SAME DAY SHIPPING ON 99% OF ORDERS 
Replacement for adjustable linkage kit designed for height control valve systems. This component provides the connection needed between the valve and vehicle suspension linkage points in compatible setups.
The adjustable linkage kit serves as a critical interface in air suspension systems, ensuring precise height control and stable ride quality across varying load conditions. Proper linkage length and secure attachment points allow the height control valve to respond accurately to changes in vehicle height, maintaining optimal suspension performance during daily operation or long-haul travel. The design supports consistent actuation that prevents drift or lag in valve response, which can otherwise lead to uneven air spring inflation or compromised handling characteristics on the road.
Technicians value the adjustable feature because it simplifies installation on different chassis configurations without requiring multiple fixed-length parts. By turning the threaded rod or adjusting the locking mechanism, installers can fine-tune the distance between the valve arm and the suspension bracket for correct actuation range. This flexibility reduces downtime and eliminates the need for custom fabrication in many repair scenarios. Corrosion-resistant finishes on rods and fittings further protect against salt, moisture, and road debris that commonly accelerate wear in fleet environments.
Durability is achieved through corrosion-resistant materials and robust end fittings that withstand road debris, moisture, and constant movement. Each joint is engineered to minimize play while still permitting the smooth pivoting motion required for accurate valve signaling. When the original linkage wears or bends, replacing it with this direct-fit assembly restores factory-like response and prevents issues such as uneven ride height or premature air spring failure. The kit integrates cleanly with existing brackets, allowing quick verification of travel limits after installation.
Key Features & Benefits
- Adjustable design allows length customization during installation
- Direct fit for specified Freightliner applications
- Supports proper valve operation in suspension systems
Product Specifications
- Product type: Adjustable linkage kit
- Adjustable length: 18.000 inches
Replacement Compatibility
Compatible with Freightliner FLD120 SFA Year 1990 height control valve systems and additional multi-application setups requiring this linkage configuration.
Discover the Perfect Replacement
Browse the selection of replacement linkage components to identify the exact match for your height control valve repair needs and complete the order process.
- MOL: 18.000
During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.
All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)
At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.