Dive into Our Universal Semi-Truck Horns
Want to turn heads, clear the lane, or just let folks know you're rolling through in style? Whether you're after the loudest train horn for your semi or just need a reliable air horn replacement, you’re in the right place.
The Benefits of Semi-Truck Air Horns
Let’s be real: stock horns just don’t cut it when you’re hauling 80,000 pounds across the country. Our collection of semi-truck air horns are designed for performance, with most horns blasting at 150+ decibels of bone-rattling sound. Here’s why drivers upgrade:
- Safety & Awareness: Cut through road noise and get noticed in high-traffic or blind spot scenarios.
- Authority: A deep, resonant train horn commands the road like nothing else.
- Style & Personality: Express your attitude with musical horns, multi-tone blasts, or custom sound kits.
- Fun Factor: You’ll never get tired of the reaction when you hit that horn—especially at truck shows or rest stops.
Explore Horn Options for Every Setup
From classic air horn kits to
semi truck electric wiring or
air line hose tubing for train horns and custom multi-tone setups, 4 State Trucks has everything you need to make your rig impossible to ignore. Our air horn kits are compatible with Peterbilt, Kenworth, Freightliner, Volvo, and more—so no matter your setup, we’ve got a horn that’ll fit right in.
In this extensive collection, we carry heavy-duty train horns for semi-trucks with 3-, 4-, and 5-trumpet setups. We also offer air horn kits with onboard compressors, air tanks, and everything needed for installation. For budget builds or tight installs, check out our 12-volt electric train horns.
Additionally, we carry air horn replacements for both classic rigs and newer models. Plus, explore our selection of musical horns and novelty tones (yes, including "La Cucaracha" and Dukes of Hazzard themes)!
Why Shop for Train Horns at 4 State Trucks?
When you upgrade your semi-truck horn, you’ll want to choose a horn kit that’s built to be heard—loud, clear, and powerful. Browse our collection now to find the best train horn for your semi-truck today and enjoy the following draws:
- Trusted by real drivers, fleet managers, and show truck pros.
- Full air horn kits with easy-install guides and mounting hardware.
- Loudest train horns available—backed by top brands.
- Competitive pricing and fast shipping anywhere in the U.S.
- Real customer support from truckers who know their gear.
