Pai EM37020 Mack 20QE3120R Check Valve Switch

Check Valve Switch 3/8-18 NPT Female Ports 3/8-18 NPT Male Thread Mack Application

• Part number: EM37020
• OE MFG: MACK
• OEM Reference: 20QE3120R
• Cross Reference: OTHER : 287372, 20QE3120R
• Product Class: Air Switches

The PAI EM37020 Check Valve Switch is listed for a Mack application and uses 3/8-18 NPT female ports with a 3/8-18 NPT male thread. Check valve switches are heavy duty diesel truck parts that regulate air flow through a valve and switch arrangement, controlling pressure-related signals or functions in an air system. Mack identifies 20QE3120R as the OEM reference, with 287372 also supplied as a cross-reference.