Peterbilt & Kenworth Hadley Style 3/8" Tractor &Trailer Height Control Valve 171H01501UD

Peterbilt & Kenworth Hadley Style 3/8" Tractor & Trailer Height Control Valve 171H01501UD

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

Keep your ride steady and your suspension happy with this Hadley-style height control valve for Peterbilt and Kenworth rigs.

• Hadley Style Height Control Valve
• Fits Various Peterbilt And Kenworth Makes And Models
  • For Tractor & Trailer
• Keeps Ride Height Stable Under Changing Loads
• Auto-Regulates Suspension Air Pressure
• Smooths Ride & Prevents System Overreach
• Dump Valve Normally Open
• Cross Reference #s:
  • 171H01501UD
  • 3341853
  • H01501UD
  • 90555375
  • LV1501UD
  • 801501
• 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

Maintain the perfect ride on both tractor and trailer setups with this Hadley-style height control valve, designed for various Peterbilt and Kenworth models. It automatically adjusts air pressure to keep your suspension in balance under any load, ensuring smooth ride quality and protecting components from overextension or under-inflation. With a normally open dump valve design, adjustable lever arm lengths from 5” to 9”, two 3/8" delivery ports, and one 3/8" supply port, this valve is a dependable, direct-fit aftermarket replacement. Proudly made in the USA, it replaces numerous OEM parts for a hassle-free upgrade.

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