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5020-21 5020-21A

ATP 5020-21 Lift Axle Air Solenoid Valve W072017

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Stock: 55

Advance Truck Parts W072017 | Air Solenoid Valve For Lift Axle Valve (Normally Open). 


  • Same Day Shipping
  • Extreme Condition Solenoid Valve with IP54 rating.
  • Resistance and Sealed to foreign objects and Moisture
  • Next Day Delivery Available @ checkout
  • Worldwide International Shipping Rates available @ checkout

Advance Truck Parts offers OE-Genuine replacement solenoid valves with connectors meeting OEM specifications and avoid hassle during replacement. 


Specifications:  (As picture). 

Normally Open Inlet Port Size Female  NPT 1/8-27 NPTF
Normally Closed
Inlet Port Size
Female NPT 1/8-27 NPTF (Plug with Exhaust Valve). 
Outlet Port Size Male NPT 1/8-27 NPTF
Voltage 12 Volts
Orifice Size
.047" minimum
Flow Rate @ 120 psi 2.77 Standard Cubic Feet/min
Diode Installed No Diode
Wire Length 6"
Operating Pressure  80PSI - 160 PSI
Tested Tested in the USA
Warranty 12 Months


OE-Genuine Replacement Norgen 5020-21 5020-21A 502021 502021A

Note: For Normally Close see W072014    

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