PARTS-FIRST AUTOMOTIVE EDUCATION

Know the part.
Understand the machine.

Search a component, open its system, see what it does, where it lives, what it works with, what failure feels like, and how the whole system moves around it.

Loading component index…Gas · diesel · hybrid · EVBeginner-first
01 / PARTS LIBRARY
START HERE

Pick a system.
Open the hardware.

Choose a system below or search directly for a part. Each page starts in plain English, then lets you go deeper only when you want to.

01.01

Select a part

LEARN NEXT
SYSTEM VIEW

Follow what moves.

energy / force fluid / air electrical / control
02 / VEHICLE ARCHITECTURE
DIFFERENCES THAT ACTUALLY MATTER

Gasoline. Hybrid. Electric.

Compare powertrain architectures where the component set really changes.

U.S. Department of Energy labeled gasoline vehicle component diagram
U.S. DEPARTMENT OF ENERGY / AFDC

Gasoline vehicle

Open official DOE reference ↗
03 / COMMON DIAGNOSTICS
SYMPTOM → SYSTEM → TEST

Something feels wrong.
Start with the symptom.

Work through common vehicle problems in a sensible order instead of guessing which part to replace.

OPEN CASE

Start with the symptom.Select a test to reveal evidence.
04 / SOURCE DESK
ACCURACY + VISUAL CREDITS

Built from real references.

Government references, open educational material, museum cutaways, technical manuals, and openly licensed component photography.

Important: This is educational material, not a substitute for model-specific service information. High-voltage EV systems, pressurized fuel, hot cooling systems, airbags, lifted vehicles and braking systems can cause serious injury. Use manufacturer procedures and qualified service information before hands-on work.