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


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