12V AD-SP Air Dryer for Kenworth for Volvo for Freightliner Columbia Trucks Tractors Buses RV 800887

Engineered and Tested to Meet or Exceed Original Equipment Standards and Performance OEM Part Number: 4324202202 4324100202 4324202202 4324100202, Bosch I-487-434-901 I-487-434-901,Knorr-Bremse 40100F I-85127-004 Air dryers provide clean, dry air to storage tanks, valves,and other components, increasing the life of the air brake system Specifications: Supply Port: 1/2" NPT;Delivery Port: 1/2" NPT;Control Port: 1/4" NPT; Package Content:1 x 12V Air Dryer Direct replacement for a proper fit every time,Instruction is not included