Pennzoil 550042091-3PK Motor Oil Lubricant, 5 quart, Pack of 3 Pennzoil DEXRON-III MERCON has been improved to exceed the most demanding requirements of hydraulic pump manufacturers DEXRON-III MERCON is especially formulated to meet the viscosity and frictional requirements of a DEXRON-III fluid DEXRON-III MERCON is suitable for use in applications requiring Ford M2C138CJ and Ford Type H fluids Dexron-III MERCON is recommended for mobile equipment used by utility companies which require electrical insulating properties for hydraulic oils Protects components from harmful attack by corrosive acids