---
product_id: 53855315
title: "HELLA Horn B133 Set - 2 Pieces - 12V - 118dB(A) - 300 / 500Hz - Low Tone / High Tone - Electric - Red / Black - Flat Connector incl. Relay - 3AG 003 399-801"
brand: "hella"
price: "₩165633"
currency: KRW
in_stock: true
reviews_count: 13
category: "Hella"
url: https://www.desertcart.kr/products/53855315-hella-horn-b133-set-2-pieces-12v-118db-a-300
store_origin: KR
region: South Korea
---

# 12V efficient power Dual-tone 300/500Hz frequency 118dB(A) ultra-loud sound HELLA Horn B133 Set - 2 Pieces - 12V - 118dB(A) - 300 / 500Hz - Low Tone / High Tone - Electric - Red / Black - Flat Connector incl. Relay - 3AG 003 399-801

**Brand:** hella
**Price:** ₩165633
**Availability:** ✅ In Stock

## Summary

> 🚗 Make your presence impossible to ignore with HELLA Horn B133!

## Quick Answers

- **What is this?** HELLA Horn B133 Set - 2 Pieces - 12V - 118dB(A) - 300 / 500Hz - Low Tone / High Tone - Electric - Red / Black - Flat Connector incl. Relay - 3AG 003 399-801 by hella
- **How much does it cost?** ₩165633 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/53855315-hella-horn-b133-set-2-pieces-12v-118db-a-300)

## Best For

- hella enthusiasts

## Why This Product

- Trusted hella brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dynamic Dual-Tone Sound:** 300Hz low and 500Hz high tones for unmistakable alerts
- • **Plug-and-Play Installation:** Flat blade connectors and included relay for hassle-free setup
- • **Command Attention Instantly:** 118dB(A) volume cuts through city noise with ease
- • **Power-Efficient Performance:** Reliable 12V operation ensures consistent horn blasts
- • **Durable Weather-Resistant Build:** IPX4 & IPX9K protection withstands harsh conditions

## Overview

The HELLA Horn B133 Set delivers a powerful 118dB dual-tone alert (300/500Hz) powered by a 12V system, designed for professional-grade reliability. Featuring robust IPX4 and IPX9K weather protection and easy installation with flat blade connectors and relay, this horn set ensures your vehicle stands out audibly in any environment.

## Description

Horn

Review: Great to deafen friends - Really loud really well built easy to install great value for money and functions perfectly will buy again for my next car
Review: They work great - Very loud

## Features

- Please note: Please check whether the item really fits your vehicle. Use the data from your vehicle documents. Please also note additional restrictions in the desertcart vehicle finder!
- Product information: horn; frequency range [Hz]: 300, 500; power consumption [W]: 66; voltage [V]: 12; width [mm]: 125; depth [mm]: 85; mounting type: blade connection; certification: ECE, ECE-R28; protection class (IP) code: X4K, X9K; temperature range of [°C]: -40; Temperature range up to [°C] Height: 60 mm; diameter: 123 mm; housing colour: red/black; quantity: 2; quantity: set; beep: strong tone; volume [dB(A)]: 118; assembly/disassembly required by specialists
- Product information: manufacturer: Hella; box contents: 1 piece; condition: new
- OE comparison numbers: 3AG 003 399-801, 4381 85115
- Note: You need help with your car part? Use our free verification service to avoid incorrect orders. Please select your vehicle from the desertcart vehicle list.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00ASK3BP8 |
| Best Sellers Rank | 65,248 in Automotive ( See Top 100 in Automotive ) 107 in Car Horns |
| Brand | Hella |
| Customer Reviews | 4.4 4.4 out of 5 stars (767) |
| Date First Available | 20 Sept. 2013 |
| Item Weight | 960 g |
| Item model number | 3AG 003 399-801 |
| Manufacturer | Hella KGaA Hueck & Co. |
| Manufacturer part number | 3AG 003 399-801 |
| Model | 109.23.37 |
| OEM Part Number | 438185115 |
| Product Dimensions | 18.6 x 17 x 14.1 cm; 960 g |

## Product Details

- **Brand:** Hella
- **Colour:** Red
- **Item dimensions L x W x H:** 18.6 x 17 x 14.1 centimetres
- **Material:** Metall
- **Voltage:** 12 Volts

## Images

![HELLA Horn B133 Set - 2 Pieces - 12V - 118dB(A) - 300 / 500Hz - Low Tone / High Tone - Electric - Red / Black - Flat Connector incl. Relay - 3AG 003 399-801 - Image 1](https://m.media-amazon.com/images/I/51Z-MaoyA1L.jpg)

## Questions & Answers

**Q: Does this listing consist of 2 pieces?**
A: Yes- 12V Low Tone Frequency: 300 Hz High Tone Frequency: 500 Hz. Also includes relay, but no wiring or additional mounting hardware. VERY loud.

**Q: Where are they made?**
A: Hella horns are made in India

**Q: Installion instruction**
A: Actually there are Instructions..
There are so Small (tiny) its not even funny.
After you open the Lid they are on top of the Flaps!
English is on the Top Left Flap.. 
----
I Needed to Adjust the Brackets to install the Horns on my Truck and Sadly since it CANT Be seen. It tells you NOT to adjust the Bracket it affect the electromagnetical properties and will result in loss of performance and warranty..
AND I MOVED MINE! I AM Pissed off!!! I COULDN'T SEE THIS...

**Q: Are these water resistant? Like if they are on an offroad vehicle and get submerged occasionally will they still work?**
A: These are more the water resistant. I have used this product for several years on several viechle's including motorcycles that get ridden in the rain several months of the year and have had not breakdown do to water stopping them from working. The even have been under water for about 5 minutes and worked immediately after that and several years later were still working.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great to deafen friends
*by M***Y on 4 August 2025*

Really loud really well built easy to install great value for money and functions perfectly will buy again for my next car

### ⭐⭐⭐⭐⭐ They work great
*by P***L on 20 September 2025*

Very loud

### ⭐⭐⭐⭐⭐ Good horns
*by P***L on 9 May 2023*

Pretty loud and also look good through grill

## Frequently Bought Together

- Hella Stark Sound – 109.23.37 – Red Set 12 V High/Low Frequency Hella Super Tone Horn Set B 133, 12 volt
- Somaer 12V Horn Wiring Harness Relay Kit For Car Truck Grille Mount Blast Tone Horns(Horn Not Included)
- HELLA H31000001 Sharptone 12V High Tone / Low Tone Twin Horn Kit with Yellow Protective Grill, Includes Relay, 2 Horns

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**Shop now:** [https://www.desertcart.kr/products/53855315-hella-horn-b133-set-2-pieces-12v-118db-a-300](https://www.desertcart.kr/products/53855315-hella-horn-b133-set-2-pieces-12v-118db-a-300)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-01*