Description
At a Glance
- Fits: Universal (not vehicle-specific) – check measurements before ordering
- Brand / Part #: Kleinn 307
- Package dimensions (L × W × H): 6 × 6 × 4 in.
- Shipping weight: 0.75 lb
The Kleinn Model 307 is a premium, heavy-duty 12-volt electronic solenoid valve engineered to deliver maximum airflow and lightning-fast activation for high-performance air horn systems. Featuring a high-flow 1/4" Female NPT inlet and outlet configuration, this all-brass valve body is built to withstand extreme pneumatic pressures while ensuring a completely leak-free seal. Perfect for upgrading standard horn valves or completing custom multi-horn plumbing layouts, it wires easily into any 12-volt horn switch circuit to instantly unleash an immediate, high-volume blast of air the exact moment the button is pressed.
Features:
- Electronic 12 Volt activated air solenoid
- Inlet: Brass fitting for 1/4" O.D Air Tube
- Max Pressure: 175 PSI
- Outlet: 1/4" M NPT
- Direct Replacement for Kleinn Compact Air horns and model 220. 630, 500, 501 Train horns
Specifications:
- Brand: Kleinn
- Part Number: 307
- Attribute 1: Inlet: Brass fitting for 1/4 in. O.D Air Tube
- Attribute 2: Outlet: 1/4 in. M NPT
- Attribute 3: Non-polarized wire input and output - Send 12v activation to one side and ground to the other.
- Attribute 4: Max Pressure: 175 PSI
Fits:
- Universal fit (not vehicle-specific). Compare the dimensions to your vehicle before ordering.


