Can You Name All These Car Parts?

What are these pictured engine workhorses called?

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Correct Incorrect Pistons--Your pistons live inside the engine's cylinders; they move up and down to spin the crankshaft. If your pistons start to fail, you'll notice a misfiring engine, rattling and even a loss of power.

What are these pictured engine workhorses called?

• Reciprocators
• Pistons
• Undulaters
• Motivators