This height control valve with 8" height, 12" length, and 10" width is compatible with Barksdale and Freightliner. It can replace OEM part number 55521Q163. The leveling valve regulates air flow to maintain the correct ride height in air suspension systems. These leveling valves have a steer axle feature which maintains the correct ride height and balance of your vehicle.
- Application:Â This leveling valve regulates air flow to maintain the correct ride height in air suspension systems. The built-in dump valve allows for easy release of air when needed, ensuring smooth and adjustable suspension control. Its adjustable arm enables customization which makes it adaptable for various truck suspensions. This valve is especially useful for applications where both load leveling and quick air release are required.
- Compatibility: It is compatible with Barksdale and Freightliner parts and can fit OEM part number 55521Q163. You can check the complete compatibility list below.Â
- Installation:Â Ensure the air supply is shut off and drained before installation to minimize injury. The valve comes with adjustable arm length but does not include brackets, so additional mounting hardware may be needed. Follow the manufacturer's guidelines closely to avoid any system malfunction.
Compatible with Other Brands & Their Part Numbers:
- Fits Barksdale: 55521Q163, KD2417
When to Replace the Product?
- If the truck’s ride height is not maintained correctly
- When air suspension is slow to respond or inconsistent
- If the dump valve fails to release air
- When the existing valve shows visible wear or leakage
- During regular maintenance, as recommended by the truck manufacturer
Why Choose This Product?
- Direct OEM replacement for 55521Q163Â
- Built-in dump valve for enhanced air release control
- High-quality durable manufacturing material
- Steer Axle feature
- Ideal for use in tough working conditions with its corrosion-tolerant finish
18 Months Warranty - This product is covered for one year, 100,000 miles after the installation, or 18 months after the purchase, whichever comes first. The product’s warranty is only active when the parts have defective material or workmanship defaults. Inappropriate application will lead to the dismissal of the warranty. Additionally, the warranty doesn’t cover the parts that fail or get damaged due to misuse, misapplication, or accident. If the customer wishes to return/replace this product under warranty, reach out to us. The team will verify by doing a thorough inspection and if they find a defect that is covered in above mentioned warranty; the product will be replaced without any charge. We disclaim liability for labor or consequential damages of any nature. We request the customers to wait until the claim is resolved and settled from our end after replacement is requested under warranty.
California Proposition 65 Warning: 
