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- All products
- Transmission Fluids
- Cars SUVs & Light Trucks Motor Oil
- Motorcycle & Powersport Engine Oils
- Heavy Duty Motor Oil
- Marine Engine Oils
- Gear Oils
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- Service Products (U1P-Care)
Keep your engine running smoothly with Ultra1Plus™ Conventional Motor Oil, a reliable choice designed for everyday performance, it provides consistent lubrication, deposit control, and wear protection under normal and high-demand conditions.
Select the viscosity grade that matches your vehicle’s manufacturer recommendation and driving conditions. Ultra1Plus™ offers trusted options like 10W-30, 15W-40, and 20W-50, designed for gasoline and diesel engines alike.
Conventional oils typically last between 3,000 and 5,000 miles (4,800–8,000 km) before needing a change. Learn more in our How Long Does Motor Oil Last guide.
It’s best to change conventional oil more frequently than synthetics, usually every 3 to 6 months depending on mileage and usage. Check your owner’s manual or our motor oil viscosity guide for details.
Yes, but it’s not ideal. Mixing them dilutes the benefits of synthetic oil. If you want a balance between performance and affordability, consider upgrading to a synthetic blend motor oil.
Conventional oils come from refined crude oil, while synthetics are chemically engineered for higher performance. Conventional oil is great for older engines or lighter driving needs, while synthetics offer better cold-start and high-temperature protection.
Stored properly in a sealed container, it can last up to 5 years. For longer-lasting protection and stability, try our Full Synthetic Motor Oil.
Ultra1Plus™ Conventional Motor Oils stand out for their quality, protection, and API-certified formulations, ensuring dependable engine performance at an exceptional value.