World American WA277148 Air Brake Adjustable Pressure Protection Valve ADJ85PSI PR-2 Replaces Bendix 277148, Haldex 277148RX, Tectran 14549, Newstar BER277148, Meritor R955277148N, MCI 4K224, Euclid

World American is the heavy duty and Export division of Midwest truck & auto parts, Inc. We supply drivetrain, brake, steering, electrical and hydraulic components to the heavy, duty aftermarkets. Specifically, We distribute manual transmission & transfer case components, differential components, complete rebuild kits, bearing kits, ring & pinion gear sets, cases, housings, Axles, Yokes, U-Joints, air brake valves, brake chambers brake hardware kits, air springs and more.

• Heavy-duty adjustable pressure protection valve, Type PR-2, ensures reliable air brake system operation by controlling air delivery at 85 PSI nominal closing pressure—designed for trucks, trailers, and buses.
• Includes 1/4" delivery and 1/4" supply ports for seamless integration with standard air brake plumbing; maintains optimal air pressure for system safety and performance.
• Constructed with corrosion-resistant components for extended durability in extreme-duty applications; fits a variety of OEM and aftermarket air systems.
• Engineered for compatibility with Bendix, Haldex, Meritor, Navistar, Tectran, Mack, Freightliner, and more—replaces 25+ OE part numbers for broad vehicle fitment.
• Meets FMVSS standards; tested for reliability under high-vibration conditions—ideal for replacement or preventive maintenance in heavy-duty fleets.