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HELLA 3FH 007 424-801 Twin Trumpet High/Low Tone 12V Horn Kit with Bracket

by HELLA
4.4 out of 5 stars 130 customer reviews
| 21 answered questions
List Price: $34.80
Price: $29.82 & FREE Shipping on orders over $49. Details
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  • Enter your model number above to make sure this fits.
  • Loud and powerful Twin Trumpet Horns add a level of safety to your driving with 110db(A) of sound
  • Two plastic Red Trumpet Style Horns included for a distinctive and stylish look
  • 5.00 inch high x 4.30 inch wide x 3.2 inch diameter including mounting bracket
  • Kit includes one high-tone 500Hz horn, one low-tone 400Hz horn, one relay, two mounting brackets, and mounting instructions
  • One Year Limited Warranty
› See more product details
21 new from $28.00
$29.82 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • HELLA 3FH 007 424-801 Twin Trumpet High/Low Tone 12V Horn Kit with Bracket
  • +
  • Wolo (HS-2) Horn Button Switch Kit
Total price: $39.79
Buy the selected items together

Product Information

Technical Details

Brand HELLA
Item Weight 1 pounds
Product Dimensions 5.6 x 4.9 x 3.7 inches
Origin Germany
Item model number 3FH 007 424-801
Manufacturer Part Number 3FH 007 424-801
OEM Part Number 007424801
Mirror Lighting Type automotive-exterior-driving-light-bulbs

Additional Information

ASIN B000COBK8A
Customer Reviews
4.4 out of 5 stars 130 customer reviews

4.4 out of 5 stars
Best Sellers Rank #18,632 in Automotive (See top 100)
#584 in Automotive > Performance Parts & Accessories
#740 in Automotive > Light & Lighting Accessories > Bulbs
#796 in Automotive > Motorcycle & ATV > Parts > Electrical > Lights
Shipping Weight 1.2 pounds (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available July 9, 2007

Warranty & Support

Warranty, Parts:PartsWarranty, Labor:Full Manufacturer's Warranty - Sold by Authorized Reseller
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Customer Reviews

Top Customer Reviews

4.0 out of 5 starsClassic-sounding car horn for a great price
By Sagar S. Mungekar on April 23, 2011
Verified Purchase
I bought this horn pair to replace ones that had rusted out on my car. The box came with two horns and a relay. Installation was fairly easy. I didn't use the relay since it wasn't necessary in my case. Each horn uses 6A, so 12A total and my wiring/fuse was capable of 15A. There were instructions printed on the top of the box in the form of electrical schematics, which provided adequate information for wiring the relay if required.

These horns have separate connectors for positive and ground (whereas most stock horns use the bracket as the connection to ground). I had to make a small pigtail with a female quick-disconnect connector and a ring terminal that I connected to the mounting bolt. The positive terminal easily connected with the stock wiring, and will do so on most cars.

The twin-tones make for a classic horn sound like the ones on larger cars from the 70s as opposed to the tinny sound of compacts from the 80s and 90s. They're loud enough, a little louder than the stock horn. I understand that Hella makes Supertone horns too, which are supposed to be louder, but sell for over twice the price. My advice is that if you want this type of horn sound but louder, just buy 2 sets of these. They'll be louder and cheaper than the supertones.

The horns have a solid feel to them, and the plastic trumpets will resist corrosion. The brackets look zinc-coated as well. It would have been nice to be given an option pigtail to ground the bracket, but I easily made one for a few cents. Overall, for the price, these horns can't be beat.
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5.0 out of 5 starsCheap, easy to install (if you're handy), pleasant deep/rich tone
By K.T. on May 25, 2013
Verified Purchase
I have a 2005 Subaru Legacy GT. The stock/factory horns are dual tone, meaning like this, one is low and high pitch. Recently, the low pitch one went out. I had never liked the tinniness of the stock horn so I took it as an opportunity to replace both horns. A new direct OEM replacement would've cost me about $12 shipped from Ebay anyway, so I figured $23 shipped for two new horns from a good aftermarket brand like Hella to replace my annoying stock horns was a good deal.

The horns arrived in a Hella cardboard box, nothing special here. The only thing it comes with is a relay and the two horns, nothing else. No wires, connectors, nothing. I expected this so in case it wasn't clear, now you know. Also, the horns are most definitely RED. Don't be fooled by the picture here. They are NOT black. They are RED. Not that it mattered to me since they're hidden behind my bumper.

Installation instructions are virtually non-existent so if you're the type of person that can't figure things out for him/herself, you may want to get some help, or have someone else put it in for you. The only thing included is a little relay wiring diagram which shows you which connector on the relay goes to what.

In my own case, I did NOT need to use a relay since my car (and most modern cars, if I'm not mistaken) already have a relay for the stock horn. I was able to reuse the connection on my stock horn for the (+) connection, and I wired up a (-) ground directly to the chassis. Note: EACH one of these horns uses 6A of current, for a combined total of 12A. So make sure you select an appropriate gauge for your wires.

These horns were a tiny bit larger than my stock ones, so I had to loosen up the tightening nuts on the rear so that I could pivot the bracket a bit.Read more ›
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5.0 out of 5 starsAwesome horns for a great price!
By Hank3 on July 1, 2015
Verified Purchase
These horns installed very easily and provided a significant upgrade in sound and volume over the puny stock horn to my '03 Mazda Protege5. I purchased an assortment of items (bolts, washers, male and female spade connectors, ring terminals, and wire) to make the install easier and cleaner - YMMV depending what your existing stock setup and wiring is like.

I recorded a video clip of how the horns sound. Go to https://www.youtube.com/watch?v=WzLIdYVzc2o.
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5.0 out of 5 starsGood as original equipment
By N. aguirre on February 15, 2012
Verified Purchase
Sound is just like original equipment on German cars, very easy to install on a BMW as the connector is the same. however i also had a set installed in a VW Golf MK1V the connector had to be modified. If your car is German you should not need to install the included relay as your car is already outfitted with one, If your goal is to give pedestrians a heart attack with the horn blast then you need to select higher decibel.
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4.0 out of 5 starsPoor Instructions Great Horn
By Lynn on July 23, 2015
Verified Purchase
Poor installation instructions but great horns once installed. It took me hours to figure out how to wire these two horns, but I finally found a wiring schematic on the net to successfully wire these horns. After I found the schematic it took me only 30 minutes to wire and install. Nearly all modern day auto horns have a horn relay so all you should need to do is tap into the existing horn harness. Check Amazon photos for schematic. Good luck and enjoy! Try to up vote this posting so people see the pictures. I hope others see this!
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5.0 out of 5 starsWay better than a single factory horn!
By David M Szakacs on July 30, 2013
Verified Purchase
I hate the weak-sounding single horns some cars come with! I replaced the one on my Saturn Sky with these great-sounding Hellas. It required buying and adapting some slide-on plugs to fit the Hella's spaded terminals since the factory plug would not work, plus I had to run wires to the other side of the car so as to power the added horn.
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Most Recent Customer Reviews

5.0 out of 5 starsSuper-loud and well-made

Super-loud and well-made. Good replacement for the original horns on my vintage BMW.

Published 11 days ago by D. Cains
5.0 out of 5 starsNice and loud

Nice and loud, easy installation. I replaced the Porsche Cayenne Horns. Porsche for some reason mounted their horns horizontal so water gets in and gets stuck so it kills the... Read more

Published 21 days ago by Kel-Tec-Innovations
5.0 out of 5 starsLoud and easy OEM replacement.

Loud, check
easy to install, check
I had to replace a bad horn unit, so i wanted to upgrade so people can hear me and i can hear my horn over my exhaust. Read more

Published 1 month ago by Lurvuc
5.0 out of 5 stars*sing along* YOU GOT TO MOVE IT MOVE IT

Working fine on my Wrangler.

I removed the oem horn and put a relay on those wires. Now I switch the oem horn and these two on that relay and have a much more robust big... Read more

Published 2 months ago by Amazon Shopping Wh0re
5.0 out of 5 starsFive Stars

These suckers are loud!

Published 2 months ago by Texas Librarian
4.0 out of 5 starsFour Stars

These add much needed volume to my Lexus LX470. Just added them to the existing circuit. BEEEEP!

Published 2 months ago by Chet
4.0 out of 5 starsGood but does not fit most Hondas.

Does not come ready to fit most recent US Honda models. Not sure about other makes/models. There's a different connector, just fyi. I didn't see it mentioned anywhere on the box. Read more

Published 3 months ago by Luke
4.0 out of 5 starsRespectable replacement for Corolla's "meep meep" horn

The stock horn on my 2004 Toyota Corolla produced a wimpy "meep meep" that sometimes failed to get the attention of other drivers. Read more

Published 3 months ago by The Waz
5.0 out of 5 starsexcellent

Very loud. excellent product

Published 4 months ago by Cars Plus
5.0 out of 5 starsLoud and proud

Loud and sound great. Better than the factory horns sounded. will buy again.

Published 4 months ago by Mike W.

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