O'Reilly Auto Parts offers many categories of auto parts for car owners. Some broader categories of parts offered by O'Reilly Auto Parts include parts for replacement and parts for performance.
Parts for replacement offered by O'Reilly Auto Parts are separated into many subcategories. Some of these subcategories include brakes, exhaust, batteries, and belts and hoses. Other subcategories offered are air conditioning, ignition, transmission, and charging and starting, explains O'Reilly Auto Parts. Some specific examples of parts offered for the charging and starting subcategory include those for the alternator, generator and starter, such as an alternator rotor fan and capacitor, generator drive end and commutator end bearings, and a starter plunger boot. Other parts for replacement subcategories offered by the store include filters and PCV valves, emissions, mirrors and wipers.
Parts for performance are also separated into several subcategories. Some of these subcategories offered by the store include gaskets, seals, gauges, drivetrains and brakes. Other performance subcategories offered are engine, chassis and suspension, tuners and safety equipment. O'Reilly Auto Parts also carries accessory parts for both car interior and exterior areas as well as keyless entry. The store also carries useful auto fluid and chemicals such as antifreeze, oil, tire sealants, windshield wash and de-icers.