888228 Expansion Valve, Block Fits ChallengerOne New Aftermarket Expansion Valve, Block Fits Challenger Models: 2244, MT745B (If Machine is Equipped With Lines Modification Kit), MT745C, MT745D, MT755B (If Machine is Equipped With Lines Modification Kit), MT755C, MT755D, MT765B (If Machine is Equipped With Lines Modification Kit), MT765C, MT765D, MT835B (If Machine is Equipped With Lines Modification Kit), MT835C (w Deluxe A C), MT845B (If Machine is Equipped With Lines Modification Kit), MT845C