20182017201620152014
Failure47.6%46.8%46.2%45.6%45.1%
Maintenance34.9%34.7%35.0%35.5%35.5%
Discretionary15.1%15.1%15.3%15.3%15.8%
Other2.4%3.4%3.5%3.6%3.6%

Notes:Failure (includes A/C Compressors, Batteries & Accessories, Belts & Hoses, Carburetors, Chassis, Clutches, CV Axles, Engines, Fuel Pumps, Fuses, Ignition, Lighting, Mufflers, Starters & Alternators, Water Pumps, Radiators, and Thermostats);

Maintenance (includes Antifreeze & Windshield Washer Fluid, Brake Drums, Rotors, Shoes & Pads, Chemicals, including Brake & Power, Steering Fluid, Oil & Fuel Additives, Oil & Transmission Fluid, Oil, Air, Fuel & Transmission Filters, Oxygen Sensors, Paint & Accessories, Refrigerant & Accessories, Shock Absorbers & Struts, Spark Plugs & Wires, and Windshield Wipers);

Discretionary (includes Air Fresheners, Cell Phone Accessories, Drinks & Snacks, Floor Mats & Seat Covers, Mirrors, Performance Products, Protectants & Cleaners, Seat Covers, Sealants & Adhesives, Steering Wheel Covers, Stereos & Radios, Tools, and Wash & Wax);

Other (includes ALLDATA brand diagnostic and repair software and e-commerce sales)