What is the construction and purpose of horns?

Horns are electric signal elements mounted in a car, most often in the front part of the body. A typical horn consists of a housing, a diaphragm, working contacts, a bracket, and an electrical connector. Its task is to generate a clear acoustic signal when the driver presses the button. Depending on the vehicle version, it may appear as a single signal or a set of two tones.

What are horns used for?

Horns are used to warn other road users and transmit a short acoustic signal in traffic situations. A functional sound signal system increases safety because it allows for a quick reaction when a light signal or the vehicle's presence alone is insufficient. This component works with the steering wheel button, relay, and fuse, so its operation also depends on the state of the electrical system. A malfunction may mean either a failure of the horn itself or a problem in the control circuit.

What is the construction and function of a horn mount?

A horn mount is an element connecting the sound signal to the vehicle structure at a designated mounting point. It serves to stably seat the housing, limit vibrations, and maintain the correct position relative to covers and wires. In practice, its shape, mounting hole, and bracket length may differ depending on the car model. A damaged or corroded mount can cause looseness, noise, and problems with proper part installation.

How to select a horn for a specific car?

It is safest to compare the OEM part number, interchangeable numbers, connector type, and mounting method. It is also worth checking whether the car has a single-tone or dual-tone system and whether the part fits the pre-facelift or post-facelift version. If horns appear in pairs, it is good to also verify the mounting side and the completeness of the brackets.

What symptoms indicate a problem with the horn or installation?

The most common symptoms are no reaction after pressing the button, a quiet signal, intermittent operation, or a distorted tone. Such symptoms may result from a damaged diaphragm, connector corrosion, a broken wire, or a faulty relay. In diagnostics, it is also worth checking the fuse and the condition of the ground point.

How to take care of horns after installation?

After installation, it is worth periodically checking the cleanliness of the housing, the condition of the plug, and the security of the mounting. A horn operating in a zone exposed to water and dirt should be checked during front-end inspections and after body repairs. A quick reaction to a weakening signal allows you to avoid further damage to contacts and brackets.

Horns

At the Global Parts automotive store, we offer a wide selection of original used car parts, including horns for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen and others. The horns we offer undergo quality control so that you can be sure that you are receiving a top-class product.

More information

Find it faster

Match to your vehicle

Make

Land Range Rover Velar L560 Dual Note Electric Horn Front Left N/S M8A2-13801-AB

€42.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7356772

Mini Clubman F54 Horn Signal Siren 7356772

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 99163516001

Porsche 718 Boxster 982 Horn Signal Low Tone 99163516001

€75.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. AV1T-13802-AB

Ford B-Max Electric Horn Signal Fanfare Low Tone Pitch Sound AV1T-13802-AB

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 4K6951210

Audi A6 C8 Horn Sound Signal Fanfare Alarm Low Tone Siren Left N/S 4K6951210

€42.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A2048705726-1

Mercedes W204 Anti-Theft Alarm Siren Horn Signal Bracket Holder A2048705726

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0055425420

Mercedes W204 W212 X204 High Tone Horn Sound Signal Front Left N/S A0055425420

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0055422420

Mercedes SLK R171 Horn Signal Fanfare High Tone Pitch Siren 510 Hz A0055422420

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 8J0907601

Audi TT 8J Alarm Siren Body Sound Impact Actuator Speaker Unit 8J0907601

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. BK2T13A803AB

Ford Transit Custom MK8 Horn Signal Fanfare Siren Pitch BK2T13A803AB

€37.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0065429820-2

Mercedes W176 W246 Horn Signal Mount Bracket Holders Set x2 A0065429820

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0065422720

Mercedes W245 420Hz Horn Signal Tweeter Fanfare A0065422720

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. DS7T-19G229-BB

Ford Transit Custom Anti Theft System Alarm Siren Horn Signal DS7T-19G229-BB

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 8X0951230C

Audi A1 8X Horn Signal Alarm Siren Bracket Holder 8X0951230C

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0045425420

Mercedes A CLK Class W168 C208 500Hz Horn Signal Tweeter Fanfare A0045425420

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0045425320

Mercedes A CLK Class W168 C208 400Hz Horn Signal Tweeter Fanfare A0045425320

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7353191

Horn Signal BMW F15 F16 F85 F86 High Tone Pitch Fanfare 7353191

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7279782-1

Horn Signal BMW F07 F10 F11 LCI Low Pitch Tone Fanfare Sound Signal 7279782

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 2035420320

Mercedes W169 W203 Low Tone Horn Signal Fanfare 2035420320

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 8U0951210

Audi Q3 8U Horn Siren Alarm Signal High Tone Fanfare Right O/S 8U0951210

€42.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 1K0951223B

Volkswagen VW Touran Scirocco Horn Signal Fanfare Siren High Tone 1K0951223B

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. Q0013693V004

Smart Roadster W450 W452 Horn Signal Fanfare Q0013693V004

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0045427920

Mercedes-Benz CLK-Class W208 Horn Signal Fanfare High Tone 510Hz A0045427920

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7214931

Horn BMW F40 F44 Horn Signal Unit Siren Sound Low Pitch Tone 7214931

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 2753429

Mini R55 R56 R57 R58 R59 Bracket Alternative Power Siren 2753429

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 2M5V-19G229-CA-1

Ford Kuga Mk1 C394 Alarm Siren Signal Fanfare Horn Mount Bracket 2M5V-19G229-CA

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0065421820

Mercedes W245 Horn Sound Signal Fanfare Alarm Siren A0065421820

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A1695457040

Mercedes A B Class W169 W245 Horn Warning Alarm Siren Holder Cover A1695457040

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 1C0951223

Volkswagen New Bettle Horn Signal Alarm Siren High Tone 1C0951223

€32.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. JT7613802BA

Ford Transit Courier Mk1 Horn Low Pitch Signal Siren JT76-13802-BA

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. F1ET-13801-AC

Ford Focus Mk3 Horn Signal High Tone Unit Assy With Bracket F1ET-13801-AC

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7300975

BMW F20 F21 F22 F23 F30 F31 F32 F33 Siren Horn High Tone Electronic 7300975

€32.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. CPLA-13A803-AC

Range Rover Sport L494 Horn Signal Pair High Low Tone CPLA-13A803-AC

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A4515420820

Smart C451 Electric Horn Signal Fanfare Sound Unit A4515420820

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A2465453840

Alarm Siren Bracket Mercedes C117 W176 W246 Anti Theft Signal Mount A2465453840

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0055422720

Mercedes ML W164 Horn Signal Fanfare High Tone Pitch Siren A0055422720

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 6930052-1

BMW MINI Cooper R50 R52 R53 Bracket Aternative Power Siren 6930052

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. DT1T-13802-TA

Ford Transit Connect Mk2 Horn Sound Signal Fanfare Alarm Low Tone DT1T-13802-TA

€32.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7217702

Horn Signal BMW X3 F25 X4 F26 Fanfare Low Tone Pitch Siren 7217702

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. AH42-13801-AA

Land Rover Range Rover L322 Horn Signal Fanfare AH42-13801-AA

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0065429820

Mercedes W176 W246 Horn Signal Fanfare Front Left Horn Signal A0065429820

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0065429820-1

Horn Signal Mercedes W176 W246 1 Fanfare Front Left N/S Horn Signal A0065429820

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7524214

BMW E60 E61 E63 E64 Ground Plate 7524214

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 8T0951221A

Audi A5 8T Alarm Siren Horn Signal Low Tone Fanfare Right O/S Side 8T0951221A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A2035420320

Mercedes CLC CL203 Horn Signal High Tone Siren Fanfare A2035420320

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 8S0951221

Audi RS Q3 F3 Low Tone Horn Siren Signal Alarm 8S0951221

€32.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 99663711702

Porsche Boxster 986 Alarm Signal Horn Siren 99663711702

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 6977755

Anti Theft Alarm BMW E87 E90 E91 E92 Siren Horn Sound Signal Module 6977755

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 8N0951221A

Audi TT 8N Horn Signal Fanfare Low Tone Centre Left N/S 8N0951221A

€32.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 1K0951206N

Skoda Octavia II Yeti 5L Horn Signal Fanfare Low Tone 1K0951206N

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 6N0951221A

Volkswagen Touareg 7L Horn Sound Signal Fanfare Alarm Low Tone Siren 6N0951221A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0055425320

Mercedes-Benz C-Class W204 Horn Signal Fanfare Low Tone 420Hz A0055425320

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. AH42-13802-AB

Range Rover L322 High & Low Tone Horn Signal Fanfare AH42-13802-AB

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 5N0951223A

Volkswagen VW Tiguan 5N Horn Signal Alarm Siren High Tone 5N0951223A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 4F0951229

Audi A6 C6 Horn Signal Alarm Siren Bracket Holder Mounting 4F0951229

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0055422020

Mercedes W221 Horn Signal Alarm Siren High Pitch Tone Right O/S A0055422020

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 3AA951221B

Seat Ibiza 6J Signal Horn Low Tone Fanfare 6J0951206C

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0055424320

Mercedes W245 Horn High Signal Fanfare Front Left N/S 510 HZ A0055424320

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 1EA951221

VW Volkswagen Caddy SB Low Tone Pitch Horn Signal Unit 1EA951221

€42.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. GR3T-19N217-AD

Ford Mustang GT Mk6 Intruder Signal Alarm Siren Horn System GR3T19N217AD

€42.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0065422520

Mercedes W164 Horn Sound Signal Fanfare Alarm Left N/S A0065422520

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. YEB500090

Land Rover Freelander L314 High Tone Horn Signal Siren 4H5Z-13833-BA

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. YEB000062

Land Rover Freelander L314 Low Tone Horn Signal Siren 4H5Z-13833-BA

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7P5951185C

Porsche Cayenne S 92A Horn Fanfare Mount Carrier Bracket 7P5951185C

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. GK2T-13A803-AC

Ford Transit MK8 Electric Twin Dual Horn Signal Unit GK2T-13A803-AC

€56.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7P5951193

Porsche Cayenne 92A Electronic Siren Alarm Retainer Mount Holder 7P5951193

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 2540248

Ford Kuga Mk3 Horn Signal Low Pitch Petrol Hybrid LX6T-13802-CC

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0075421220

Mercedes V251 Front Bumper Signal Air Horn Fanfare 420Hz Left N/S A0075421220

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7284482

BMW F01 F06 F12 Horn Snail Signal Fanfare Siren High Pitch 510Hz 12V 7284482

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 3C0951223E

Skoda Superb MK3 High Tone Horn Signal Alarm Siren 3C0951223E

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0055422120

Mercedes W221 Horn Signal Alarm Siren High Pitch Tone Left N/S A0055422120

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 6N0951223

Volkswagen Touareg 7L Horn Sound Signal Fanfare High Tone Siren 6N0951223

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A2135422700

Horn Signal Mercedes W213 C238 Alarm Siren Low Tone A2135422700

€56.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. YEB500120

Range Rover Sport L320 Alarm Horn Signal Siren High Pitch YEB500120

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7284483

BMW F01 F02 F03 LCI Fanfare Horn Signal Low Tone Pitch 7284483

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. M8A2-13802-AB

Range Rover Velar L560 Dual Note Electric Horn Front Right O/S M8A2-13802-AB

€42.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A2097500083

Mercedes CLK W209 Convertible Anti-Theft Alarm Bracket Mount Holder A2097500083

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 3DD951221A-1

Volkswagen Touareg 7L Horn Sound Signal Fanfare Alarm Low Tone Siren 3DD951221A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7351504

BMW i3 I01 Fanfare Horn Low Tone Pitch Electronic 0055306

€32.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 9250991

BMW F12 Anti Theft Alarm Siren Horn Sound Signal Module 9250991

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A2515420420

Mercedes V251 W251 Horn Signal Fanfare Left N/S 420 Hz A2515420420

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 4L0951229A

Audi Q7 4L Bracket Horn Mounting Plate Holder 4L0951229A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7P6951223A

Audi Q3 F3 VW Touareg 7P High Tone Pitch Horn Siren Signal Fanfare 7P6951223A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A2515420320

Mercedes V251 W251 Horn Signal Fanfare Right O/S 510 Hz A2515420320

€42.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. CPLA-13A803-AB

Land Rover Range Rover Sport L494 Horn Signal Low High Tone CPLA-13A803-AB

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. DS7T19G229BA

Ford Transit Custom Mk1 Anti Theft Alarm Siren Horn Signal System DS7T19G229BA

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 3B0951223

Audi A3 8L TT 8N High Tone Signal Fanfare Horn Warning Signal 3B0951223

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0055426320

Mercedes S211 W211 Front Tone Horn Signal Woofer 420Hz Left N/S A0055426320

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 6Q0951223H

Skoda Fabia Rs 6y Roomster 5J Fanfare Signal Horn High Tone 6Q0951223H

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 8W0951285A

Audi A4 B9 A5 S5 RS5 F5 Alarm Siren Horn Bracket Holder Mount Carrier 8W0951285A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0065421220-3

Mercedes W169 W202 W203 W220 Horn Signal Fanfare A0065421220

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 6Q0951221E

Skoda Fabia Rs 6y Roomster 5J Fanfare Signal Horn Low Tone 6Q0951221E

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 3C0951223A

Volkswagen Passat CC Horn Signal Alarm High Tone 3C0951223A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A4155420500

Mercedes W415 Citan Horn Signal Fanfare A4155420500 256105952

€33.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 5Q0951223F

Audi A3 S3 8V Horn Signal Alarm Siren High Tone 5Q0951223F

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 8J0951223A-1

Audi TT 8J Horn Signal Electronic Fanfare Signal High Tone 8J0951223A

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. 7394075-1

Horn Mini F60 Countryman Horn High Pitch Tone Signal Fanfare 7394075

€28.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A0065428020-1

Mercedes W204 W212 C218 Horn Signal Fanfare High Tone Siren 500Hz A0065428020

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Part no. A2035420120

Mercedes-Benz A C Class W169 W203 High Tone Horn Signal Fanfare A2035420120

€23.95

Free delivery: Sep 11 – 14

If paid before 14:00

Showing 100-198 of 470 products