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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Hadley 15 Inch Black Zinc Dual Bully Air Horn W/ 1/4 Inch NPT Connection
OPP - ORIGINAL PARTS PROGRAM
$114.99Black Zinc Dual Bully Hadley Air Horn * High Quality Dual Bully Horn* Made Of Zinc* Black* 15 Inch* With 1/4 Inch NPT Connection* Sold Individually* Warranty On Dual Bully Horns Against Defects In Workmanship & Material From Date Of Purchase*** High...$114.99 -
Brass Electric Air Solenoid 12 Volt Normally Closed
HORNBLASTERS
$76.29Electric Air Solenoid * High Quality Electric Air Solenoid * Made Of Brass * Great For Operating High Volume Air Horns And Train Horns* 12 Volt * Normally Closed - Opens When Power Is Applied* 1/2 Inch NPT Inlet And Outlet* 0 - 145 PSI Operating Range*...$76.29 -
37 Inch Hadley Style Round Bell With Square Back
HADLEY
$289.9937 Inch Long Hadley Style Round 7.25 Inch Bell With Square Back * High Quality Air Horn * 37 Inch Length* With 7.25 Inch Round Bell* Square Back* Comes With Horn Cover* 7/16-24 Air Connection* Single Trumpet* Bell Cover Included* Made In USA* Sold...$289.99 -
24.5 Inch Hadley Style Round Bell With Square Back
HADLEY
$216.9924.5 Inch Long Hadley Style Round 7.25 Inch Bell With Square Back * High Quality Air Horn * 24.5 Inch Length* With 6 Inch Round Bell* Square Back* Comes With Horn Cover* 7/16-24 Air Connection* Single Trumpet* Bell Cover Included* Made In USA* Sold...$216.99 -
Train Horn Installation Kit
AFTERMARKET
$44.29Train Horn Installation Kit W/ Plastic Airlines & Fittings * High Quality Kit * Includes:- 90-Deg 1/2 X 1/4 Inch For Plastic Air Line- Straight 1/2 X 3/8 Inch For Plastic Air Line- 1/2 X 3/8 Reducer Bushing Pipe- Black Air Line Plastic 1/2 INCH OD (Sold...$44.29 -
On Sale
Base Gasket For Grover Horn
OPP - ORIGINAL PARTS PROGRAM
Now: $0.24Was: $1.61Grover Horn Base Gasket * High Quality Base Gasket* For Grover Horn* Sold Individually* Warranty On Base Gasket Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)***This Original Parts...Now: $0.24Was: $1.61 -
Chrome Square Genuine Hadley Air Horn 26 Inch W/ Pedestal & Front Cover
HADLEY
$211.99Square Hadley Air Horn With Pedestal & Front Cover * High Quality Air Horn * Chrome-Plated Steel* 26 Inch Length* Rectangular Bell Shape* Comes With Pedestal And Front Cover* Single Trumpet* 7/16 Inch- 24 thread Air Connection* Sold Individually* Made In...$211.99 -
Chrome Square Genuine Hadley Air Horn, 29 Inch W/ Pedestal, Gasket And Bolts
HADLEY
$219.99Square Hadley Air Horn With Pedestal, Gasket, And BoltsAdd a horn to your truck that can not be ignored with this quality Hadley Air horn. Measuring 29 inches long, it has a square bell and comes with a pedestal to eliminate vibrations at high speeds...$219.99 -
Hadley Fitting - 7/16 Inch
HADLEY
$19.98Hadley 7/16 Inch Fitting * High Quality Hadley Fitting* 7/16 Inch Dimensions* Sold Individually* Made In USA*** High Quality Aftermarket Replacement Part (Not OEM)***$19.98 -
Twin Horn Kit W/ 1 High Tone 500HZ & 1 Low Ton 400HZ
AUTOMANN USA
$49.99Twin Horn Kit W/ 6.5 Feel Sound LevelExperience powerful sound with the Twin Horn Kit. It packs a punch with a high tone horn at 500Hz and a low tone horn at 400Hz. At a distance of 6.5 feet, enjoy an impressive sound level of 110dB. This kit is designed...$49.99 -
Hadley 29 Inch Square Horn Includes Pedestal W/ Gaskets & Bolts
HADLEY
$399.99Square Air Horn With Pedestal Fits Kenworth, International, Mack, Peterbilt, Sterling, Volvo, Western Star * High Quality Air Horn* 29 Inch* Includes Pedestal With Gaskets And Bolts* Sold Individually* Warranty On Air Horn Against Defects In Workmanship...$399.99 -
Hadley 26 Inch Square Horn Includes Pedestal W/ Gaskets & Bolts
HADLEY
$380.99Square Air Horn With Pedestal Fits Kenworth, International, Mack, Peterbilt, Sterling, Volvo, Western Star * High Quality Air Horn* Chrome-Plated Steel * 26 Inch Length* Includes Pedestal With Gaskets And Bolts* Sold Individually* Warranty On Air Horn...$380.99