Excel EM36390 Mack 5396-KN28060 Relay Valve

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R-5 Relay Valve w/ (2) 3/8in PT Horizontal Delivery Ports, (2) 1/2in Reservoir Port and (1) 3/8in PT. Control Port 4.6 psig Cracking Pressure Part number: EM36390 OE MFG: MACK OEM Reference: 5396-KN28060 Cross Reference: OTHER : 5396-KN28060 Product Class: Air Valves & Kits The PAI EM36390 is an R-5 relay valve with two 3/8-inch PT horizontal delivery ports, two 1/2-inch reservoir ports, and one 3/8-inch PT control port. Relay valves are heavy duty diesel truck parts that use a control signal to regulate compressed-air delivery from a reservoir to a service circuit, placing air-brake response closer to the brakes. This valve has a specified 4.6 psig cracking pressure, and Mack lists 5396-KN28060 as the OEM reference and an additional cross-reference. Show more