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Discover the most popular Koswork RC parts and accessories chosen by racers around the world. From precision shock oils and diff fluids to essential pit tools — these are the products our customers trust most.

Koswork Antenna Tube & Cap (1pcs/ea) KOS05901
Koswork Antenna Tube & Cap (1pcs/ea) KOS05901
$1.50
Koswork 7.2V 4600mAh NiMH Stick Battery Pack (T Style Plug) KOS05301-4600
Koswork 7.2V 4600mAh NiMH Stick Battery Pack (T Style Plug) KOS05301-4600
$50.00
Koswork 48mm Post (Vacuum Pump) KOS05111-8
Koswork 48mm Post (Vacuum Pump) KOS05111-8
$3.99
Koswork 4S 30cm Charge/Balance Extension Wire/Lead/Adapter (22AWG, XH Male to XH Female) KOS05071-430
Koswork 4S 30cm Charge/Balance Extension Wire/Lead/Adapter (22AWG, XH Male to XH Female) KOS05071-430
$4.49
Koswork Nitro Engine Starter Set (w/glow igniter set, fuel bottle, wrenches & screwdriver) KOS05006
Koswork Nitro Engine Starter Set (w/glow igniter set, fuel bottle, wrenches & screwdriver) KOS05006
$33.00
Koswork 64P 28T~47T Aluminum Thin Lightweight Pinion Gear KOS03004-28/29/30/31/32/33/34/35/36/37/38/39/40/41/42/43/44/45/46/47
Koswork 64P 28T~47T Aluminum Thin Lightweight Pinion Gear KOS03004-28/29/30/31/32/33/34/35/36/37/38/39/40/41/42/43/44/45/46/47
$8.00
Koswork 4mm Hex Set Screws Hardened Steel Screw (w/container) (8) KOSSS403/404/405/408/504
Koswork 4mm Hex Set Screws Hardened Steel Screw (w/container) (8) KOSSS403/404/405/408/504
$3.49
Koswork 3mm Hex Set Screws Hardened Steel Screw (w/container) (8) KOSSS3026/303/304/305/306/308/310/312/316/320/325
Koswork 3mm Hex Set Screws Hardened Steel Screw (w/container) (8) KOSSS3026/303/304/305/306/308/310/312/316/320/325
From $3.49
Koswork 53g Stick LiPo Weight 136x46x1.0mm KOS04232
Koswork 53g Stick LiPo Weight 136x46x1.0mm KOS04232
$9.00
Koswork 36g Shorty LiPo Weight 94x46x1.0mm KOS04222
Koswork 36g Shorty LiPo Weight 94x46x1.0mm KOS04222
$7.00
Koswork 5g Weight (2) KOS04201
Koswork 5g Weight (2) KOS04201
$6.00
Koswork 5/64" 2mm Japan Precision Differential Thrust Balls (w/container) (6) (B6/B7 Series & Associated 2WD Cars) KOS04131
Koswork 5/64" 2mm Japan Precision Differential Thrust Balls (w/container) (6) (B6/B7 Series & Associated 2WD Cars) KOS04131
$2.00
Koswork 4mm Button Head Hex Hardened Steel Screw (w/container) (8) KOSBS408/410/412/414/416
Koswork 4mm Button Head Hex Hardened Steel Screw (w/container) (8) KOSBS408/410/412/414/416
$3.99
Koswork Paint Rack (6 Layer) KOS50720SIX
Koswork Paint Rack (6 Layer) KOS50720SIX
$280.00
Koswork Competition Engine Air Filter Oil 30ml KOS50021
Koswork Competition Engine Air Filter Oil 30ml KOS50021
$4.99
Koswork Black Grease Tube 4ml KOS50007
Koswork Black Grease Tube 4ml KOS50007
$3.99
Koswork 5x7mm 5mm Shaft Shims KOS40507/-01/-03
Koswork 5x7mm 5mm Shaft Shims KOS40507/-01/-03
$2.99
Koswork 3x5.5mm 3mm Aluminum Washer (8pcs) KOS40355-1/2/1B/2B/3N
Koswork 3x5.5mm 3mm Aluminum Washer (8pcs) KOS40355-1/2/1B/2B/3N
$5.00
Koswork 3x4.8x0.3mm Crank Extend & Bearing Clearance Shims (8pcs) KOS40348-03
Koswork 3x4.8x0.3mm Crank Extend & Bearing Clearance Shims (8pcs) KOS40348-03
$2.99
Koswork 3x8x0.5mm 3mm Aluminum Washer Blue (8pcs) KOS40308-05B
Koswork 3x8x0.5mm 3mm Aluminum Washer Blue (8pcs) KOS40308-05B
$5.00
Koswork Classic Transmitter Bag / Radio Bag (w/Adjustable Partition Plate) KOS32261
Koswork Classic Transmitter Bag / Radio Bag (w/Adjustable Partition Plate) KOS32261
$34.99
Koswork Foldable Tool Bag 285x180mm KOS32215
Koswork Foldable Tool Bag 285x180mm KOS32215
$29.99
Koswork Leisure Backpack/ 1/10 Car Backpack KOS32203
Koswork Leisure Backpack/ 1/10 Car Backpack KOS32203
$74.99
Koswork Leisure Bag/Transmitter Bag KOS32202
Koswork Leisure Bag/Transmitter Bag KOS32202
$44.99
Koswork Pit Mat 120x60cm (w/bag) KOS32141
Koswork Pit Mat 120x60cm (w/bag) KOS32141
$20.00
Koswork Assembly Tray / Cleaning Tray 750*550mm (1/8 Buggy, 1/8 Onroad & 1/10 SC Truck) KOS32120-750BK/G
Koswork Assembly Tray / Cleaning Tray 750*550mm (1/8 Buggy, 1/8 Onroad & 1/10 SC Truck) KOS32120-750BK/G
$34.99
Koswork Assembly Tray / Cleaning Tray 550*450mm (1/10 Buggy & Onroad) KOS32120-550BK/G
Koswork Assembly Tray / Cleaning Tray 550*450mm (1/10 Buggy & Onroad) KOS32120-550BK/G
$22.99
Koswork Assembly Tray / Cleaning Tray / Large Drawer Lid 510*350*30mm Black KOS32120-510BK
Koswork Assembly Tray / Cleaning Tray / Large Drawer Lid 510*350*30mm Black KOS32120-510BK
$19.99
Koswork Assembly Tray / Cleaning Tray / Medium Drawer Lid 355*255*30mm Black KOS32120-350BK
Koswork Assembly Tray / Cleaning Tray / Medium Drawer Lid 355*255*30mm Black KOS32120-350BK
$14.99
Koswork 7 Compartments Parts Box 165x34x25mm (3 sets) KOS32117
Koswork 7 Compartments Parts Box 165x34x25mm (3 sets) KOS32117
$5.99
Koswork 7x7 Parts Box 245x175x38mm (49 compartments, 7 each row) KOS32116
Koswork 7x7 Parts Box 245x175x38mm (49 compartments, 7 each row) KOS32116
$15.99
Koswork Parts Tray 245*175*18mm KOS32101B/BK/G/W
Koswork Parts Tray 245*175*18mm KOS32101B/BK/G/W
$14.99
Koswork Clear Round Container (w/lid, ID 29mm, H15mm) (5pcs) KOS14012
Koswork Clear Round Container (w/lid, ID 29mm, H15mm) (5pcs) KOS14012
$2.99
Koswork Alum Ride Height Gauge Plate KOS13001-13/28/37
Koswork Alum Ride Height Gauge Plate KOS13001-13/28/37
From $4.99
Koswork Alum Ride Height Gauge Set KOS13300-1316/1619/1922/2225/2528
Koswork Alum Ride Height Gauge Set KOS13300-1316/1619/1922/2225/2528
From $13.49
Koswork Mini-Z Mini Car Tool Set (6pcs) (Alum Tri Handle) KOS13252-MINI6
Koswork Mini-Z Mini Car Tool Set (6pcs) (Alum Tri Handle) KOS13252-MINI6
$57.99
Koswork Mini-Z 4pcs Mini Car Tool Set (H1.5, N4.5, P00 & P1) (Alum Tri Handle) KOS13252-MINI4
Koswork Mini-Z 4pcs Mini Car Tool Set (H1.5, N4.5, P00 & P1) (Alum Tri Handle) KOS13252-MINI4
$42.99
Koswork Hex Wrench 1.5/2.0/2.5/3.0mm (w/75mm Tip) (Alum. Tri Handle) KOS13252-H15/H20/H25/H30/HSET3/HSET4
Koswork Hex Wrench 1.5/2.0/2.5/3.0mm (w/75mm Tip) (Alum. Tri Handle) KOS13252-H15/H20/H25/H30/HSET3/HSET4
From $10.99
Koswork Hard Coated Aluminum 7mm Compact Wheel Nut Driver (For 4mm nut) (Light Tri Handle) KOS13251-N7
Koswork Hard Coated Aluminum 7mm Compact Wheel Nut Driver (For 4mm nut) (Light Tri Handle) KOS13251-N7
$13.49
Koswork Hard Coated Aluminum 5.5mm Compact Nut Driver (For 3mm nut) (Alum. Tri Handle) KOS13251-N55
Koswork Hard Coated Aluminum 5.5mm Compact Nut Driver (For 3mm nut) (Alum. Tri Handle) KOS13251-N55
$12.99
Koswork Ball End Hex Wrench 2.0/2.5mm (w/120mm Tip) (Alum. Tri Handle) KOS13251-H20B/H25B
Koswork Ball End Hex Wrench 2.0/2.5mm (w/120mm Tip) (Alum. Tri Handle) KOS13251-H20B/H25B
From $12.49
Koswork Hex Wrench 1.5/2.0/2.5/3.0mm (w/120mm Tip) (Alum. Tri Handle) KOS13251-H15/H20/H25/H30/HSET3/HSET4
Koswork Hex Wrench 1.5/2.0/2.5/3.0mm (w/120mm Tip) (Alum. Tri Handle) KOS13251-H15/H20/H25/H30/HSET3/HSET4
From $11.99
Koswork Flat Head Engine Tuning Screwdriver 4.0mm (Alum. Tri Handle) KOS13251-F4
Koswork Flat Head Engine Tuning Screwdriver 4.0mm (Alum. Tri Handle) KOS13251-F4
$11.99
Koswork Hard Coated Aluminum Ballcup Wrench (1/10) (Alum Tri Handle) KOS13251-CUP
Koswork Hard Coated Aluminum Ballcup Wrench (1/10) (Alum Tri Handle) KOS13251-CUP
$13.99
Koswork Complete Tool Kit V2 w/Pouch (Light Large Tri Handle) KOS13246V2
Koswork Complete Tool Kit V2 w/Pouch (Light Large Tri Handle) KOS13246V2
$40.00