Seal your shifter up good and tight with a fresh automatic transmission case gasket. You'll maintain the proper fluid levels with a new automatic transmission case gasket, and help ward off the tell-tale signs of a leaky transmission (aka, the red drops in your driveway). Best of all, AutoAnything makes it easy and affordable to swap out your old automatic transmission case gasket with a new one right at home. Just place your order, and we'll send your new automatic transmission case gasket right to your garage with free shipping.