All certifications

ASE Master Automobile Technician

ASE Master

Earned by passing all 8 A-series tests: A1 Engine Repair, A2 Auto Trans, A3 Manual Drivetrain, A4 Suspension/Steering, A5 Brakes, A6 Electrical, A7 Heating/AC, A8 Engine Performance.

Who needs it
Senior techs, foremen, lead diagnosticians, and shop owners who want premium pay and the universal industry credential.
How to get it
Pass all 8 exams (in any order, over any time period) and keep them current. Recertify every 5 years.
Cost
~$51 per test Γ— 8 = ~$408 total + $39/yr registration.