Pai 4200 Mack 64SM18 Brake Chamber Diaphragm

Brake Chamber Diaphragm Type: 20 6-5/8in Diameter

• Part number: MDP-4200
• OE MFG: MACK
• OEM Reference: 64SM18
• Cross Reference: MACK : 5396-N20145, 64SM18, 64SM18P2, 745-234099, 745-236666, 745-242894, 750-1820; OTHER : 18200, 20225, 234099, 236666, 242894, 802488, TYPE-20 | PAI : EM42000
• Product Class: Brake Diaphragms, Clevises & Misc,

The PAI MDP-4200 is a brake chamber diaphragm identified as Type 20 with a 6-5/8-inch diameter, and it is listed with the MACK OEM reference 64SM18. Brake chamber diaphragms are heavy duty diesel truck parts that flex within an air brake chamber to transfer air pressure into mechanical movement for brake actuation. Additional MACK cross-references include 5396-N20145 and 64SM18P2, providing useful identifier matches when comparing service parts.