Parts / Option Parts

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Take your RC car's performance to the next level with Koswork's option parts and hop-ups. From drivetrain upgrades and suspension components to chassis reinforcements — precision-engineered parts built for competitive RC racing.

Koswork Hard Coated Aluminum 5.5mm Compact Nut Driver (For 3mm nut) KOS13204-N55

$11.99

Koswork Flat Head Engine Tuning Screwdriver 4.0mm KOS13204-F4

$10.99

Koswork 1/4" Drive Hex Wrench Nut Driver Set (1.5, 2.0, 2.5mm Hex & 5.5, 7mm Nut Driver) KOS13204-1/4SET

$34.99

Koswork 3x13.8mm Hardened Driveshaft Pins (w/container) (8) KOS10003

$3.99

Koswork Mod 1 M1 15~18T Aluminum Lightweight Pinion Gear (for 5mm shaft, w/high torque set screw) KOS03009-15/16/17

$9.99

Koswork Mod 1 M1 13~18T Lightweight Hardened Steel Pinion Gear (for 5mm shaft, w/high torque set screw) KOS03006-13/14/15/16/17/18

$9.99

Koswork P4 Low Friction O Ring (w/special o-ring grease) (for 4mm shaft) (8pcs) Tekno KOS02013

$6.99

Koswork Low Friction X Ring (w/special o-ring grease) (for 3mm shaft) (8pcs) Associated Kyosho Yokomo KOS02001

$6.99

Koswork 48P 17T~38T Aluminum Thin Lightweight Pinion Gear KOS03001-17/18/19/20/21/22/23/24/25/26/27/28/29/30/31/32/33/34/35/36/37/38

From $6.99

Koswork Tekno EB/NB/ET/NT48 2.0/2.1 Carbon Spindle Arms (B & D) KOS04013BD

$10.99

Koswork Tekno EB/NB/ET/NT48 2.0/2.1 Carbon Spindle Arms (A & C) KOS04013AC

$10.99

Koswork Tekno EB/NB/ET/NT48 2.0/2.1 Carbon Ackerman Plate KOS04006

$9.99

Koswork Tekno EB48/NB48 2.0/2.1 Front & Rear Carbon Shock Tower Set KOS04003

$49.99

Koswork Tekno EB48/NB48 2.0/2.1 Rear Carbon Shock Tower KOS04002

$29.99

Koswork Tekno EB48/NB48 2.0/2.1 Front Carbon Shock Tower (+5 Camber Postion) KOS04001

$24.99

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