Sunoco Ultra GL-5 80w-90 is a mineral based automotive and heavy duty equipment gear oil. Ultra is a line of high performance automotive lubricants manufactured by Sunoco. GL-5 represents a gear oil that exceed API GL-5 performance specifications. These gear oils are intended for service fill, top-off and refill of hypoid and other drive axles. 80w-90 represents the thickness of the oil based on Society of Automotive Engineers (SAE) standards.
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