World American WAKN20031 PP Dash Air Brake Control Valve with Knob 25/35 PSI 1/4" NPT, 1.5" Mount Spacing Replaces Haldex KN20031, Velvac 034055, Meritor RKN20031, Navistar ZZKN20031, Dayton AV20031

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.

• Premium PP Dash Control Valve with knob, engineered for 25–35 PSI pop pressure; designed for precise air brake control in heavy-duty commercial vehicle systems.
• Features 1/4" NPT inlet and outlet ports with 1.5-inch mount hole spacing; ensures simple replacement and compatibility with standard dash panel layouts.
• Includes rugged high-quality components for long-lasting durability; suitable for heavy-duty trucks, buses, and vocational equipment with NPT-threaded air brake valves.
• Direct replacement for Haldex KN20031, Velvac 034055, Meritor RKN20031, Tectran 14421, Mack 8235-RKN20031, and many more industry-standard part numbers.
• Backed by World American's commitment to quality and reliability; ideal for maintaining DOT-compliant, high-performance air brake functionality.