Free Auto Mechanic Invoice Template & Generator
Build auto repair invoices with labor hours, parts pricing, diagnostic fees, and vehicle details. Perfect for independent mechanics.
From
To
Logo
Signature
Live Preview
Thank you for your business
What to include on a Auto Mechanic invoice
Your invoice needs to separate parts and labor clearly because insurance companies and fleet managers will scrutinize every line. Include the year, make, and model of the vehicle plus the VIN. Write down exactly which parts you used with part numbers and quantities. Break out your labor by the job, not just one lump sum. If you charged 2.5 hours for a transmission service and 1 hour for brake pads, show both. Customers will question a vague "4 hours labor" charge every time.
Most mechanics ask for payment when the job is done, but smart ones get a deposit for big jobs over $500. If you're doing an engine rebuild or major repair, get half up front. This protects you if the customer disappears, and it weeds out people who can't actually afford the work. For fleet accounts, you can offer net 15 or net 30 terms once they've paid on time a few months.
Always get written approval before doing extra work beyond the original estimate. Take photos of the problem and text them to the customer. This prevents the "I never agreed to that" argument when you hand over the bill, and you'll get paid without pushback.
Frequently asked questions
What should an auto repair invoice include?
Include vehicle info (year, make, model, VIN, mileage), work performed, labor hours at shop rate, parts with part numbers and costs, diagnostic fee, and warranty terms.
How do mechanics determine labor rates?
Mechanics use flat-rate labor guides (like Mitchell or AllData) that assign hours per job, multiplied by the shop rate ($80–$150/hour). This means you pay the book time, not actual clock time.
Should mechanics charge a diagnostic fee?
Yes. Diagnostics require expertise and specialized equipment. Charge $75–$150 for standard diagnostics. Most shops credit the diagnostic fee toward the repair if the customer approves the work.