The Parts Specialist Series includes six tests: Automobile Parts Specialist, Medium/Heavy Truck Dealership Parts Specialist, Medium/Heavy Truck Aftermarket Brake Parts Specialist, Medium/Heavy Truck Aftermarket Suspension and Steering Parts Specialist, and General Motors Parts Consultant. Each test includes questions on communication and sales skills, vehicle systems knowledge, vehicle identification, cataloguing skills, and inventory management. Successfully passing Test P9 will certify you as a Medium/Heavy Truck Aftermarket Parts Specialist in Suspension and Steering. This exam is offered in paper/pencil format.