Excel EM40640 Mack 745-227871 Check Valve

Check Valve Male Port (1) 1/2in P.T. Female Port (1) 1/2in P.T.

• Part number: EM40640
• OE MFG: MACK
• OEM Reference: 745-227871
• Cross Reference: OTHER : 0872, 745-227871
• Product Class: Air Valves & Kits

The PAI EM40640 is a check valve male port with one 1/2-inch P.T. male port and one 1/2-inch P.T. female port. Check valves are heavy duty diesel truck parts that permit air or fluid flow in one direction while restricting reverse flow, maintaining intended pressure paths within a system. MACK lists 745-227871 as the OEM reference, with 0872 as an additional cross-reference.