Air Dryer: Haldex Isolation Valve

Used in conjunction with a turbocharged air compressor the isolation valve gives added fuel economy and greater engine efficiency.

N15842F OEM / N15842G OEM / KN23500 SERVICE Installation Guide

Features

  • Port A - To Air Dryer Inlet Port
  • Port B - To Pipe Plug
  • Port C - To Compressor Discharge
  • Port D To Governor Unloader, Height 3/18“
  • Volvo 8075792, 70049-0006

Read this thread for important information of what the valve does, and if your air dryer / compressor combination requires one or not. Haldex air dryer isolation valve