The 'HD SUP SINGLE GR SAE 40 1L' is a high-quality, single-grade engine oil specifically designed for use in various gasoline and diesel engines requiring an SAE 40 viscosity grade. Ideal for lubricating older engines or equipment in moderate temperatures, it provides excellent thermal stability and oxidation resistance, as well as protection against wear. This motor oil ensures reliable lubrication, helping the engine perform efficiently and extend its lifespan. Packaged in a convenient 1-liter bottle, it is user-friendly for both vehicle maintenance and industrial applications.