Engine Oils

Unlock the full potential with Harvest King Engine Oils

Harvest King — High Quality Products
Harvest King® Passenger Car Motor Oils deliver reliable protection for your vehicle, helping to enhance fuel efficiency, reduce emissions, and keep your engine running smoothly. Designed to meet or exceed the latest industry standards, all Harvest King oils comply with ILSAC GF-6A requirements and are approved by major OEMs. Our Full Synthetic oils offer the highest level of protection and are formulated for extreme driving conditions, while our High Mileage oils are ideal for vehicles with over 75,000 miles—helping to reduce oil consumption and minimize leaks when full synthetic isn’t required. For everyday performance, our Conventional oils provide excellent sludge protection and piston cleanliness, making them a trusted choice for general engine maintenance. Always consult your owner's manual for the recommended oil type.
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Harvest King Engine Oils

  • Full Synthetic 10W-30 — 5 QT

  • Full Synthetic 10W-30 — 1 QT

  • Full Synthetic 10W-30 — 55 GA

  • Full Synthetic 5W-20 — 5 QT

  • Full Synthetic 5W-20 — 1 QT

  • Full Synthetic 0W-20 — 1 QT

  • Full Synthetic 0W-20 — 5 QT

  • Full Synthetic 5W-30 — 1 QT

  • Full Synthetic 5W-30 — 5 QT

  • High Mileage 5W-30 — 1 QT

  • High Mileage 5W-30 — 5 QT

  • High Mileage 10W-30 — 1 QT

  • High Mileage 10W-30 — 5 QT

  • High Mileage 5W-20 — 1 QT

  • SAE 5W-20 High Mileage, Synthetic Blend Motor Oil — 5 QT

  • SAE 5W-20 Conventional Motor Oil — 1 QT

  • SAE 5W-20 Conventional Motor Oil — 5 QT

  • SAE 5W-30 Conventional Motor Oil — 1 QT

  • SAE 5W-30 Conventional Motor Oil — 5 QT

  • SAE 10W-30 Conventional Motor Oil — 1 QT

  • SAE 10W-30 Conventional Motor Oil — 5 QT

  • SAE 10W-40 Conventional Motor Oil — 1 QT

  • SAE 10W-40 Conventional Motor Oil — 5 QT

  • SAE 30 Conventional Motor Oil — 1 QT

  • SAE 30 Conventional Motor Oil — 5 QT

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