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- SHOP 4WP's HUGE SELECTION
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SHOP 4WP's HUGE SELECTION SHOP 4WP's HUGE SELECTION
SHOP 4WP's HUGE SELECTION SHOP 4WP's HUGE SELECTION
8 Product Groups
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Kleinn Onboard Air Systems
Kleinn Train Horns Onboard Air SystemFrom $199.95
- 3.0 gallon air tank
- 110/145 PSI pressure switch
- Remote mount intake filter
- Includes mounting brackets and hardware
- California Residents: WARNING
From $199.95
3.9
3.9
(20)
Crown Automotive Horn
Crown Automotive HornFrom $31.99
- Replacement Horn
- California Residents: WARNING
From $31.99
4.0
4.0
(1)
HornBlasters Conductor's Special Horn Kit
HornBlasters Conductor's Special Horn KitFrom $1,199.99
- Chrome or black Conductor's Horn
- Air Tank
- Compressor
- PSI Pressure Switch
- Air Filters
- D.O.T Approved Airlines
- Detailed Instructions
- All mounting hardware
- Earplugs
From $1,199.99
5.0
5.0
(2)
From $104.95
3.6
3.6
(5)
From $17.99
Omix-ADA Horn Contact Bushings
Omix-Ada Horn Contact BushingFrom $9.99
- Horn Contact Bushing
- California Residents: WARNING
From $9.99
HornBlasters Shocker Train Horn Kits
HornBlasters Shocker Train Horn KitsFrom $1,259.99
- All inclusive train horn solution
- Shocker XL Train Horn
- Lightweight and extremely loud
- Durable fiberglass reinforced ABS plastic body
- Stainless steel diaphragm
- All-inclusive brass fitting kit
- Can be heard from 2 miles away
- Made in the USA
- Top-end compressor perfect for train horns
- Complete fitting kit with safety valve & drain cock
From $1,259.99
5.0
5.0
(1)
10 Products
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4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
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Hella 400 Hz high-Tone Horn - 007424001
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- 400 Hz High-Tone Trumpet
- With Bracket
- 12 V
- Red
- Sold Each
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$11.44
$14.34
Only 2 left in Stock ?
$11.44
$14.34
Only 2 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- 400 Hz High-Tone Trumpet
- With Bracket
- 12 V
- Red
- Sold Each
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
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Omix-ADA Horn Relay - 17237.22
- Fitment: Direct Fit
- Factory style replacement part
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$17.99
On Backorder
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$17.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
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- Fitment: Direct Fit
- Factory style replacement part
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
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Omix-ADA Horn Relay - 17249.03
- Fitment: Direct Fit
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$5.99
On Backorder
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$5.99
On Backorder
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Email me when this product comes in stock
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- Fitment: Direct Fit
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
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Omix-ADA Horn Contact Bushing - 18032.06
- Fitment: Direct Fit
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$9.99
On Backorder
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$9.99
On Backorder
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Email me when this product comes in stock
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- Fitment: Direct Fit
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
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Crown Automotive Low Pitch Horn - 56007191AC
- Fitment: Direct Fit
- USA/Canada
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$31.99
On Backorder
Contact Us for Availability or Alternatives
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Email me when this product comes in stock
LOW PRICE GUARANTEE
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$31.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
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EASY RETURNS
- Fitment: Direct Fit
- USA/Canada
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
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Hella Triple-Tone Melodic Sound Air Horn Kit with Air Compressor - 003001681
- Fitment: Universal Fit
- 118 Decibles
- Includes Three Horns
- 12 volts
- Includes Wiring Harness and Bracket
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$69.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$69.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- 118 Decibles
- Includes Three Horns
- 12 volts
- Includes Wiring Harness and Bracket
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
HornBlasters Conductors Special 5485 Nightmare Edition Train Horn Kit - HK-S4-5485K
- Fitment: Universal Fit
- All-inclusive Train Air Horn solution!
- Extremely durable & loud!
- The horns are constructed fromfiberglass-reinforced ABSfor extreme durability through all harsh conditions
- Stainless steel diaphragms won't rust
- Extra large 5 gallon air tank
- Heavy duty Viair 485C stealth black air compressor
- Max honk time: 10 to 12 seconds
- Voltage:12 volts DC
- Max amperage:23amps
- Maximum duty cycle:100% @ 200 PSI
- Includes: Shocker S4 Train Horns
- 5 Gallon Air Tank
- Viair 485C stealth black compressor
- 110/150 PSI pressure switch with 40 amp relay
- Remote mountable intake filter assembly
- Air filter cartridges
- 10 ft of 5/16 in D.O.T. approved air line
- 17 ft of 1/2 in D.O.T. approved air line
- 6 ft of 3/8 in Air line (for intake)
- HornBlasters 200 PSI air gauge
- 18 ft of 10 Gauge power wire
- 18 ft of 18 Gauge power wire
- Wiring kit with fuse holder
- Brass NPT fittings kit including safety valve and blow-off
- All standard mounting hardware & detailed instructions
- It can be heard from almost miles away!
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$1,199.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
HornBlasters Conductors Special 5485 Nightmare Edition Train Horn Kit - HK-S4-5485K
Part #: H/BHK-S4-5485K$1,199.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- All-inclusive Train Air Horn solution!
- Extremely durable & loud!
- The horns are constructed fromfiberglass-reinforced ABSfor extreme durability through all harsh conditions
- Stainless steel diaphragms won't rust
- Extra large 5 gallon air tank
- Heavy duty Viair 485C stealth black air compressor
- Max honk time: 10 to 12 seconds
- Voltage:12 volts DC
- Max amperage:23amps
- Maximum duty cycle:100% @ 200 PSI
- Includes: Shocker S4 Train Horns
- 5 Gallon Air Tank
- Viair 485C stealth black compressor
- 110/150 PSI pressure switch with 40 amp relay
- Remote mountable intake filter assembly
- Air filter cartridges
- 10 ft of 5/16 in D.O.T. approved air line
- 17 ft of 1/2 in D.O.T. approved air line
- 6 ft of 3/8 in Air line (for intake)
- HornBlasters 200 PSI air gauge
- 18 ft of 10 Gauge power wire
- 18 ft of 18 Gauge power wire
- Wiring kit with fuse holder
- Brass NPT fittings kit including safety valve and blow-off
- All standard mounting hardware & detailed instructions
- It can be heard from almost miles away!
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
HornBlasters Shocker S6 544 Nightmare Edition Train Horn Kit - HK-S6-544K
- Fitment: Universal Fit
- All-inclusive Train Air Horn solution!
- Extremely durable & loud!
- Stainless steel diaphragms won't rust
- Extra large 5 gallon air tank
- Heavy duty 444C air compressor
- Max honk time: 8-10 seconds
- Voltage:12 volts DC
- Max amperage:19amps
- Maximum duty cycle:100% @ 100 PSI ,50% @ 200 PSI
- Includes: Shocker S6 Train Horns
- 1/2 in NPT Electric solenoid valve
- 5 Gallon Air Tank
- Viair 444C compressor
- 110/150 PSI pressure switch with 40 amp relay
- Remote mountable intake filter assembly
- Air filter cartridges
- 10 ft of 5/16 in D.O.T. approved air line
- 17 ft of 1/2 in D.O.T. approved air line
- 6 ft of 3/8 in Air line (for intake)
- 17 ft of 10 Gauge power wire
- 17 ft of 18 Gauge power wire and horn wire
- Wiring kit with fuse holder
- Brass NPT fittings kit including safety valve and blow-off
- All standard mounting hardware & detailed instructions
- It can be heard from almost miles away!
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$1,259.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$1,259.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- All-inclusive Train Air Horn solution!
- Extremely durable & loud!
- Stainless steel diaphragms won't rust
- Extra large 5 gallon air tank
- Heavy duty 444C air compressor
- Max honk time: 8-10 seconds
- Voltage:12 volts DC
- Max amperage:19amps
- Maximum duty cycle:100% @ 100 PSI ,50% @ 200 PSI
- Includes: Shocker S6 Train Horns
- 1/2 in NPT Electric solenoid valve
- 5 Gallon Air Tank
- Viair 444C compressor
- 110/150 PSI pressure switch with 40 amp relay
- Remote mountable intake filter assembly
- Air filter cartridges
- 10 ft of 5/16 in D.O.T. approved air line
- 17 ft of 1/2 in D.O.T. approved air line
- 6 ft of 3/8 in Air line (for intake)
- 17 ft of 10 Gauge power wire
- 17 ft of 18 Gauge power wire and horn wire
- Wiring kit with fuse holder
- Brass NPT fittings kit including safety valve and blow-off
- All standard mounting hardware & detailed instructions
- It can be heard from almost miles away!
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Dual Horn (Black) - 225
- Fitment: Universal Fit
- Dual Horn
- Black ABS Trumpets
- Two trumpets, 15″ and 9 3/4″
- Oscillating tone
- 2x Vortex 4 12v electronic air horn solenoids included
- 152.8Â db output
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$104.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$104.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Dual Horn
- Black ABS Trumpets
- Two trumpets, 15″ and 9 3/4″
- Oscillating tone
- 2x Vortex 4 12v electronic air horn solenoids included
- 152.8Â db output
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Onboard Air System - 7270
- Fitment: Universal Fit
- Onboard Air System
- 130
- 130 PSI
- 15 Percent Duty Cycle
- Prewired And Plumbed Air Compressor And Tank Combo System
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$199.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$199.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Onboard Air System
- 130
- 130 PSI
- 15 Percent Duty Cycle
- Prewired And Plumbed Air Compressor And Tank Combo System
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
