Who this is for
Independent repair shops, mobile mechanics, dealer service departments doing direct customer billing, and specialty shops (transmission, brakes, exhaust, electric vehicle service).
What an auto repair invoice must include
Vehicle identification — every time. Year, make, model, VIN, and mileage in/out. Mileage at service is the warranty anchor; without it, future warranty claims are arguable.
Diagnostic separate from labor. The diagnostic fee is its own line. Even if you waive it on a returning customer, show it as a $0 line so the customer sees you valued the work.
Parts itemized with part numbers. "Brake pads" isn't enough. The customer (or their next mechanic) needs to know what was installed: Brembo P85113 ceramic brake pads, front.
Shop supplies / disposal fee. A small line — $15 to $40 — covering shop rags, fluids, and proper disposal of old parts. Most states allow this; spell it out so customers don't assume it's padding.
State-specific rules to watch
Many US states (CA, NY, MA, OH, others) require:
- A written estimate before work begins, signed by customer.
- Authorization for any work that exceeds the estimate by >10%.
- Return of replaced parts on request (state-dependent).
- Posted hourly labor rate visible in the shop.
Reference your local state's automotive repair board for the definitive list.
Warranty language
The 12 months / 12,000 miles standard (whichever comes first) is industry default. State the void conditions clearly: repairs done elsewhere, misuse, or unrelated failure. Without those conditions, disputed warranty claims tend to go the customer's way.
How to use this template
- Open the auto repair template.
- Replace the parts and labor lines with the actual work.
- Fill the Notes field with Year/Make/Model, VIN, and mileage in/out.
- Adjust the warranty terms if your shop offers different coverage.
- Download as PDF and print or email for the customer.