Gulf ATF DX III H is an extra high performance automatic transmission fluid for all General Motors and Ford automatic transmissions requiring DEXRON®-III (including the new DEXRON® III H specification) or MERCON® quality fluids respectively. The modern additive technology and specially selected base oils used in this oil provide superior thermo-oxidative stability, corrosion & rust protection, foam control, seal compatibility, friction durability and low temperature fluidity. It is designed to exceed the performance requirements of General Motors DEXRON® III H and Ford MERCON® specifications.