Garage Door Nation is a leading supplier for garage door parts at wholesale prices. Garage Door Nation helps thousands of customers fix their own garage doors and save money. We make it easy for you to do-it-yourself and save big on garage door repairs, replacements, and everything in between. Save big money by doing your own garage door repair. The #1 reason garage doors stop working is because they need a new torsion spring. We highly recommend our best-seller garage spring bundle kit: Thousands of Americans choose Garage Door Nation each month.