Best Four-Stroke Engine Oil of 2026

The Silverhook 4 Stroke Oil is a versatile engine oil suitable for both petrol and diesel engines. With an API rating of SC/CC, it ensures reliable performance and protection for your vehicle. The SAE 30 specification provides excellent lubrication, helping to reduce wear and tear on engine components. This oil is particularly useful for maintaining optimal engine efficiency, giving you peace of mind while driving. By choosing this product, you can prolong the life of your engine and improve overall performance.

The Smith & Allan Lawnmower Oil is designed for four-stroke engines, providing excellent protection and performance. Its API SF/CC rating ensures effective control of soot, sludge, and varnish, helping to keep your engine clean and efficient. You will also benefit from its robust protection against rust and corrosion, which prolongs the life of your lawnmower. Additionally, the oil's thermal stability allows it to perform well under high temperatures, ensuring your engine runs smoothly even in demanding conditions.

LIQUI MOLY Lawnmower Oil is specially designed for four-stroke lawnmower engines. It is essential to follow the operating materials instructions from your engine manufacturer to ensure optimal performance. This oil meets the SAE class 30 specification, which is crucial for engines requiring single-application engine oil. By using this oil, you can help maintain your mower's efficiency and longevity, ensuring it runs smoothly throughout the mowing season.

VOYTO SAE 30 Engine Oil is designed for 4-stroke engine lawnmowers, ensuring exceptional lubrication and protection. Its API SG/CD certification guarantees high performance, giving you peace of mind. By minimising friction, this oil helps extend the life of your lawnmower, preserving its value over time. Plus, its advanced formula optimises performance, keeping your engine running smoothly and efficiently. This oil is a versatile solution, compatible with a range of brands, making it an ideal choice for all your gardening equipment.

Castrol Outboard 4T is specially formulated for all four-stroke outboard engines from leading Japanese and American brands. It meets the API SL/CF specifications, ensuring reliable performance and protection. The product comes in a convenient plastic bottle, making it easy for you to handle and store. With its part synthetic formulation, you can enjoy enhanced piston cleanliness and reduced oil consumption, allowing your engine to run more efficiently and with less frequent oil changes.

The LIQUI MOLY Lawnmower Oil is specially formulated for four-stroke lawnmower engines requiring SAE Class 30 oil, ensuring your machine runs smoothly and efficiently. By following the motor vehicle and engine manufacturer's instructions, you can use this oil with confidence, protecting your engine from wear and tear. This mineral motor oil meets important standards like API SG and MIL-L 46152 E, providing reliable performance and durability. It is ideal for engines that specify SAE Class 30, giving you peace of mind during lawn care tasks.

The ALM OL204 Oil is a high-quality 4 stroke engine oil designed to enhance the performance of your engines. Blended from premium mineral oil additives, it ensures thermal stability, which helps prevent overheating during use. You will also benefit from its anti-wear properties, extending the life of your engine. Additionally, it promotes engine cleanliness, reducing the buildup of harmful deposits over time. Finally, its corrosion protection feature safeguards your engine components, offering you peace of mind as you maintain your lawnmower or other mobile petrol and diesel engines.

The Briggs & Stratton 4-Stroke Oil is a high-quality mineral SAE30 engine oil designed specifically for 4-stroke lawn mower engines. This oil ensures that your outdoor power equipment runs smoothly, providing excellent lubrication for petrol engines. It is suitable for use in air-cooled engines operating in outdoor temperatures between 4°C and 38°C, making it versatile for various weather conditions. Available in multiple bottle sizes, it allows you to choose the right amount for your engine’s oil capacity, ensuring convenience for all users.

The Handy HP-196 Oil is a high-quality 10W30 multigrade engine oil specially designed for 4-stroke petrol engines. It works well with a variety of garden equipment like lawnmowers, generators, and stationary engines, so you can use one oil for different machines. The advanced additives help reduce carbon build-up, protecting your engine from wear and extending its lifespan. Additionally, this oil supports smoother running and makes starting easier, even when the temperature changes throughout the seasons, ensuring reliable performance all year round.

The Briggs & Stratton SAE30 Oil is a specialised engine oil designed for four-stroke lawnmower engines. As a product from the trusted Briggs & Stratton brand, it ensures optimal engine performance and longevity. The 1000ml (1 litre) bottle offers a convenient size for regular maintenance, allowing you to keep your lawnmower running smoothly. Using this oil helps maintain engine efficiency and protects against wear, making your gardening tasks easier and more reliable.