Costco auto repair franchise stores offer the cheapest spare part repairs. The discount store has franchises where you will be able to order spare parts and get them installed in your car at really low rates. Other companies that can offer really great deals include, Firestone, Meineke, Maaco, Mike’s Master Mechanics, GM Goodwrench and Aamco. Use the online store locators to find stores close to your home. You can then get estimates from the local store to get the requisite work done on your car. Please note that prices may vary according to taxes, and local extras too.
For more info, see Price Comparison Between Major Car Repair Companies