--- 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: "410.82 DT" currency: TND in_stock: true category: "Hella" url: https://www.desertcart.tn/products/53855315-hella-horn-b133-set-2-pieces-12v-118db-a-300 store_origin: TN region: Tunisia --- # 12V efficient power Dual-tone 300/500Hz frequency 118dB piercing volume 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:** 410.82 DT **Availability:** ✅ In Stock ## Summary > 🚗 Make your presence heard — loud, clear, and unmistakable! ## 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?** 410.82 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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 - • **Dual-Tone Precision:** Low and high tones at 300Hz and 500Hz create a rich, attention-grabbing alert that cuts through noise. - • **Plug-and-Play Installation:** Flat blade connectors and included relay simplify professional assembly, getting you back on the road faster. - • **Command Attention Instantly:** With a powerful 118dB sound output, your presence on the road is impossible to ignore. - • **Universal 12V Compatibility:** Designed to fit most passenger vehicles seamlessly, ensuring easy integration without hassle. - • **Durable Weather-Resistant Build:** Certified IP X4K and X9K protection means reliable performance rain or shine, from -40°C to high heat. ## Overview The HELLA Horn B133 Set delivers a robust 118dB dual-tone alert (300/500Hz) powered by a universal 12V system. Engineered for durability with IP X4K/X9K protection and a temperature range from -40°C upwards, this red/black electric horn set includes flat connectors and a relay for professional-grade installation. Perfect for passenger cars seeking a reliable, attention-commanding upgrade. ## Description Horn ## 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 | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | 22,061 in Automotive ( See Top 100 in Automotive ) 44 in Car Horns | | Brand Name | HELLA | | Colour | Red | | Compatible with Vehicle Type | Passenger Car | | Customer Reviews | 4.4 4.4 out of 5 stars (811) | | Fit Type | Universal Fit | | Global Trade Identification Number | 04082300002355 | | Item Dimensions | 18.6 x 17 x 14.1 centimetres | | Item Weight | 0.96 Kilograms | | Manufacturer | Hella KGaA Hueck & Co. | | Manufacturer Part Number | 3AG 003 399-801 | | Material Type | Metall | | Model Number | 3AG 003 399-801 | | Noise Level | 118 Decibels | | Number of Items | 1 | | Number of Packs | 2 | | OEM Equivalent Part Number | 438185115 | | Style Name | Modern | | Unit Count | 1.0 count | | Voltage | 12 Volts | ## 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) ![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 2](https://m.media-amazon.com/images/I/51Vc5YpJtLL.jpg) ![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 3](https://m.media-amazon.com/images/I/31e5Yq-JoXL.jpg) ![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 4](https://m.media-amazon.com/images/I/51gb8Js+DWL.jpg) ![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 5](https://m.media-amazon.com/images/I/415X+T4lylL.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. ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/53855315-hella-horn-b133-set-2-pieces-12v-118db-a-300](https://www.desertcart.tn/products/53855315-hella-horn-b133-set-2-pieces-12v-118db-a-300) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-17*