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 S211 W211 High Tone Horn Signal Tweeter Fanfare A0045429220

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

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BMW F40 Fanfare Horn Signal Low Tone Pitch Electronic 7933223

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Part no. 5Q0951221C

Audi A3 8V Horn Signal Fan Fare Low Tone Pitch Siren 5Q0951221C

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Part no. 9466247

BMW G26 Horn Low Pitch Tone Signal Fanfare 9466247

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Part no. A0045425320-1

Mercedes SLK R170 Horn Signal Siren Fanfare Hella 400Hz A0045425320

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Part no. A190-20-A

Renault Trafic II Alarm Siren Horn Signal Anti-Theft Shurlok A190-20-A

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Part no. 1K0951223B-1

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

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Part no. CPLA-13A803-AB

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

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Part no. A2535421600

Mercedes GLC X253 Low Tone Horn Fanfare Siren 420Hz 12V A2535421600

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Part no. 6930052-1

BMW MINI Cooper R50 R52 R53 Bracket Aternative Power Siren 6930052

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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. 8P0951223

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

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Part no. 1K0951221A

Volkswagen Touran 1T Signal Air Horn Low Tone Pitch Fanfare 1K0951221A

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Part no. 6977755

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

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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. 7353191-1

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

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Part no. 8495329-1

Horn Mini Cooper F60 Countryman Horn High Pitch Tone Signal Fanfare 8495329

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Part no. KV6T13802AC

Ford Transit Connect Horn Signal Alarm Horn Siren FIAMM KV6T-13802-AC

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Part no. A0075421120

Mercedes V251 Front Bumper Signal Air Horn Fanfare 510Hz Right O/S A0075421120

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Part no. 2E0951115E

Volkswagen VW Crafter Horn Signal Fanfare Siren 2E0951115E

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Part no. 7640517

BMW i3 I01 Alarm Horn Siren Bracket Holder Mount 7640517

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Part no. KV6T13801AC

Ford Transit Connect Horn Signal High Pitch Alarm Horn Siren KV6T-13801-AC

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Mini Cooper F54 High Tone Pitch Horn Signal 8495258

-40%

Part no. 8495258

Mini Cooper F54 High Tone Pitch Horn Signal 8495258

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

-5%

Part no. A0045425320

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

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Part no. EH22-19G229-AB

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

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Part no. 6M2T-13A803-AC

Ford Mondeo Mk4 Horn Signals Alarm Fanfare Pair Set X2 6M2T-13A803-AC

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Part no. 8N0951221

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

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Part no. 7492891

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

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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. 1J0951605A-1

Volkswagen Transporter T5 Alarm System Siren Anti Theft Signal 1J0951605A

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Part no. 3C0951221A

Volkswagen Eos 1F Passat B6 Horn Signal Siren Left N/S 3C0951221A

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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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Part no. DT1T13A803AD

Ford Transit Connect Mk2 Horn Signal Pair Left Right N/O/S DT1-T13A803-AD

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Part no. 1383391080

Peugeot Boxer Citroen Jumper Horn Signal Low Tone Pitch Fanfare 1383391080

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Part no. A0055426620-1

Horn Signal Mercedes W203 W219 W229 Fanfare High Tone Siren A0055426620

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Part no. A2535421700

Mercedes GLC X253 High Tone Horn Siren A2535421700

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Part no. A0075427020

Mercedes W212 Front Horn Signal Fanfare 420Hz Right O/S A0075427020

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Part no. 8J0951223A

Audi TT 8J Horn Signal Fanfare Signal High Low Tone Set 8J0951223A

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Part no. A0075427620

Horn Signal Mercedes W117 W176 W246 Fanfare Siren Left N/S A0075427620

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Part no. A2239005936

Mercedes CL C118 W177 Anti Theft Alarm Siren Horn Signal Fanfare A2239005936

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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. DOUBLE HORN 24V

Pneumatic Double Air Horn Dual Trumpet Air Horn Unit 24V

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Part no. 9243750

Alarm Siren BMW E60 E61 E65 E81 E87 E90 E91 E92 Horn Signal Anti Theft 9243750

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Part no. 6930052

BMW MINI Cooper R50 R53 Bracket Aternative Power Siren 6930052

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Part no. 8496203

BMW F70 F74 U06 U11 U10 High Tone Pitch Horn Signal Siren Fiamm 8496203

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Part no. 7404429

Horn Pitch BMW X3 G01 F97 X4 G02 F98 High Tone Signal Fanfare 7404429

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Part no. A046522

Horn Signal FIAMM Fanfare High Tone Horn Signal A046522 0055307

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Part no. CH2126

Renault Trafic 2 Horn Signal Fanfare Low Tone Pitch Siren CH2126

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Part no. a0075426020

Mercedes SLK R172 Horn Signal Right O/S Fanfare 400Hz A0075426020

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Part no. A0055426720

Mercedes S211 W211 Tone Horn Signal Woofer 420Hz Left N/S A0055426720

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Part no. A2045456740-2

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

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Part no. K8D2-13802-AA

Range Rover Evoque L551 Horn Alarm Siren Signal Left N/S K8D2-13802-AA

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Part no. 7H0951285C

Volkswagen Transporter T5 Siren Alarm Horn Signal Bracket Holder 7H0951285C

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Part no. A0065428320

Mercedes W221 Horn Signal Alarm Siren High Pitch Tone 520Hz Left N/S A0065428320

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Part no. DS7T-19G229-BB

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

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Part no. F1ET-13802-AC

Ford Focus Mk3 Horn Signal Low Tone Unit Assy With Bracket F1ET-13802-AC

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Part no. 7182133

Fanfare Horn BMW F01 F10 F12 Signal High Tone Pitch Siren 500Hz 7182133

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Part no. A2045456740-1

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

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Part no. 8T0951223A

Audi A4 B8 A5 8T Horn Sound Signal Fanfare High Tone Siren 8T0951223A

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Part no. A0005424204

Mercedes W166 Horn Warning Alarm Siren A0005424204

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Part no. 5A020F9

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

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Part no. A2038203826

Mercedes CLK W203 W209 Anti Theft Alarm Siren Horn Signal A2038203826

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Part no. A0065422720-1

Mercedes W245 Horn Signal Tweeter High Tone Fanfare Bosch 420Hz A0065422720

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Part no. 7356772-1

Mini Clubman F54 Horn Snail Signal Fanfare Siren 7356772

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Part no. A9065420020

Mercedes Sprinter W906 Horn Signal Fanfare Alarm Siren Pitch 500Hz A9065420020

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Part no. 7214931-1

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

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Part no. 99661823701-1

Porsche Boxster 986 Ani Theft Alarm Horn Siren Fanfare System 99661823701

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Part no. 0986320111

Renault Trafic Horn Signal Alarm Siren Tone 0986320111

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Part no. 5Q0951223E

Audi S3 8V Horn Sound Signal Fanfare Alarm Low Tone Siren 5Q0951223E

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Part no. A0055427920

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

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Part no. 6R0951181C

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

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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. 20857424

Vauxhall Insignia A Twin Double Horn Signal Fanfare Pitch Assembly 20857424

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Part no. A2075421720

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

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Part no. A4615420020

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

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Part no. 6C1T13802AA

Ford Transit Horn Signal Fanfare Siren Pitch 6C1T13802AA

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Part no. 8052114-1

BMW F20 F21 High Low Pitch Tone Horn Siren Signal Alarm Fanfare Set 8052114

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Part no. 256105748R

Renault Trafic III Vauxhall Vivaro B Horn Sound Signal Fanfare Siren 256105748R

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Part no. 6G9N19G229CG

Ford Transit Mk7 Anti Theft Alarm Siren Horn Signal System 6G9N19G229CG

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Part no. 7394075

Horn Mini F60 Countryman Horn High Pitch Tone Signal Fanfare 7394075

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Part no. A0065421220

Mercedes W169 W202 W203 W220 Horn Signal Fanfare A0065421220

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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. 8492761

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

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Part no. A9065400076

Mercedes-Benz Sprinter W906 Horn Signal Fanfare A9065400076

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Part no. 4S5365ACA-06

Ford Transit Custom MK8 Horn Signal Fanfare Alarm Siren Pitch 4S5365ACA-06

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Part no. 7P5951185C

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

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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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Part no. YEB500120

Range Rover Sport L320 Alarm Horn Signal Siren High Pitch YEB500120

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Part no. GK2T-13A803-AC

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

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Part no. A0065421220-3

Mercedes W169 W202 W203 W220 Horn Signal Fanfare A0065421220

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Part no. M8A2-13802-AB

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

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Part no. 7P5951183E

Porsche Cayenne Horn Fanfare Signal Siren Low Tone Pitch 7P5951183E

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Part no. A2055420820

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

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Part no. 7356772

Mini Clubman F54 Horn Signal Siren 7356772

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Part no. 3DD951221A-1

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

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Part no. N1WT-13A803-AC

VW Volkswagen Amarok Mk2 Horn Signal Sirene Fanfare N1WT-13A803-AC

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Part no. 6Q0951223H

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

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Part no. N1WT-19N217-AB

VW Amarok NF Alarm System Siren Anti Theft Signal Horn N1WT-19N217-AB

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