Automatic Transmission Filter by Hastings®. With 13 Bolt Holes Gasket. Size: 11 23/32″ x 6 1/2″ x 5/8″. This filter removes dirt, dust, and other contaminants from the automatic transmission fluid to minimize wear inside the system prolonging its service life. The product can be used with standard and fully synthetic transmission fluids providing excellent performance and superior durability.