Excel EM56160 Mack 745-286370 Relay Valve

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Relay Valve R-8 (2) 3/4in-14 Supply Ports (2) 1/2in -14 Delivery Ports (1) 1/4in-18 Service Port Part number: EM56160 OE MFG: MACK OEM Reference: 745-286370 Cross Reference: OTHER : 745-286370 Product Class: Air Valves & Kits The PAI EM56160 is an Excel Relay Valve R-8 with two 3/4in-14 supply ports, two 1/2in-14 delivery ports, and one 1/4in-18 service port. As heavy duty diesel truck parts, relay valves use a control signal to regulate compressed-air delivery within a vehicle's braking system, while the listed port sizes and thread specifications help match the valve to connected air lines. MACK identifies 745-286370 as the OEM reference, which is also listed as an additional cross-reference. Show more