Semi-Truck Horns Universal
Need to make some noise? Check out the best semi truck air horns over at 4 State Trucks. Whether you're into powerful train horns or sleek dual-tone options, we've got you covered for loud, reliable performance. Our top-rated truck horns will make sure you're heard. Explore and find the perfect fit for your rig today!
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Hadley Chrome Air Horn Mount Kit W/ Front Horn Support & Hardware
HADLEY
$9.29Hadley Chrome Air Horn Mount Kit W/ Hardware For Single Rectangular & Round Bell Horns W/3 Hole Pattern. * High Quality Air Horn Pedestal Kit* Measures 2 Inches Tall To Bottom Of Horn. 3-1/2 Inches Overall.* Includes- Pedestal- Mounting Hardware - (4)...$9.29Qty in Cart: 0Quantity:Price:$9.29Subtotal: -
3 Trumpet Chrome Train Horn With 9 Inch Air Valve Stand
UNITED PACIFIC
$220.99Chrome Plated 3 Trumpet Train Horn With Air Valve StandUpgrade your vehicle's horn system with our Train Horn set, a powerful addition for audible safety. This set includes three chrome-plated metal trumpets, each delivering an impressive sound output of...$220.99Qty in Cart: 0Quantity:Price:$220.99Subtotal: -
Manual Lanyard Air Valve Pull Chain For Air Horns
WOLO MANUFACTURING
$13.99Lanyard Hand Pull Air Valve For 1/4 Inch Air Hose InstallationsManually pull the chain of this lanyard air valve on your truck to sound the horn. Use with air horns that require an on-board air system. It fits 1/4-inch diameter high pressure air hose...$13.99Qty in Cart: 0Quantity:Price:$13.99Subtotal: -
Diaphragm For 3 Trumpet Train Horn
UNITED PACIFIC
$7.23Replacement 3 Trumpet Train Horn DiaphragmThis train horn, designed specifically to fit the 09-051354 model, features a 3-7/8 inch diameter and includes six evenly spaced holes around the circumference. Sold individually, this aftermarket replacement...$7.23Qty in Cart: 0Quantity:Price:$7.23Subtotal: -
Challenger EV 12V 125 Decibel 310-380 Hz Solenoid Operated Roof-Mount Chrome Air Horn
WOLO MANUFACTURING
$332.99Deluxe Roof-Mount Chrome-Plated Air Horn With 2.5 Liter Tank & Electric Solenoid ValveThe Model 810 Challenger EV produces an ultra-powerful, big rig alerting sound controlled by a 12 volt heavy-duty electric solenoid valve. The horn?s base is painted...$332.99Qty in Cart: 0Quantity:Price:$332.99Subtotal: -
Chrome 3 Trumpet Competition Series Train Horn W/ 150 db +- 10db Sound Output
UNITED PACIFIC
$145.99Chrome 3 Trumpet Train HornUpgrade your vehicle's horn to the Competition Series Train Horn for an unmistakable and commanding sound. Crafted from durable chrome-plated metal, this horn set features three trumpets for an intense, super loud sound that...$145.99Qty in Cart: 0Quantity:Price:$145.99Subtotal: -
Model 350 12V 105 Decibel Shrill Two Tone Wolf Whistle
WOLO MANUFACTURING
$27.994 X 4 X 4.5 Inch Shrill Two Tone Wolf Whistle * High Quality Horn* Wolf Whistle* 105 Decibels* 12-Volt Current* 1 AMP * Speaker Size- Length 4 Inch- Width 4 Inch- 4.50 Inch Width* Sold Individually* Warranty On Horn Set Against Defects in Workmanship &...$27.99Qty in Cart: 0Quantity:Price:$27.99Subtotal: -
Nexgen Express 12-Volt / 80-Watts Electronic Train Horn
WOLO MANUFACTURING
$188.9912-Volt / 80-Watts Electronic Train HornFind your compact electronic train horn designed to fit the engine compartment of cars, SUVs and even compact vehicles at 4 State Trucks. This Wolo horn is simple to install. Just mount the compact speaker and...$188.99Qty in Cart: 0Quantity:Price:$188.99Subtotal: -
30 Inch Hadley Style Round Bell With Square Back
HADLEY
$271.9930 Inch Long Hadley Style Round 7.25 Inch Bell With Square Back * High Quality Air Horn * 30 Inch Length* With 7.25 Inch Round Bell* Square Back* Horn Support Not Included* 7/16-24 Air Connection* Single Trumpet* Bell Cover Included* Made In USA* Sold...$271.99Qty in Cart: 0Quantity:Price:$271.99Subtotal: -
Train Horn Air Pressure Switch For Use W/ Train Horn Kits
UNITED PACIFIC
$9.99Train Horn Air Pressure SwitchThis train horn air pressure switch is a crucial component for maintaining optimal air pressure in your system. It activates the compressor when tank pressure drops below 85 PSI (6 Kg) and deactivates it when the tank...$9.99Qty in Cart: 0Quantity:Price:$9.99Subtotal: -
CSM SS Train Horn Valve Mounting Bracket
CHROME SHOP MAFIA
$64.35Stainless Steel Mounting Bracket For Train Horn Valves By Chrome Shop Mafia * Made Of High Quality Stainless Steel* Designed to Mount Real Train Horn Valve* Train Horn Valve Not Included* Sold Individually* Warranty On Brackets Against Defects In...$64.35Qty in Cart: 0Quantity:Price:$64.35Subtotal: -
Electric Solenoid Valve For Air And Train Horns
GRAND GENERAL
$35.2412-24 Volt Solenoid Valve For Air And Train Horns * High Quality Solenoid Valve* Electric * For Air And Train Horns* 12-24 Volt* Sold Individually* Warranty On Solenoid Valves Against Defects In Workmanship & Material From Date Of Purchase*** High...$35.24Qty in Cart: 0Quantity:Price:$35.24Subtotal: