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USD 719.22
Part #: AIR25491

Air Lift 25491 SmartAir II Dual Automatic Leveling System

Fits Air Lift Helper Springs - Control 2 Springs Independently
Part #: AIR25491
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The Air Lift 25491 SmartAir II Dual Automatic Leveling System automatically levels your leaf-sprung vehicle using a unique non-contact magnetic height sensor, which allows the system to intelligently determine whether the air springs should be inflated or deflated.

Increased Convenience
Eliminate the need to search for gas stations with a working air compressor. SmartAir II automatically detects changes in the vehicles load and will make adjustments to the air springs as needed.

Easy Installation
SmartAir II is easy to install with the included wiring harness. No air line or wiring needs to be routed into the cab of the vehicle which eliminates drilling into the firewall. Typical installation only takes a few hours.


  • Easy Installation 
  • OEM Grade Components
  • Weather-Resistant Materials
  • Pre-Assembled Wiring Harness 
  • Responsive & Accurate Within 1/16"
  • 100 PSI 0.92 CFM 15% Duty Cycle 12V Compact Air Compressor
Note: Will not work with coil sprung vehicles, or Air Lift 1000 Adjustable Air Helper Springs.


  • MFG. Number 25491
  • Manufacturer Name Air Lift
  • Shipping Weight 16.00 lb.
  • Shipping Length 12 in.
  • Shipping Width 16 in.
  • Shipping Height 10 in.
  • Fuel Type Diesel / Gas
  • UPC 729199254918
  • Warranty Yes
  • Warranty Info 2 Year Limited
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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