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Name Part Number Haldex KN30300 Midland KN30300 Bendix Emergency Relay Valve Automann 170.KN30300 WABCO 9730023030 Meritor R95530300 World American WAKN30300 Attribute Value Part Number 170.KN30300 Product Category Air Brake System Parts Product Type Emergency Relay Valve Valve Type Emergency Relay Application Heavy-Duty Trailer Air Brake Systems System Type Pneumatic Air Brake System Function Controls emergency brake application and relay air delivery to brake chambers Operating Medium Compressed Air Mounting Style Chassis Mounted Port Configuration Standard SAE / NPT Ports Housing Material High-Strength Corrosion-Resistant Aluminum Alloy Internal Components Precision Piston, Valve & Spring Assembly Finish Corrosion-Resistant Protective Coating Crack Pressure Factory Preset Maximum Working Pressure 150 PSI Installation Direct OEM Replacement Vehicle Type Heavy Commercial Vehicles Condition New Weight 4.80 lb
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$57.60