ACDelco GM Original Equipment 10-4051 GL-5 80W-90 Axle Gear Oil - 23 oz
- Meets American Petroleum Institute (API) GL-5 specifications for use in severe conditions.
- Meets General Motors Specification No. 9985182 meaning that the fluid meets a wide range of external and internal specifications including SAE J306.
- Meets ASTM STP-512A meaning that the lubricant resists deposit formation and assists in protecting against rippling, ridging, pitting, or spalling.