How Well Do You Know Your Car Parts? Take the Quiz!
You really have to be a pro to know what this wheel-shaped part is—and even smarter if you know what it does! What is it?

Correct Incorrect An engine is a busy place, with exploding chambers, pistons pushing, and pulleys rotating—creating a kind of physical static that needs to be managed to ensure smooth operation. The harmonic balancer does just that by using rubber or fluid to counterbalance the engine’s vibrations. Want to find yours? Check out your crankshaft! We’ll wait.