Shell R1 SAE-50 Engine Oil 5L

Shell R1 SAE-50 is a high-viscosity mineral engine oil engineered for older, high-mileage gasoline and diesel engines operating under severe conditions. Its robust anti-wear additive package delivers exceptional protection against metal-to-metal contact, oxidation, and sludge formation. Designed to reduce oil consumption and seal leakage, it maintains engine cleanliness and extends service life. Ideal for hot climates and extended drain intervals, R1 ensures consistent lubrication film strength, smoother cold starts, and improved fuel efficiency over time. Meets API SA/SD and legacy OEM specifications for legacy powertrains.