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SIMPLIFIED OVERHEAD INSTALLATION HARDWARE
Streamline your heavy-duty exterior plumbing architecture with the premium Kleinn Model 330 Brass Roof Mount Horn Installation Adapter Fitting. Explicitly engineered to remove the complication from structural cab roof builds, this rugged pass-through adapter provides a rigid pneumatic bridge directly through your vehicle's roof paneling for first time roof mount horn installations.
HEAVY BRASS SECURE BASE MOUNTING
The Model 330 features a solid, heavy-duty all-brass design paired with a commercial-grade structural retaining nut and matched sealing washers. This layout effectively clamps and stabilizes the base assembly of your heavy single or multi-bell horns against the sheet metal layer, eliminating hazardous cabin vibration. Outfitted with a clean 1/4" Outside Diameter (O.D.) compression tube inlet for clean line routing from your onboard tank, the top side threads cleanly and securely directly into the throat of the trumpet body of our roof mount horns.
THE VERDICT: The definitive mounting foundation for new overhead horn configurations. The Model 320 marries robust all-brass pass-through integrity with specialized mounting adaptability to ensure your roof horns remain rock-solid and leak-free.
🔴 PRO TIP: Protect your vehicle's interior from the elements. When passing this structural brass adapter through your vehicle’s roof paneling, always apply a thin bead of RTV weather-grade silicone around the washer face to guarantee an absolute, 100% moisture-proof seal against rainwater intrusion.
PRODUCT SPECIFICATIONS
| Feature | Details |
|---|---|
| Part Number | 330 |
| Fitting Function | Roof Mount Installation Pass-Through |
| Material Casing | Heavy-Duty Industrial All-Brass Composition |
| Inlet Plumbing Size | 1/4" Outside Diameter (O.D.) Compression Tube Connector |
| Outlet Interface | Direct Thread-In Base Pattern (Fits Roof Mount Horn Inlets) |
| Airline Input | Right Angle Fitting for 1/4" airline input |
| Target Horn Fitment | Kleinn Roof-Mount Models: 401, 411, and 412 exclusively |
Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.
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We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717