Model 400 Fry Master. Parts List for Presto Fry Master 400 Pressure Cooker. Presto parts for the Presto model “400” may be ordered on-line using the links below. Presto Model 400 Fry Master Sealing Ring/Gasket 400FM$15.95 Presto 9911 Over pressure/Automatic Air Vent 09911Regular price: $3.99Sale price: $2.00 9914 Pressure Indicator 9914$11.99 Presto 85658 Pressure Cooker Vent Pipe 85658$9.49 8 in. dia. Canning Rack 360$8.95 9 3/4 in. dia. Canning Rack 622$9.49 *Orders placed before 2:00 PM ET will ship same day. Orders placed after 2:00 PM will ship next business day! *”Guaranteed to fit” Presto pressure cooker parts must be installed correctly and pressure cooker must not be modified from OEM. Presto® original equipment manufacturer * IN STOCK ITEMS