Mobil Delvac Synthetic Gear Oil 75w-90 is a synthetic automotive and heavy duty equipment gear oil. Delvac is a line of Lubricants manufactured by Mobil for use in heavy duty on and off road equipment. This full synthetic formulation exceed API GL-5 and API MT-1 specifications and is ideal for use final drive systems wanting extended drain intervals. 75w-90 represents the thickness of the oil based on Society of Automotive Engineers (SAE) standards. 

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