OEM:R955104358XThis air dryer cartridge kit is built for heavy-duty air brake systems and fits Navistar, Rockwell, and Volvo truck applications. It works within the air dryer to pull moisture and contaminants out of compressed air before it reaches the brake system, helping guard lines and valves against corrosion and freezing. The kit is sold one each.Interchanges:Rockwell R955104358XNavistar ZZ104358XVolvo MID104358XEM57230FeaturesAir dryer cartridge kitSold pack: 1 eachTech SpecsSell pack: 1 EACH