Excel EM36420 Mack 745-103028 Relay Valve

Relay Valve Supply Port 1 1/2in P.T.Delivery Ports 4 1/2in P.T.Service Port 1 1/4in P.T.Balance Port 1 1/8in P.T.4 psig Cracking Pressure

• Part number: EM36420
• OE MFG: MACK
• OEM Reference: 745-103028
• Cross Reference: BENDIX : 065430, 103028; EUCLID : EBN103028N; MACK : 20QE4133A, 745-103028; VELVAC : 034028; OTHER : FN18016 | AUTOMANN : 170.06543, 170.103028; PAI : 3642
• Product Class: Air Valves & Kits

The PAI EM36420 is a relay valve with a 1 1/2-inch P.T. supply port, 4 1/2-inch P.T. delivery ports, a 1 1/4-inch P.T. service port, a 1 1/8-inch P.T. balance port, and 4 psig cracking pressure. Relay valves are heavy duty diesel truck parts that use control air to regulate compressed-air delivery in vehicle air-brake systems between the control circuit and brake chambers. MACK lists 745-103028 as the OEM reference; Bendix cross-references include 065430 and 103028.