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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Ford Fiesta Mk7 Alarm Horn Signal Siren 8V2T-13832-AA

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Horn Signal Mercedes W156 W176 W246 Fanfare Siren 500Hz Right O/S A0005405700

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Volkswagen VW Polo 9N Horn Signal Fanfare Siren 600951223B

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Mini F55 F56 F57 High Low Tone Pitch Horn Signal Siren Fanfare 7337292

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Part no. 7401573-2

Mini F55 F56 F57 High Low Tone Pitch Horn Signal Siren Fanfare 7337292

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Part no. 1K0951223B

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

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Part no. 6C1T13A803AA

Ford Transit Horn Signal Fanfare Siren Pitch 6C1T13A803AA

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Part no. 7835736

BMW 5 6 Series E60 E61 LCI M5 Horn Signal Low Tone Pitch 7835736

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Part no. A0045429220

Mercedes S211 W211 High Tone Horn Signal Tweeter Fanfare A0045429220

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BMW F07 GT Horn Signal Pitch Fanfare Alarm Siren 7248686

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Part no. 4K6951223

Audi A6 C8 High Tone Horn Fanfare Right O/S 4K6951223

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Part no. 2T1T-13802-AG

Ford Transit Connect Mk1 Low Tone Pitch Horn Siren Signal 2T1T-13802-AG

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BMW F45 F46 Fanfare Horn Low Tone Pitch Signal 7332594

-15%

Part no. 7332594

BMW F45 F46 Fanfare Horn Low Tone Pitch Signal 7332594

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Part no. 8077467

BMW M2 F87 Horn Signal Alarm Siren High Pitch Tone 8077467

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Part no. 7300975-2

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

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Part no. 8N0951223A

Audi TT 8N Horn Signal Fanfare High Tone Centre Right O/S 8N0951223A

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Part no. 9396058

Mini F55 F56 F57 Single Horn Cabel Wiring 9396058

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Part no. 6C1T-13A803-AB

Ford Transit Mk7 Horn Signal Double Fanfare Siren Pitch 6C1T-13A803-AB

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Part no. 3DD951223A

Volkswagen Touareg 7L Horn Sound Signal Fanfare Alarm High Tone Siren 3DD951223A

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Part no. 3DD951221A

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

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Part no. 8V2T13802AB

Ford Fiesta MK7 Horn Signal Fanfare Alarm 8V2T13802AB

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Part no. AV6N-19G229-AE

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

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Audi A4 B7 Horn Sound Signal Fanfare Alarm Low Tone Siren 8E0951221C

-5%

Part no. 8E0951221C

Audi A4 B7 Horn Sound Signal Fanfare Alarm Low Tone Siren 8E0951221C

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Part no. A6395400076

Mercedes W639 W903 Tone Horn Signal Fanfare A6395400076

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Part no. A0075425320

Mercedes GLE C292 ML W166 Horn Tweeter Horn Signal 510Hz Fanfare A0075425320

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Part no. A2218208526

Mercedes-Benz S-Class W221 Anti-Theft Alarm Siren Horn Signal A2218208526

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Part no. 9243750-1

BMW E60 E61 E65 E81 E87 E90 E91 E92 Horn Signal Anti Theft Alarm Siren 6936009

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Part no. 7492206

BMW G20 G21 G22 G23 G42 Horn Signal Alarm Fanfare Low Tone Pitch 7492206

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Part no. A0065427920

Mercedes R172 Horn Signal Alarm Siren High Tone Front Left N/S A0065427920

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Part no. A0075425420

Mercedes GLE C292 ML W166 Horn Low Tone Signal 420Hz Fanfare A0075425420

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Part no. A0065429120

Mercedes R172 Horn Signal Low Tone Pitch Fanfare A0065429120

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Part no. 1908657

Ford Mustang GT Mk6 Horn Signal Fanfare Assembly Set FR3T-13A803-DA

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Part no. 8U0951209-1

Audi Q3 8U Horn Signal Fanfare Low Tone 400Hz Front Left N/S 8U0951209

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Part no. 80A951223

Audi Q5 Mk2 FY High Tone Horn Signal Alarm Siren 80A951223

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Part no. 4K6951221C

Audi A6 C8 Siren Horn Signal Low Tone Fanfare Right O/S Side 4K6951221C

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Porsche Cayenne Horn Fanfare Signal Siren Low Tone Pitch 7P5951183E

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Part no. 9682892280

Peugeot 207 Horn Sound Signal Fanfare Alarm High Tone Siren 9682892280

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Part no. A0045427820

Mercedes-Benz CLK-Class W208 Horn Signal Fanfare Low Tone 420Hz A0045427820

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Part no. A0055422520

Mercedes S211 W211 Front Horn Signal Fanfare Tone 420Hz A0055422520

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Part no. A0045428120

Horn Mercedes-Benz C CLK S Class C209 W203 W220 Signal Fanfare A0045428120

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Part no. A0045428020

Mercedes-Benz CL S Class C215 W220 Horn Signal Fanfare Right O/S A0045428020

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Part no. A2045456740

Mercedes W204 Anti-Theft Alarm Siren Horn Signal Bracket Holder A2045456740

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Part no. 3AA951221B

Seat Ibiza 6J Signal Horn Low Tone Fanfare 6J0951206C

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Part no. 1371440080

Fanfare Horn Citroen Relay Peugeot Boxer Signal Low Tone Pitch 1371440080

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Part no. 2K5951221A

Audi Q2 GA Fanfare Horn Signal Low Tone 2K5951221A

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Part no. 4G0951221

Audi A6 C7 A7 4G Low Tone Horn Signal Alarm 4G0951221

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Part no. 7342945

High Pitch Horn BMW F30 F31 F32 G11 G30 G31 G12 Fanfare Sound Signal 7342945

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Part no. 8W0951223

Horn Signal Alarm Audi A4 B9 A5 F5 High Pitch Tone 8W0951223

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Part no. 7214930

Horn High BMW F40 F44 Horn Fanfare Pitch Tone Signal 7214930

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Part no. A0065421220-2

Mercedes W169 W202 W203 W220 Horn Signal Fanfare A0065421220

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Part no. 6948392

BMW 1 3 5 7 SERIES E60 E61 E65 E66 E67 E87 E90 Alarm Siren 6948392

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Part no. 3B0951223E

Audi Q2 GA High Tone Signal Fanfare Horn Warning Signal 3B0951223E

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Part no. A0045423620

Horn Signal Mercedes W124 W202 W210 Fanfare High Tone Siren 485Hz A0045423620

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Part no. 6H52-13A803-AC

Land Rover Freelander 2 Horn Low High Tone Fanfare Set 6H52-13A803-AC

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Range Rover L405 Horn Signal Fanfare Alarm Horn Siren 6G9N-19G229-DG

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Range Rover L405 Horn Signal Fanfare Alarm Horn Siren 6G9N-19G229-DG

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

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Mercedes C207 Coupe Horn Signal Fanfare 420Hz Front Right O/S A2075421720

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Mercedes W221 Fanfare 420Hz Front Right O/S Horn Signal A0065420720

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Audi A6 C8 Engine Sound Speaker Box 4K0035916A

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Land Rover Range Rover Sport L320 Low Tone Horn Signal Siren Alarm YEB500080

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Land Rover Range Rover Sport L320 Low Tone Horn Signal Siren Alarm YEB500080

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Part no. DS7T-19N217-AA

Ford Mondeo Mk5 Alarm Siren Horn Fanfare Module Control Unit DS7T-19N217-AA

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Horn Signal BMW F45 F46 LCI Fanfare Low Tone Pitch Siren 7492891

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BMW X5 E70 Alarm Siren Fanfare Horn High Pitch 7288095

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Audi A3 8P High Tone Horn Fanfare Signal Alarm Siren 8P0951223

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Part no. A0048201826

Mercedes W169 Alarm Siren Trumpet Horn Signal A0048201826

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Mercedes W205 High Low Tone Pitch Horn Signal Alarm Siren Fanfare A2055420820

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Mercedes W205 High Low Tone Pitch Horn Signal Alarm Siren Fanfare A2055420820

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Horn Signal Mercedes W169 W202 W203 ML W164 Fanfare Right O/S A0065429020

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Part no. A2475403306

Horn Signal Mercedes C118 W177 W247 Fanfare Pitch Siren 510Hz A2475403306

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Part no. A2055420920

Mercedes W205 Horn Signal Tweeter Fanfare Left N/S A2055420920

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Part no. 7835734

BMW 5 Series E60 E61 LCI M5 Horn High Pitch Tone Fanfare 7835734

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Part no. 7P5951184E

Porsche Cayenne 92A Horn Sound Signal Fanfare Alarm High Tone Siren 7P5951184E

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Mercedes W203 S203 CL203 W463 Horn Signal Fanfare Left N/S A4615420020

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Part no. 5A020F9

Mini F55 Alarm Fanfare Siren Horn Signal Low Pitch Tone 5A020F9

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Part no. 6R0951221A

VW Volkswagen Polo 6R Signal Air Horn Low Tone Pitch Fanfare 6R0951221A

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Part no. 6M2T-13A803-AD

Ford S-Max Horn Signal Alarm Siren Double Twin 6M2T-13A803-AD

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VW Volkswagen Polo 6R Signal Air Horn High Tone Pitch Fanfare 6R0951223A

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Part no. 4H0907601C

Audi S7 4G8 Alarm Siren Body Sound Impact Actuator Speaker 4H0907601C

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Peugeot 3008 Twin Double Horn Signal Fanfare High Low Tone Pitch 9657476680

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BMW F22 F30 F32 F80 M3 F82 M4 LCI Horn Low Pitch Tone Signal 7400706

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Part no. 6R0951181C

Volkswagen Polo Mk5 6R Horn Fanfare Signal Bracket Holder 6R0951181C

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Mini F60 Countryman Horn High Pitch Tone Signal Fanfare 8495329

-3%

Part no. 8495329

Mini F60 Countryman Horn High Pitch Tone Signal Fanfare 8495329

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Part no. A2535422100

Mercedes GLC C253 Horn Signal Fanfare Front Right O/S Low Tone A2535422100

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Part no. A4535420400

Smart ForTwo C453 Renault Twingo III Horn Signal Fanfare A4535420400

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Mercedes W169 W202 W203 W220 Horn Signal Fanfare A0065421220

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Skoda Octavia IV Horn Signal Low Tone Pitch Fanfare 4H0951221B

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Part no. 9137670

BMW E88 Convertible Anti Theft Alarm Siren Bracket Mount Holder 9137670

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Part no. 7P6951221A

Volkswagen VW Touareg 7P Low Tone Pitch Horn Siren Signal Fanfare 7P6951221A

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Part no. 8492761

High Tone Horn BMW X1 F48 LCI X2 F39 Fanfare Siren Horn Pitch Signal 8492761

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Part no. A0055427920

Horn Signal Mercedes W204 W212 Fanfare Sound Alarm High Tone Siren A0055427920

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BMW E46 Horn Signal Low Tone Pitch Fanfare Siren 8379710

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Part no. 2694304-1

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

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Part no. A9068200085

Mercedes Sprinter W906 Horn Signal Fanfare Alarm Siren Pitch A9068200085

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Audi TT 8N Horn Signal Fan Fare Low Tone Pitch Siren Left N/S 8N0951221

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Part no. 9802888080

Horn Signal Citroen Berlingo Peugeot Partner Fanfare Alarm 9802888080

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Part no. A2535422200

Mercedes X253 Alarm Siren Horn Signal Low Tone Sound Left N/S 510Hz A2535422200

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Part no. 6236E3

Peugeot 307 Horn Signal Fanfare Sound Alarm High Tone Siren 6236E3

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Part no. A0065429820

Mercedes W176 W246 Horn Signal Fanfare Front Left Horn Signal A0065429820

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Part no. LR026039

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

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Part no. 7492205

BMW G20 G20 G20 LCI G21 G22 G42 Alarm Horn Signal Siren High Pitch 7492205

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Part no. AV1T-13A803-AC

Ford Fiesta Mk7 Twin Horn Assembly Low & High Tone Signal AV1T-13A803-AC

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