Excel EM40250 Mack 59QE123 Hose Coupler

Hose Coupler Service / Blue 1/2-14 Port

• Part number: EM40250
• OE MFG: MACK
• OEM Reference: 59QE123
• Cross Reference: BENDIX : 278523, 278850; EUCLID : E9107; MACK : 5396-11452, 59QE123, 59QE151, 745-278523; MIDLAND : 11452; PHILLIPS : 12006; TECTRAN : 1011S, 16057, 16061; OTHER : S-10044 | AUTOMANN : 179.1001; PAI : 4025, EM40000
• Product Class: Gladhands

The PAI EM40250 is an Excel hose coupler service component specified in blue with a 1/2-14 port. Hose couplers are heavy duty diesel truck parts that connect hose lines in air-system connections, while the color and port designation distinguish this service configuration. MACK lists 59QE123 as the OEM reference; BENDIX cross-references include 278523 and 278850.