Is your manual transmission car having trouble starting, or do you hear grinding when you try to crank the engine? A worn or damaged flywheel could be the problem. The flywheel is the heavy disc the starter motor engages with, and it's also where the clutch mounts. This ATP Z-372 flywheel is a direct replacement designed to match the fit and function of your original part. It's built to be durable and provide a smooth surface for the clutch disc. Common signs you need a new flywheel include cracked or broken teeth (where the starter engages), a warped surface, or excessive heat spotting. Replacing a flywheel is a significant job that usually involves removing the transmission, so it's often done when you're already replacing the clutch. If you're experiencing shifting issues, vibrations, or starter problems, have a mechanic inspect the flywheel. This ATP part is a reliable choice for getting your manual transmission back in smooth working order.