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.

Component List Overview (Video)

Watch the walkthrough of the component list and common sourcing tips.


Required Components

Photo Item URL Amazon.com URL AliExpress.com
Injora 550 size 35T Brushed Motor Injora 550 size 35T Brushed Motor  https://amzn.to/4pUZH9K https://s.click.aliexpress.com/e/_c4OgygkJ
An alternative to ⬆️: Injora 550 size 29T Brushed Motor https://amzn.to/4ndGhKY https://s.click.aliexpress.com/e/_c30drQFd
An alternative to ⬆️: Injora 550 size 21T Brushed Motor https://amzn.to/3IFkzkH https://s.click.aliexpress.com/e/_c2vHtSfd
Radiolink CL9030 Motor Controller https://amzn.to/4gDFm4w https://s.click.aliexpress.com/e/_c3e9bwJd
MG90S servo motor https://amzn.to/4niK35B https://s.click.aliexpress.com/e/_c4DWW3KF
Li-Po 3S (Max dimensions: 110 × 35 × 25 mm / 4.33 × 1.38 × 0.98 in) https://amzn.to/3IAJ7eC https://s.click.aliexpress.com/e/_c3rzxGD1
Li-Po Charger https://amzn.to/4nNjQNo https://s.click.aliexpress.com/e/_c44wh971
A better alternative to ⬆️: Li-Po Charger https://amzn.to/4nJGFBg https://s.click.aliexpress.com/e/_c3VdILuL
RC Transmitter - Receiver https://amzn.to/3KmJAl3 https://s.click.aliexpress.com/e/_c4TQsDr1
A better alternative to ⬆️: Radiolink RC4GS https://amzn.to/47piKAC https://s.click.aliexpress.com/e/_c3WKyBgf
A better alternative to ⬆️: Spectrum DX 3 transmitter https://amzn.to/4nVKeoz
Motor Radiator Aluminum Heat Sink https://amzn.to/4os3VEs https://s.click.aliexpress.com/e/_c4rKhIMr
Bearings 6×10×3 https://amzn.to/4pIpP7W https://s.click.aliexpress.com/e/_c4sMVLtN
Bearings 688ZZ (8mm × 16mm × 5mm) https://amzn.to/4nMIei4 https://s.click.aliexpress.com/e/_c35QIsbd
Bearings MR117ZZ (7×11×3mm) https://amzn.to/49caCpH https://s.click.aliexpress.com/e/_c3l7xrzH
Metal Differential https://amzn.to/46lhzTM https://s.click.aliexpress.com/e/_c3rZ6r5z
Drive Shaft https://amzn.to/4gMHNlG https://s.click.aliexpress.com/e/_c4BzmNu3
M2 Threaded Inserts https://amzn.to/4nNlgHF https://s.click.aliexpress.com/e/_c2xRRxVV
Socket head cap screws (Allen screws) with button heads — M2 × 8mm https://amzn.to/46Ajdzt https://s.click.aliexpress.com/e/_c4EG9jcT
Socket head cap screws (Allen screws) with button heads — M2 KIT https://amzn.to/3XieWfT https://s.click.aliexpress.com/e/_c3D2kKlZ

Optional but Highly Recommended

Photo Item URL Amazon.com URL AliExpress.com
Approx Params: Tire Outer Diameter: 2.67" (68mm), Wheel Width: 1.41" (36mm), Wheel Hex Size: 12mm, Axle Hole: 4mm. https://amzn.to/4oTghG3 https://s.click.aliexpress.com/e/_c4lyJKRl
59mm Oil Shock Absorbers https://amzn.to/46SkYcL https://s.click.aliexpress.com/e/_c3EzcOor

Recommended tools to use

Photo Item URL Amazon.com URL AliExpress.com
Soldering Iron https://amzn.to/46A8YLz https://www.aliexpress.com/item/1005007137697649.html
Soldering Tip https://amzn.to/3Kj8wKl https://s.click.aliexpress.com/e/_c3q2fk6R
Tweezers https://amzn.to/4gFYajU https://s.click.aliexpress.com/e/_c34Kltlp
Pliers 6” https://amzn.to/4nU0ztM https://s.click.aliexpress.com/e/_c2x8DCDl
Hex Screwdriver 4 in 1 - Allen Wrenches Set https://amzn.to/4nUzrus https://s.click.aliexpress.com/e/_c3uOvJAr
Electrical Screwdriver set https://amzn.to/4pHaS5O https://s.click.aliexpress.com/e/_c4UDoOJt
Bosh Screwdriver https://amzn.to/3LEmgQF
1.5mm hex wrench https://amzn.to/4mKiW3l https://s.click.aliexpress.com/e/_c4TrG8nD
3D Printer Glue Stick https://amzn.to/4mFEoGD https://s.click.aliexpress.com/e/_c3nN2Q1z
Loctile Threadlocker 222 (purple) https://amzn.to/4nXXEjU https://s.click.aliexpress.com/e/_c2IWu7hH
Silicone Lube https://amzn.to/49pKqIf https://s.click.aliexpress.com/e/_c4PT5xBD
Batteries AA https://amzn.to/49JqekY