Air Lift 3H Air Management – 1/4in FNPT – 2.5 Gallon Tank – VIAIR 444C – 27691

The Air Lift Performance 3H Air Management System (27691) delivers unmatched precision, ride quality, and control by combining pressure-based control with true height-based sensing. Designed for high-performance air suspension setups, this complete system includes a 1/4" FNPT manifold, 2.5-gallon raw aluminum air tank, and a VIAIR 444C air compressor for fast, reliable air delivery.

The 3H system uses advanced ride-height sensors to automatically maintain your preset ride heights regardless of load, road conditions, or temperature changes—making it ideal for daily drivers, show cars, and performance builds alike. A sleek full-color digital controller and mobile app integration provide real-time monitoring and easy adjustments from inside or outside the vehicle.

Engineered with an all-in-one anodized billet aluminum manifold, Air Lift 3H reduces installation complexity while delivering precise 4-corner control. With intelligent algorithms, built-in diagnostics, and upgrade-ready architecture, this system is the gold standard in air suspension management.

Key Features

• True height-based air management system (3H)
• Combines pressure-based and height-based control
• Maintains preset ride heights automatically
• High-grade all-in-one manifold with ECU, solenoids, and sensors
• Threaded 1/4" FNPT ports for customization
• VIAIR 444C air compressor for fast inflation and durability
• 2.5-gallon raw aluminum air tank
• Precise 4-corner independent control
• Intelligent ride-height algorithms with road filtering
• Full-color digital controller with real-time monitoring
• Wireless mobile app (iOS & Android)
• Built-in diagnostics and system alerts
• Upgrade-ready design
• Designed for performance, show, and daily driving applications

Kit Includes

• 3H digital controller
• All-in-one anodized billet aluminum manifold (1/4" FNPT)
• VIAIR 444C air compressor
• 2.5-gallon raw aluminum air tank
• Main wiring harness
• Height sensor harnesses
• 60 ft. of 1/4" DOT air line
• Inline water trap
• All fittings, wiring, fuses, and mounting hardware
• Detailed installation instructions

Specifications

• Brand: Air Lift
• Part Number: 27691
• Series: Performance 3H
• Control Type: Height-based with pressure monitoring
• Air Line Size: 1/4"
• Manifold Ports: 1/4" FNPT
• Air Tank Size: 2.5 Gallon
• Tank Material: Raw Aluminum
• Compressor: VIAIR 444C
• Application: Universal Air Suspension Management
• Mobile App: iOS & Android
• Warranty: Air Lift Limited Warranty

Fitment

• Universal fit

• Designed for vehicles equipped with air suspension systems

• Compatible with most aftermarket air spring and air strut setups