Changing your oil regularly is the best way to keep a vehicle's engine running smoothly and for a long time. Browse our selection of conventional and synthetic motor oil to find great deals. You …

O’Reilly Auto Parts stocks name-brand oils that you can trust to keep your vehicle running at peak performance. We carry top synthetic oil brands, such as SYNTEC, Mobil 1, Castrol, Valvoline, …

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Motor oil is used for the lubrication, cooling, and cleaning of internal combustion engines. Motor oil may be composed of only a lubricant base stock in the case of mostly obsolete non-detergent …

Replacing dirty oil with NAPA Premium Performance Conventional or Synthetic Blend motor oil helps provide great protection for your vehicle’s engine all year round. They’re formulated with …

Understanding the purpose of motor oil can explain why one type may be better than another for your vehicle. Motor oil moves throughout your engine to cool and lubricate the various parts …

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5 天之前 · Pros: Low cost; Cons: Often not as effective as blends or synthetics; Best for: Saving money; Synthetic motor oil Actually, still liquid dinos, but modified. Pros: Potentially better …

O'Reilly Auto Parts offers a variety of conventional, high mileage and full synthetic motor oil for most passenger vehicles, as well as heavy duty and diesel motor oils for specialty vehicles. …