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.

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Mercedes W169 W203 Low Tone Horn Signal Fanfare A2035420220

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A0055425720

Horn Signal Mercedes W203 W251 Right O/S Alarm Siren High Tone A0055425720

€28.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 1T0951206E

Volkswagen Touran 1T Golf Mk5 Mk6 High Tone Horn Audio Signal 1T0951206E

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 99661823704

Porsche Boxster 986 Alarm Siren Horn System 99661823704

€85.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 8J0951185B

Audi TT 8J Horn Signal Alarm Siren Bracket Holder Mounting 8J0951185B

€23.95

Free delivery: Sep 30 – Oct 5

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 30 – Oct 5

If paid before 14:00

Part no. BJ32-13A803-AC

Range Rover Rvoque L538 Electric Signal Horn Alarm Double BJ32-13A803-AC

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. BK2T13A803AB

Ford Transit Custom MK8 Horn Signal Fanfare Siren Pitch BK2T13A803AB

€37.95

Free delivery: Sep 30 – Oct 5

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 30 – Oct 5

If paid before 14:00

Part no. 5N0951221B

VW Volkswagen Tiguan 5N Horn Fanfare Signal Low Tone 5N0951221A

€23.95

Free delivery: Sep 30 – Oct 5

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 30 – Oct 5

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 30 – Oct 5

If paid before 14:00

Part no. 6935709

BMW 5 Series E60 E61 E63 E64 Bracket Horn Mounting Plate 6935709

€23.95

Free delivery: Sep 30 – Oct 5

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 30 – Oct 5

If paid before 14:00

Part no. 9H22-13A803-AA

Land Rover Discovery 3 Dual Note Horn Signal And Bracket L319 9H22-13A803-AA

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. DS7T19G229BA-1

Ford Ranger Wildtrak Mk6 Anti Theft Alarm Siren Horn Signal DS7T-19G229-BA

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7401574

Mini Cooper One F55 F56 Low Tone Pitch Horn Signal Siren Fanfares 8492675

€37.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 4G0951223

Audi A6 C7 A7 4G High Tone Horn Signal 4G0951223

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7N0951223A

VW Volkswagen Sharan 7N Horn Signal Fanfare High Tone Pitch Siren 7N0951223A

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A0065425120

Mercedes W204 W212 Horn Signal Fanfare High Tone 510Hz A0065425120

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 8J0951221A

Audi TT 8J Horn Signal Electronic Fanfare Signal Low Tone 8J0951221A

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7170944

Horn BMW X5 E70 X6 E71 Low Tone Low Pitch Horn Siren 7170944 7288096

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7N0951221A

VW Volkswagen Sharan 7N Low Tone Horn Signal Alarm Hooter Fanfare 7N0951221A

€23.95

Free delivery: Sep 30 – Oct 5

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 30 – Oct 5

If paid before 14:00

Part no. 8379703

BMW 7 Series E65 E66 E67 Horn Low Pitch 61338379703 8379703

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 5C0951223C

Volkswagen Touran 1T High Tone Pitch Horn Signal Alarm Siren Fanfare 5C0951223C

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. F1ET13801AD

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

€28.95

Free delivery: Sep 30 – Oct 5

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 30 – Oct 5

If paid before 14:00

Part no. 1K0951221B

Skoda Octavia II Horn Signal Fan Fare Siren Low Tone 1K0951221B

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 99661823701

Porsche Boxster 986 Ani Theft Alarm Horn Siren Fanfare System 99661823701

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 99663515000

Porsche Boxster 986 Horn Signals Alarm Fanfare Low High Tone Set X2 99663515000

€66.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A0055420220

Horn Signal Mercedes W169 W202 W203 W220 Fanfare High Tone Pitch A0055420220

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 1K0951223B-1

Skoda Octavia II Horn Signal Fan Fare Siren High Tone 1K0951223B

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A9075404905

Mercedes Sprinter W907 W910 Horn Signal Fanfare Siren A9065400076

€32.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 4H0951221

Audi A6 C6 Horn Signal Low Tone Pitch Fanfare 4H0951221

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 8P0951221C-1

Audi A3 8P Horn Signal Low High Tone Pitch Siren Set 8P0951221C 8P0951223C

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 2697271-1

Ford Kuga C520 High Low Tone Horn Signal Alarm Tone 2.0 TDCi DV4T-13A803-AD

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. EH22-19G229-AB

Land Rover Discovery 4 L319 Anti Theft Alarm Siren Horn EH22-19G229-AB

€32.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A2228202926

Alarm Siren Mercedes W204 W212 Anti-Theft Horn Signal A2228202926

€49.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 2753032

BMW MINI Cooper One R55 R56 R57 LCi R58 R59 Horn Low Tone Pitch 2753032

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7850336

Signal Horn BMW F22 F23 High Pitch Tone Fanfare 7850336

€28.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A0065428020

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

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. YEB500160-1

Range Rover Sport L320 High Pitch Horn Signal Alarm 8H32-13801-AA

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 5H0951206E

VW Volkswagen Golf Mk8 Electric Horn Signal Fanfare Low Tone 5H0951206E

€37.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7192035

BMW 1 Series E87 Horn Low Pitch Tone Fanfare 7171749

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 99763520603

Porsche Cayman 987C Twin Double Horn Signal Fanfare Alarm Unit 99763520603

€51.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. LR026039

Range Rover Evoque L538 Electric Signal Horn Alarm Pair BJ32-13A803-AC

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 8387342

BMW X5 E53 Hella Low Tone Pitch Horn 420HZ 8387342

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A2035420320-1

Mercedes CLC CL203 Horn Signal High Tone Siren Fanfare A2035420320

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 3403279

BMW X3 Series E83 Low Tone Pitch Snail Horn Signal Siren Bosch 3403279

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A2035420420

Mercedes CL203 Horn Signal Tone Siren Fanfare Left N/S 420 Hz A2035420420

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 5C0951221B

Volkswagen Touran 1T Signal Air Horn Low Tone Pitch Fanfare 5C0951221B

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7279781

BMW F07 F10 F11 LCI Horn High Pitch Tone Signal Fanfare 7279781

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. YEB500160

Range Rover Sport L320 High Pitch Horn Signal Alarm 8H32-13801-AA

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 3M5T-13A803-CA

Ford Kuga Mk1 Twin Electric Horn Unit Low & High Tone 3M5T-13A803-CA

€28.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7353193

Horn Signal BMW F15 F16 F85 F86 Low Tone Pitch Fanfare 7353193

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. BJ32-13A803-AC-1

Range Rover Evoque L538 Electric Signal Horn Alarm Double BJ32-13A803-AC

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 2035420320

Mercedes W169 W203 Low Tone Horn Signal Fanfare 2035420320

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. AV6N-19G229-AD

Ford Focus Mk3 Anti Theft Alarm Horn Signal AV6N-19G229-AD

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A2075420320

Mercedes C207 Horn Signal Fanfare Low Tone Left N/S A2075420320

€32.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A0065428920

Mercedes ML W166 Horn Low Range Note 420 Hz Signal Tone A0065428920

€51.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A0065427720

Mercedes W166 High Tone Tweeter Horn Signal Fanfare Alarm 510Hz A0065427720

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A2135422700

Horn Signal Mercedes W213 C238 Alarm Siren Low Tone A2135422700

€56.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 9167637

Alarm Siren BMW E60 E61 E65 E81 E87 E90 E91 E92 Horn Signal Anti-Theft 9167637

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. a0075425920

Mercedes SLK R172 Horn Signal Left N/S Fanfare 500Hz A0075425920

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 5F0951182A

Seat Leon Cupra 5F Horn Signal Fanfare Mount Bracket Holder Retainer 5F0951182A

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 3403281

BMW X3 Series E83 High Tone Pitch Horn Signal Siren Bosch 3403281

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7353193-1

Horn Signal BMW F15 F16 F85 F86 Low Tone Pitch Fanfare 7353193

€32.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A4475408682

Mercedes W447 Alarm Siren Horn Signal Low Tone Sound Left N/S 420Hz A4475408682

€42.95

Free delivery: Sep 30 – Oct 5

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 30 – Oct 5

If paid before 14:00

Part no. 7159187

BMW 1 SERIES E87 Horn High Pitch 7159187 7191187 61337191187 61337159187

€28.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A0005405500-1

Horn Signal Mercedes W176 W246 W156 W117 Fanfare 400Hz Left N/S A0005405500

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A0045427720

Mercedes W203 Horn Signal Fanfare Siren Alarm A0045427720

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 1K0951182H

Volkswagen VW Golf MK 6 Horn Signal Fanfare Siren 1K0951182H

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. M8A2-13802-AA

Range Rover Velar L560 Horn Fanfare Signal Low Tone M8A2-13802-AA

€28.95

Free delivery: Sep 30 – Oct 5

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 30 – Oct 5

If paid before 14:00

Part no. A0045427420

Mercedes W203 Horn Signal Fanfare Siren Alarm 400Hz A0045427420

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A2075421820

Mercedes W207 Horn Signal Fanfare Siren Left N/S 400Hz A2075421820

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A2475403206

Mercedes W177 Horn Signal Front Left Side N/S 420Hz Siren Signal A2475403206

€32.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 5B72AC4

Mini F66 Alarm System Power Siren With Inclination Indicator 5B72AC4

€70.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 2785110

Ford Transit Mk8 Horn Signal Fanfare High Low Tone Set GK2T-13A803-AB

€37.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 2694304

Ford Focus III Horn Signal Fanfare Sirene Alarm BM5T-13A803-AC BM5T-13A803-AD

€28.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 8377290

BMW X3 E46 E83 Bracket Alternative Power Siren Alarm Holder Mount

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7947122

BMW F20 F21 LCI Horn Signal High Tone Pitch Fanfare Signal 7947122

€32.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7245423

BMW F20 F22 F30 High Tone Pitch Horn Signal Siren Clarton 7245423

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 6935988

BMW 5 6 Series E60 E60N E61 E61N E63 E63N E64 LCI Horn Low Tone Pitch 6935988

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 8T0951221

Audi A5 8T Alarm Siren Horn Signal Low Tone Fanfare Right O/S Side 8T0951221

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 5Q0951221A

Audi A3 8V Horn Signal Fan Fare Low Tone Pitch Siren 5Q0951221A

€23.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 99163515901

Porsche 718 Boxster Cayman 982 Horn Sound Signal Fanfare High Tone 99163515901

€118.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. YEB000020

Range Rover L322 High Note Horn Fanfare Alarm Signal Assembly YEB000020

€32.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. 7850337

BMW F22 F23 Horn High Pitch Tone Signal Fanfare 7850337

€28.95

Free delivery: Sep 30 – Oct 5

If paid before 14:00

Part no. A1718202526

Warning Alarm Mercedes W220 W215 W211 Horn Siren A1718202526

Product currently unavailable

Part no. A2038203826

Mercedes CLK W203 W209 Anti Theft Alarm Siren Horn Signal A2038203826

Product currently unavailable

Part no. A2198203226

Mercedes-Benz A C CLK Class W169 W203 C209 Horn Warning Alarm Siren A2198203226

Product currently unavailable

Part no. 1K8951605A

Volkswagen Scirocco MK3 Golf MK6 Seat Ibiza 6J Alarm Siren Horn 1K8951605A

Product currently unavailable

Part no. YWK500040-1

Range Rover Sport L320 Anti Theft Alarm Siren Signal Unit YWK500040

Product currently unavailable

Part no. A0055426620

Horn Signal Mercedes W203 W219 W229 Fanfare High Tone 510Hz A0055426620

Product currently unavailable

Part no. A2135424400

Horn Signal Mercedes W213 C238 C257 Alarm Siren High Tone Left N/S A2135424400

Product currently unavailable

Part no. A0065420820

Mercedes W221 Fanfare 510Hz Front Left N/S Horn Sound Signal A0065420820

Product currently unavailable

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