Pai 4030 Mack 126SK11 Hose Coupler Seal

Hose Coupler Seal Double Lip

• Part number: MCS-4030
• OE MFG: MACK
• OEM Reference: 126SK11
• Cross Reference: BENDIX : 248579; EUCLID : E9110; IHC : 136913R1; MACK : 126SK11, 5396-10028, 745-248579, 750-1509; NAVISTAR : 136913R1; PHILLIPS : 12012; TECTRAN : 10111; WAGNER : 941100; OTHER : 10028, 9250 | AUTOMANN : 179.101
• Product Class: Gladhands

The PAI MCS-4030 is a Hose Coupler Seal Double Lip, identified for Mack reference 126SK11. As heavy duty diesel truck parts, hose coupler seals help maintain an airtight connection between joined hose couplers, supporting reliable fluid or air transfer through the connected system; the double-lip design describes the seal configuration. Mack lists 126SK11 as the OEM reference, with Bendix 248579 and Euclid E9110 as selected cross-references for part identification.