Sturdy construction improves thermal stability and operation efficience 800516 MV3 Dash Air Brake Trailer Parking Control Valve for Peterbilt 377 Western Star Truck Valve WQSING 800516 MV3 Dash Control Valve Module Trailer Parking Peterbilt 377 Brake Valve The Valve can duplicate the functions of any existing two or three valve push-pull system and has the advantage of reduced plumbing. Same business day handling if order placed by 12:00pm est. 30 day return accepted on unused Items in original condition With identical appearance, long service life and performance for direct replacement MV3 Dash Control Brake Valve 800516 065157 Fitment:Replacement for Peterbilt 377Replacement for Kenworth T660Replacement for Volvo And Western Star TrucksReplaces part number: 800516, 065167, 065697, 3948331, 394979Package include: 1 x Dash Control Brake ValveSpecifications:Mounting: Horizontal with 1/4 Hole in BodyTrailer Delivery: 1/4Reservoirs: (2) 1/4Exhaust: 1/4Tractor Delivery: 1/4Auxiliary Supply: 1/4Tractor Valve: 20 - 35 PSITrailer Valve: 20 - 45 PSINon-Override: 25 ± 5 PSI