For Cab or Front Air Suspension Applications

Link’s 600 Series Height Control Valve is a combination of quality materials and construction, delivering the industry-best height control valve solution for most cab or front air ride suspension applications. The valve series provides everything drivers and fleets demand from a height control valve, providing the best in suspension leveling and ride comfort.

This high-quality valve series offers a low air flow rate resulting in the ride and control that drivers desire. The mechanical valve is the most reliable and durable universal replacement valve in the industry for most truck applications.


  • 600 Series Cab Suspension Leveling Valve installed above airbag

    Low Air Flow

    The 600 Series valve has low air usage, engineered to conserve air and use only what’s necessary. Commonly used on front air ride and cab suspensions.

  • Cab Suspension Leveling Valve

    Install Ready

    The valve supply and exhaust ports include 1/8” NPT fittings. A version with push to connect fittings is also available.

  • 600 Series Cab Suspension Leveling Valve installation kit

    Mounting Options

    The kit includes two optional length actuating arms and mounting brackets.


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650 Series

The 650 Series Mechanical Height Control Valve provides an aid for the ride and protection of tractor cabs required by today’s transport industry. The sturdy height control valve series provides the ideal cabin leveling solution, fitting most tractor cab suspension applications.

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650 Series Leveling Valve


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