800257 MV-3 Dash Air Brake Control Valve with 3/8 Push to Connect Port Compatible with Bendix 109935, Freightner BW800257, Haldex 5002691, Volvo 85106365 For Trailers and Trucks
【Fitment】Compatible With Bendix, Freightliner, MACK, Navistar-International, Newstar, AUTOMANN, Haldex, and Volvo MV3 Replacement For Peterbilt and International Commercial Heavy Duty Big Rig Trucks
【Advanced Dual Circuit Design】The MV-3 valve supports dual-circuit systems, controlling tractor and trailer brakes independently. With 3/8" PTC port sizes, it directly replaces existing systems without modifications
【Note】The difference between an MV-2 and MV-3 is pretty simple just check to see how your buttons are mounted to the Valve if the buttons are mounted with a rolling pin you have an MV-2 Valve if they screw on you have an MV-3 Valve