Air system

52 muffler filter, with cyclone primary stage filter; sales codes: 343 / 623; sales codes: j64 2

12454; 04 / 11; FOR VERY DUSTY REGIONS; Modifications: 921/945/974

52 muffler filter, with cyclone primary stage filter; sales codes: 343 / 623; sales codes: j64 7

12454; 10 / 11; FOR VERY DUSTY REGIONS; Modifications: 921/945/974