With more than 100 years of intensely focused innovation, Haldex holds unrivaled expertise in brake systems and air suspension systems for heavy trucks, trailers and buses. We live and breathe our business, delivering robust, technically superior solutions born from deep insight into our customers' reality. By concentrating on our core competencies and following our strengths and passions, we combine both the operating speed and flexibility required by the market.

• Manually Operated Valve
• Replacement Knob available, 90054211
• This small, self relieving manual switch supplies pilot pressure to dump valves, pilot valves or other basic accessories.
• With more than 100 years of intensely focused innovation, Haldex holds unrivaled expertise in brake systems and air suspension systems for heavy trucks, trailers and buses. We live and breathe our business, delivering robust, technically superior solutions born from deep insight into our customers' reality. By concentrating on our core competencies and following our strengths and passions, we combine both the operating speed and flexibility required by the market.