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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Model 815 Challenger LV 12V 125 Decibel 310/380 Hz Lanyard Operated Roof-Mount Train Horn
WOLO MANUFACTURING
$406.9917 X 7 X 5 Inch Lanyard Operated Chrome Plated Metal Double Train Horn Kit With Chrome Compressor & 2.5L Tank * High Quality Horn Set* Challenger LV * Trumpet Color Chrome Plated* Horn Dimensions- 17 Inch Length- 7 Inch Width- 5 Inch Height* 125...$406.99 -
Model 804-EV 12V Electric Solenoid Air Valve
WOLO MANUFACTURING
$19.9912 Volt Elecrtic Solenoid Air Valve * High Quality Solenoid Air Valve* 12 Volt* Chrome Plated* Brass Fittings For .25 Inch Diameter High Pressure Hose* Size XX* Sold Individually* Warranty On Solenoid Air Valve Against Defects in Workmanship & Material...$19.99 -
Model 875-858 Euro Express Pro 12V 125 Decibel 310/342/363 Hz Black ABS Triple Train Horn Kit
WOLO MANUFACTURING
$459.9910.5 X 4.875 X 4.5 Inch Black ABS Plastic Triple Train Horn Kit With Compressor & 2.5 Gallon Tank * High Quality Horn Set* Wolo Express Pro Plus* Horn- Color Semi Gloss Black* Dimensions- 19 Inch Length- 18 Inch Width- 9.5 Inch Height* 128 Decibels*...$459.99 -
Model 855-858 WOLO Express Pro 12V 128 Decibel 308/337/366 Hz Black ABS Plastic Triple Train Horn
WOLO MANUFACTURING
$385.99With Compressor, Tank * High Quality Horn Set* Wolo Express Pro * Horn- Color Semi Gloss Black* Dimensions- 19 Inch Length- 18 Inch Width- 9.5 Inch Height* 128 Decibels* Output 90/110 PSI 128 DB* Base- ABS Plastic- Enamel * Compressor* 12 Volts* 21 Amps*...$385.99 -
Model 875 Euro Express 12V 125 Decibel 310/342/363 Hz Black ABS Triple Train Horn
WOLO MANUFACTURING
$211.9910.5 X 4.875 X 4.5 Inch Black Semi Gloss Reinforced ABS Plastic Triple Train Horn * High Quality Horn Set* Euro Express* Trumpets- ABS Plastic - Color Semi Gloss Black* Dimensions- Short Trumpet 10 1/2 Inch Length- Front 4 7/8 Diameter- Rear 4 1/2 Inch...$211.99 -
Western Express Pro Train Horn 24-Volt 125 Decibels 330/336 Hz
WOLO MANUFACTURING
$151.9924-Volt 125 Decibel Train Horn * High Quality Train Horn Kit* Horn- 125 Decibels- 330/336 Hz Low Range- Short Trumpet-15.5 Inch Length - 7.25 Front Diameter - 4.5 Rear Diameter- Long Trumpet- 17.25 Inch Length- 7.25 Front Diameter - 4.5 Rear Diameter-...$151.99 -
Model 870 Western Express 12V 125 Decibel 330/336 Hz Black ABS Plastic Double Train Horn
WOLO MANUFACTURING
$140.9915.5 X 7.25 X 4.5 Inch Black Reinforced ABS Plastic Double Train Horn * High Quality Horn Set* Western Express* Trumpets- ABS Plastic - Color Semi Gloss Black* Dimensions- Short Trumpet 15.5 Inch Length- Front 7.25 Diameter- Rear 4.5 Inch Diameter- Long...$140.99 -
Model 855 WOLO Express 24V 128 Decibel 308/337/366 Hz Black ABS Plastic Triple Train Horn
WOLO MANUFACTURING
$174.9919 X 18 X 9.5 Inch Black Reinforced ABS Plastic Triple Train Horn * High Quality Horn Set* Wolo Express* Trumpet Color Semi Gloss Black * 128 Decibels* Dimensions- 19 Inch Length- 18 Inch Width- 9.5 Inch Height* Base- ABS Plastic- Painted Enamel*...$174.99 -
High Pressure Compressor 12-Volt 2.03 CFM For Large Volume Horns
WOLO MANUFACTURING
$184.9912-Volt High Pressure Compressor For Larger Air Tanks * High Quality Compressor- Voltage: 12 Volts- Current: 12 Amps- CRM 2.03 - Maximum Pressure: 120 PSI- 6.5 Inch Length- 3.5 Inch Width- 5 Inch Height* Fitting Size Air Hose - 1/4 Inch Diameter*...$184.99 -
Model 808-C High Output Direct Drive 12V 18-21 PSI Compressor
WOLO MANUFACTURING
$43.99Chrome High Output Direct Drive 12V 18-21 PSI Compressor * High Quality Drive Replacement Compressor* Chrome Plated* 12 Volt Current15 Amps* Electrical Connection .25 Male Terminals* Output 18-21 PSI* Compressor Size- 2.75 Inch Diameter- 4.75 Inch...$43.99 -
PS1 Pressure Switch For High Pressure On Board Air Systems For Systems Under 80 PSI
WOLO MANUFACTURING
$12.991/8 Inch Pipe Thread Pressure Switch * High Quality Pressure Switch- 1 Inch Diameter- 1-3/4 Inch Height- 1/8 Inch Pipe Threads (NPT)- 1/4 Inch Push On Male Terminals* Hardware Not Included* Sold Individually* Warranty On Pressure Switches Against Defects...$12.99 -
Model 811-EV 12-24V Electric Solenoid Air Valve
WOLO MANUFACTURING
$24.993.25 X 1.5 X 2.5 Inch Electric Solenoid Valve For WOLO Train Horns * High Quality Air Valve* Voltage: 12-Volts* Current: 3.4A At 12 Vdc* Hose Fittings: 1/4 Inch Brass* Size: - Length 3-1/4 Inch- Width 1-1/2 Inch- Height 2-1/2 Inch* Sold Individually*...$24.99