shock towers, driveshafts, diff parts, bearings, body hardware and wheels/tyres, you’ll find the essentials to repair, refresh or toughen your truck.

We stock official Arrma parts alongside trusted brands: Spektrum for radios, servos and electronics, RPM for tough composite upgrades, Dynamite for tools, oils and maintenance gear, and Excel for quality screws, shims and hardware. Many components are shared across the Arrma 8S platform, but specs can vary by revision (BLX, EXB, V1/V2), so always match part numbers from your manual or our product compatibility notes before ordering.

Use the filters to jump to the assembly you’re working on (front, centre, rear) or to find common service items such as bearings, diff oils, spur/pinion gears and rebuild kits. Need help identifying a part? Our knowledgeable team are RC enthusiasts and are happy to advise.

With large UK stocks and fast dispatch, we offer convenient delivery options including next-day across the UK. Order your Outcast 8S spares today and get back to bashing with confidence.
ARAC3000 Arrma Antenna Pipe Set
AR390001

ARAC3000 Arrma Antenna Pipe Set

£4.74
Out Of Stock
Expected: May 6th
ARAC9884 Arrma Cap Head Screw M4X10mm (4Pcs)
AR723410

ARAC9884 Arrma Cap Head Screw M4X10mm (4Pcs)

£4.74
Supplier Stock
Expected: May 23rd
ARAC9909 Arrma Set Screw M4X4mm (10Pcs)
AR724404

ARAC9909 Arrma Set Screw M4X4mm (10Pcs)

£4.74
Out Of Stock
Expected: May 6th
ARAC9870 Double Socket Buttn Head Screw 4x10mm (8)
AR727410

ARAC9870 Double Socket Buttn Head Screw 4x10mm (8)

£9.49
Out Of Stock
Expected: June 20th
Main Diff Gear 39T Spiral
ARA310911

Main Diff Gear 39T Spiral

£47.49
Supplier Stock
Expected: May 23rd
Main Input Gear 12T Spiral
ARA310912

Main Input Gear 12T Spiral

£30.88
Supplier Stock
Expected: May 23rd
Steel Diff Outdrive (2)
Diff Internal Gear Set (1 Diff)
ARA310914

Diff Internal Gear Set (1 Diff)

£30.88
Supplier Stock
Expected: May 6th
Diff Case
ARA310915

Diff Case

£18.99
Shadow Stock
Diff Inserts (4)
ARA310916

Diff Inserts (4)

£18.99
Supplier Stock
Expected: May 23rd
Center Diff Gear Spacer (3)
ARA310917

Center Diff Gear Spacer (3)

£4.74
Supplier Stock
Expected: May 23rd
Aluminium Center Diff Case Set (1 Diff)
ARA310919

Aluminium Center Diff Case Set (1 Diff)

£37.99
Out Of Stock
Expected: September 5th
Spur Gear 47T
ARA310920

Spur Gear 47T

£37.99
Supplier Stock
Expected: May 23rd
Idler Gear 19T
ARA310921

Idler Gear 19T

£9.49
Shadow Stock
Gearbox Input Shaft
ARA310922

Gearbox Input Shaft

£10.44
Out Of Stock
Expected: August 8th
CVD Driveshaft 148mm
ARA310923

CVD Driveshaft 148mm

£18.99
Supplier Stock
Expected: May 23rd
CVD Driveshaft 182mm
Aluminium Wheel Hex 24mm (Red) (2)
ARA310928

Aluminium Wheel Hex 24mm (Red) (2)

£18.99
Out Of Stock
Expected: August 8th
Centre Gearbox Case Set
CVD Axle 12x58mm (2)
Outboard CVD Rebuild Set (2)
Inboard CVD Rebuild Set (2)
ARA310934

Inboard CVD Rebuild Set (2)

£10.44
Supplier Stock
Expected: May 23rd
Gearbox Case Set
ARA310935

Gearbox Case Set

£30.88
Shadow Stock
Gasket (4)
ARA310936

Gasket (4)

£10.44
In Stock
14T Mod1 Safe-D5 Pinion Gear
15T Mod1 Safe-D5 Pinion Gear
16T Mod1 Safe-D5 Pinion Gear
17T Mod1 Safe-D5 Pinion Gear
18T Mod1 Safe-D5 Pinion Gear
19T Mod1 Safe-D5 Pinion Gear
ARA310966

19T Mod1 Safe-D5 Pinion Gear

£18.99
Out Of Stock
Expected: June 20th
20T Mod1 Safe-D5 Pinion Gear
21T Mod1 Safe-D5 Pinion Gear
22T Mod1 Safe-D5 Pinion Gear
ARA310969

22T Mod1 Safe-D5 Pinion Gear

£18.99
Out Of Stock
Expected: June 20th
23T Mod1 Safe-D5 Pinion Gear
24T Mod1 Safe-D5 Pinion Gear
25T Mod1 Safe-D5 Pinion Gear
ARA310972

25T Mod1 Safe-D5 Pinion Gear

£18.99
Supplier Stock
Expected: May 23rd
CVD Driveshaft 136mm
Arrma 17T Mod 1 (1M) 8mm D Safe Pinion Gear
ARA311037

Arrma 17T Mod 1 (1M) 8mm D Safe Pinion Gear

£18.99
Supplier Stock
Expected: May 23rd
Arrma 18T Mod 1 (1M) 8mm D Safe Pinion Gear
ARA311038

Arrma 18T Mod 1 (1M) 8mm D Safe Pinion Gear

£18.99
Out Of Stock
Expected: June 20th
20T Mod1 Safe-D8 Pinion Gear
21T Mod1 Safe-D8 Pinion Gear
ARA311041

21T Mod1 Safe-D8 Pinion Gear

£18.99
Supplier Stock
Expected: May 23rd
22T Mod1 Safe-D8 Pinion Gear
23T Mod1 Safe-D8 Pinion Gear
ARA311043

23T Mod1 Safe-D8 Pinion Gear

£18.99
Out Of Stock
Expected: July 25th
24T Mod1 Safe-D8 Pinion Gear
25T Mod1 Safe-D8 Pinion Gear
ARA311045

25T Mod1 Safe-D8 Pinion Gear

£18.99
Supplier Stock
Expected: May 23rd
26T Mod1 Safe-D8 Pinion Gear
ARA311046

26T Mod1 Safe-D8 Pinion Gear

£18.99
Out Of Stock
Expected: June 20th
27T Mod1 Safe-D8 Pinion Gear
28T Mod1 Safe-D8 Pinion Gear
29T Mod1 Safe-D8 Pinion Gear
ARA311049

29T Mod1 Safe-D8 Pinion Gear

£18.99
Supplier Stock
Expected: May 23rd
30T Mod1 Safe-D8 Pinion Gear
Spur Gear 39T
ARA311051

Spur Gear 39T

£37.99
Shadow Stock
26T Mod1 Safe-D5 Pinion Gear
27T Mod1 Safe-D5 Pinion Gear
28T Mod1 Safe-D5 Pinion Gear
29T Mod1 Safe-D5 Pinion Gear
30T Mod1 Safe-D5 Pinion Gear
Aluminium Chassis 445mm
Side Guard Set
ARA320472

Side Guard Set

£30.88
Out Of Stock
Stone Guards (1 Pair)
Steering Top Plate
ARA320474

Steering Top Plate

£10.44
Shadow Stock
Shock Tower H
ARA320476

Shock Tower H

£18.99
Out Of Stock
Skid Plate Set
ARA320479

Skid Plate Set

£10.44
Shadow Stock
Battery Strap (2)
ARA320480

Battery Strap (2)

£18.99
Supplier Stock
Expected: May 23rd
Center Tower
ARA320481

Center Tower

£10.44
Out Of Stock
Aluminium Motor Mount (Red)
Gearbox Silicone Seal Set (3)
Wing Mount
ARA320492

Wing Mount

£23.74
In Stock
Receiver Box Seal Set
Battery Box Set Left
Brace Mount Pin 36mm (2)
Showing 1 - 96 of 277 items