Hadley Style 1/4" Tractor & Trailer Height Control Valve 3341854

Hadley Style 1/4" Tractor & Trailer Height Control Valve 3341854

*Please verify your Cross Reference number(s) before purchasing.

Keep your rig riding level and your suspension protected with this tough Hadley-style height control valve.

• Hadley Style Height Control Valve
• For Tractor And Trailer
• Keeps Ride Height Stable Under Changing Loads
• Auto-Regulates Suspension Air Pressure
• Smooths Ride & Prevents System Overreach
• Dump Valve Normally Closed
• Cross Reference #s:
  • 3341854
  • H01502UNC
  • 90555100
  • 80-1502
  • 801502
• Lever Arm Length: 5” 7” 8” 9”
• Delivery Port Count: 2
• Supply Port Count: 1
• Delivery Port Size: 3/8”
• Supply Port Size: 3/8”
• Proudly Made In The USA
• Sold Individually

This Hadley-style height control valve is engineered for tractors and trailers to maintain proper ride height under varying load conditions. With a normally closed dump valve design, it automatically adjusts air pressure in your suspension to improve ride quality and protect critical components from overextension or under-inflation. Featuring adjustable lever arm lengths (available in 5", 7", 8", or 9") and equipped with two 3/8" delivery ports and one 3/8" supply port, it directly replaces OEM numbers 3341854, H01502UNC, 90555100, 80-1502, and 801502. Proudly made in the USA, this valve offers a reliable, easy-to-install solution for your heavy-duty suspension needs.

Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.

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