UW.3030.M22 ALL MODEL BRAKE CHAMBER 30x30 P.M ALL MODEL DRUM CHAMBER T30x30 (WABCO TYPE) ALL MODEL D.TEC ALL MODEL 925.432.1140 1446058 1446059 30X30 (WABCO) DRUM 925.432.1300 1734797 925.432.1180 1731944 925.432.1170 1731943 925.432.1160 1446060 925.