-29%
Click to zoom in
Kleinn 412 is the Model 412: Rectangular Roof Mount 25" Air Horn - Chrome-Plated Stainless Steel - Big Rig Sound. Match the exact manufacturer part number, configuration, voltage, pressure, dimensions, connections, included components, and vehicle application before ordering.
Key Features
- Massive Rectangular Flare: Showcases an extra-long 25" single rectangular wide-bell trumpet profile to command attention with authentic big-rig aesthetics and pitch depth.
- Concealed Underside Inlet: Routes plumbing connections completely inside the chassis roof, maintaining a sleek roofline free of unsightly exposed hoses or hardlines.
- Premium Polished Build: Built with heavy-duty stainless steel base elements and finished with a brilliant chrome plating for superior resistance against road salt, wind, and severe vibration.
- Model 412: Single Rectangular Roof-Mount 25" Air Horn
- Pneumatic hardware: 1/4" Compression Fitting (Underside 1/4" OD Airline Entry)
Fitment
| Fitment Status | Universal only by exact specifications |
|---|---|
| Required Verification | Voltage, pressure, flow, duty cycle, dimensions, ports, air-line size, wiring, mounting, and companion components |
Specifications
| Brand | Kleinn Air Horns |
|---|---|
| Manufacturer Part Number | 412 |
| Product Type | Air Horns |
| Fitment Type | Universal |
| Condition | New |
| GTIN | 819147010892 |
| Warranty | 1-Year Warranty |
| Construction | Chrome Plated Stainless Steel |
| Manual Horn Activation (Sold Separately) | P/N 310 chain style or 311 lanyard style |
| 12-Volt Horn Activation (Sold Separately) | P/N- 307 Light-Duty or VX6003 Heavy-Duty |
| Min- Max Pressure | 120 - 175 PSI |
| Output (dB) @ 150 PSI | 150.8dB |
| Dimensions | 25” L x 8.5” W x 4.5” H |
| Minimum Tank Size | 1.5 Gallon |
| Airline Input Size / Fitting Pack Part # | ¼” Airline / 330 roof mount fitting pack |
| Shipping Weight | 8 lbs |
What's Included
- Model 412: Single Rectangular Roof-Mount 25" Air Horn
- Pneumatic hardware: 1/4" Compression Fitting (Underside 1/4" OD Airline Entry)
- Mounting Hardware: Nuts, Bolts, Washers, and Trumpet Mounting ORE.
About Kleinn Air Horns
Kleinn develops vehicle-specific and universal train horns, air horns, onboard-air systems, compressors, tanks, valves, controls, and remote-start systems. Every pressure, electrical, dimensional, and vehicle requirement remains exact-part specific.
Related Kleinn Air Horns Products
- Shop all Kleinn Air Horns products
- Kleinn Chrome Roof Mount Single Horn/ 21.5In - Chrome-Plated Spun Copper
- Kleinn Chrome Roof Mount Dual Horn/ 13.5In/11.5In - Chrome-Plated Spun Copper
- Kleinn Black Triple Horn/ 18.25In/ 14.75In/10In - XCR2.0 Coated Spun Steel
Frequently Asked Questions
What must match before installing Kleinn 412?
Confirm voltage, pressure, flow, duty cycle, port and air-line sizes, dimensions, mounting orientation, wiring load, and compatibility with every connected component.
What air system is required for Kleinn 412?
Match the horn's required pressure, airflow, valve, tubing size, compressor duty cycle, and tank capacity. A compressor or tank is included only when the exact listing states it.
Where can Kleinn 412 be mounted?
Use a rigid protected location with adequate clearance, drainage, airflow, and safe routing for wiring and air line. Keep every component away from heat, moving parts, road impact, and water exposure beyond its rating.
Installation Instructions
Confirm Kleinn part number 412 and the complete application before beginning. Mount every component in the specified orientation, use correctly sized fused wiring and protected grounds, route air line away from heat and moving parts, seal only the approved threads, leak-test the system, verify cut-in and cut-out pressure, and confirm safe operation before driving.
