The product is a full quart of Land Rover Electronic Differential Oil specifically designed for the 75-90 models. This high-quality gear/differential oil has an oil viscosity range of 75W - 90, providing optimal lubrication for your vehicle's differential. Manufactured by Land Rover, this oil meets the highest standards of quality and performance, ensuring smooth and efficient operation of your vehicle's differential system. Perfect for maintenance or troubleshooting, this product is a reliable choice for any Land Rover enthusiast. We have had several LR 3,s LR 4 this is 100 % guaranteed. New buy with confidence