AutoMeter's precision mechanical Air Locker gauge allows drivers to monitor onboard vehicle air used to actuate locking differentials from within the cabin. Easily troubleshoot supply settings and detect loss of system pressure that could prevent proper driveline engagement and provide early warning to potential driveline damage.

• Gauge kit includes 1/8” nylon line, 1/8” NPT compression fittings, 1/4” NPT adapter, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
• AutoMeter’s race proven mechanical instruments provide trusted accuracy while being simple to install
• Mechanical movements provide accuracy and durability even in the harshest environments
• Traditional incandescent lighting illuminates around the perimeter of the dial
• No electrical system required for gauge operation.
• Highly polished chrome bezel