ALP4 Air Management, 3/8" Air Line (No Tank, No Compressor) P/N: 27485

The ALP4 air management system redefines what’s possible for air suspension control, combining cutting-edge hardware with smarter, more seamless functionality. This system features a compact, all-in-one manifold, which houses the ECU, solenoids, and pressure sensors, crafted from anodized black billet aluminum for durability and a sleek, show-ready appearance. Paired with a full-color touchscreen controller framed in anodized aluminum and equipped with four tactile physical buttons, this system offers immediate control for your presets, 4-corner manual control, axle adjustments, full air-out and other adjustable functions. With mobile app integration, ALP4 allows you to use and fine-tune your setup from anywhere, ensuring ultimate control.

Kit Includes:

• Threaded port (1/4” FNPT) manifold
• Touch screen full-color LCD controller with physical buttons
• Main wiring harness
• USB-A to USB-C cable for controller-to-harness connection
• Manifold mounting hardware
• Electrical hardware
• (6) 1/4” MNPT x 3/8” PTC fittings
• (1) SMC water-trap with manual drain and mounting strap
• (1) Air line cutter
• (60) 3/8” DOT airline

Kit Features and Benefits:

• Pressure-based air management system with all-in-one manifold with ECU, solenoids, and pressure sensors built in for cleaner installs and fewer fail points
• Upgradable to a height-based air management system by incorporating our Height Upgrade Kit
• Anodized black billet aluminum manifold block with LED-lit top cover and rotatable logo plate
• Threaded 1/4” FNPT manifold ports compatible with included PTC fittings or any 1/4" male-threaded fittings
• 5-inch full-color touchscreen controller with anodized aluminum case, 4 physical buttons, and auto-dimming ambient light sensor
• Adjustable LED colors for manifold cover, controller backlight, and buttons
• Plug-and-play harness for easy install, only needing power, ground, and keyed ignition; drop-in upgrade for existing 3P/3H setups
• Free mobile app with improved connectivity and a user-friendly interface for full system control
• Pressure-based system with optional upgrade to height-based control via Pressure-to-Height Upgrade Kit
• Built-in diagnostics with clear, easy-to-understand system messages
• Compressor performance test and diagnostics to track and benchmark compressor health
• Adjustable pulse rate for fine-tuning system responsiveness
• Valet Mode with customizable lockout settings
• Improved ride adjustment algorithms with learning and road filtering
• Show Mode which allows full use of the system with the vehicle off for one ignition cycle
• Standby mode which allows wireless connectivity and use of the system with the vehicle off for an adjustable period of time, with the controller, LED lighting, and compressor disabled for minimum power draw
• Adjustable preset maintain sensitivity (high, medium, low)
• Slow Lift/Lower Zone for pulsed movement near minimum ride height to manage ground contact smoothly
• Seamless integration of an available tank and compressor kit (tank and compressor not included)