A covered repair often ends with a replacement part. Contracts describe that part in different words, and those words set what you get back. They are easy to pass over on a sales call, so find them in the form and ask about each one.
The part words to find
Look for new, used, refurbished, rebuilt, reconditioned, comparable, equivalent, and like kind and quality. Each word can carry a separate promise. A contract that says equivalent may allow a part that is not the original brand. A contract that says new in one clause and comparable in another may give the seller a choice you did not expect. Find every such word in the form.
Who chooses the part
Ask whether the seller chooses the part, whether you can request one, and whether your choice changes what you pay or what labor is included. Ask whether a part the seller selects carries its own warranty, and who that warranty runs against. Get each answer in writing.
What if the part is not in stock
Ask what happens when the needed part is not available. Ask whether the item stays out of use during the wait, whether a substitute is allowed, and whether the wait counts against any time limit in the contract. The answer belongs in the contract itself, not only in the seller's routine practice.
Questions to put on paper
Before you sign, ask which part type the contract allows for each covered repair, who chooses it, whether a substitute can be used, whether a replacement part has its own warranty, and what happens when the part is not in stock. Ask for the answers in writing and compare them with the form. A verbal answer that the form does not contain is not part of the contract.