This is a A-118N O-Ring Replacement (10 pk) PN: 118NMain Description As Following : A-118N O-Ring Replacement (10 pk) P.N: 118N GM Superheat/Pressure Switch O-Ring & Threaded Conversion Internal O-RIngDim A (1): .862" I.D.Dim B (2): .103" WidthDim C (3): Std.# Code ADim D (4): Std. # Size 118Dim E (5): 70 DurometerDim F (6): H4A Material Replaces: A-T57247 JOHN DEERE , A-32240 JOHN DEERE , 440-481 AIR CONDITIONING , 440-975 AIR CONDITIONING , Crossed From: R48917 JOHN DEERE Found in Section & Models : Air Conditioning Parts > Compressor/ Clutch Parts, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : GM Superheat/Pressure Switch O-Ring & Threaded Conversion Internal O-RIng Dim A (1): .862" I.D. Dim B (2): .103" Width Dim C (3): Std.# Code A Dim D (4): Std. # Size 118 Dim E (5): 70 Durometer Dim F (6): H4A Material