3D Printed RC Car Parts List (BOM) – MadBaxRC Component List
This page is a complete 3D printed RC car parts list (BOM) for a working build. It includes required electronics, drivetrain components, hardware, and recommended tools (with Amazon & AliExpress links).
Important fit constraint:
Recommended Li-Po 3S battery maximum size: 110 × 35 × 25 mm (4.33 × 1.38 × 0.98 in). Batteries larger than this may not fit the chassis.
Recommended Li-Po 3S battery maximum size: 110 × 35 × 25 mm (4.33 × 1.38 × 0.98 in). Batteries larger than this may not fit the chassis.
Component List Overview (Video)
Watch the walkthrough of the component list and common sourcing tips.
Required Components
Update 2026: AliExpress sellers often change products or links, which can be confusing. To avoid this, we have removed all AliExpress links. You can still purchase the same parts on Amazon or search for them from any trusted supplier.
| Photo | Item | URL Amazon.com |
|---|---|---|
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Injora 550 size 35T Brushed Motor | https://amzn.to/4pUZH9K |
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An alternative to ⬆️: Injora 550 size 29T Brushed Motor | https://amzn.to/4ndGhKY |
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An alternative to ⬆️: Injora 550 size 21T Brushed Motor | https://amzn.to/3IFkzkH |
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Radiolink CL9030 Motor Controller | https://amzn.to/4gDFm4w |
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MG90S servo motor | https://amzn.to/4niK35B |
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Li-Po 3S (Max dimensions: 110 × 35 × 25 mm / 4.33 × 1.38 × 0.98 in) | https://amzn.to/3IAJ7eC |
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Li-Po Charger | https://amzn.to/4nNjQNo |
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A better alternative to ⬆️: Li-Po Charger | https://amzn.to/4nJGFBg |
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RC Transmitter - Receiver | https://amzn.to/3KmJAl3 |
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A better alternative to ⬆️: Radiolink RC4GS | https://amzn.to/47piKAC |
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A better alternative to ⬆️: Spectrum DX 3 transmitter | https://amzn.to/4nVKeoz |
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Motor Radiator Aluminum Heat Sink | https://amzn.to/4os3VEs |
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Bearings 6×10×3 | https://amzn.to/4pIpP7W |
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Bearings 688ZZ (8mm × 16mm × 5mm) | https://amzn.to/4nMIei4 |
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Bearings MR117ZZ (7×11×3mm) | https://amzn.to/49caCpH |
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Metal Differential | https://amzn.to/46lhzTM |
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Drive Shaft | https://amzn.to/4gMHNlG |
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M2 Threaded Inserts | https://amzn.to/4nNlgHF |
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Socket head cap screws (Allen screws) with button heads — M2 × 8mm | https://amzn.to/46Ajdzt |
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Socket head cap screws (Allen screws) with button heads — M2 KIT | https://amzn.to/3XieWfT |
Optional but Highly Recommended
| Photo | Item | URL Amazon.com |
|---|---|---|
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Approx Params: Tire Outer Diameter: 2.67" (68mm), Wheel Width: 1.41" (36mm), Wheel Hex Size: 12mm, Axle Hole: 4mm. | https://amzn.to/4oTghG3 |
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59mm Oil Shock Absorbers | https://amzn.to/46SkYcL |
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Steering Rod Ends |
Filament
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Polymake CoPA Nylon Filament. A sturdy option for chassis parts | https://amzn.to/40Zjlq1 |
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Polymaker PETG | https://amzn.to/47mG4jy |
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Polymaker PLA | https://amzn.to/47oEGNo |
Recommended tools to use
| Photo | Item | URL Amazon.com |
|---|---|---|
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Soldering Iron | https://amzn.to/46A8YLz |
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Soldering Tip | https://amzn.to/3Kj8wKl |
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Tweezers | https://amzn.to/4gFYajU |
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Pliers 6” | https://amzn.to/4nU0ztM |
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Hex Screwdriver 4 in 1 - Allen Wrenches Set | https://amzn.to/4nUzrus |
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Electrical Screwdriver set | https://amzn.to/4pHaS5O |
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Bosh Screwdriver | https://amzn.to/3LEmgQF |
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1.5mm hex wrench | https://amzn.to/4mKiW3l |
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3D Printer Glue Stick | https://amzn.to/4mFEoGD |
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Loctile Threadlocker 222 (purple) | https://amzn.to/4nXXEjU |
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Silicone Lube | https://amzn.to/49pKqIf |
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Batteries AA | https://amzn.to/49JqekY |
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Epoxy Glue for PLA and other filaments |
Sanding, polishing, painting and coat
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Polishing Compound | https://amzn.to/4b7unj0 |
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Sanding Disc Polishing Kit | https://amzn.to/4dhJIi8 |
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Rust-Oleum 334029 Painter's Touch 2X Ultra Cover Spray Paint, 12 oz, Gloss Clear |
https://amzn.to/4sIBOTz |
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Dupli-Color Perfect Match Premium Automotive Paint, Victory Red, 8 oz | https://amzn.to/4129KP6 |
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Rust-Oleum Automotive Filler Primer Spray Paint in Grey, 340g | https://amzn.to/46Z00sp |
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Gorilla Glue Epoxy | https://amzn.to/4roBqbJ |