Most parts are shipped through UPS. When we print a shipping label, a tracking number is issued. The tracking number is emailed to you. The tracking number is not entered in UPS' system until the package arrives at UPS.Sometimes the emails from us ends up in people's bulk / spam folder. Please keep an eye on your bulk / spam folder after a purchase is made. Please allow 7 - 14 business days for delivery.If you have not received the item after 14 days, please contact us through ebay. Some oversize packages may take longer. International items are shipped USPS and can take anywhere from 1 to 5 weeks to arrive depending on the size , weight and where the package is being delivered. There may be delays in shipping due to holidays.We do combine shipping. The rule of thumb is one shipping charge plus $2 each additional item , if all items fit in a common box.