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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Volkswagen VW Golf MK 6 Horn Signal Fanfare Siren 1K0951182H

PLN 46.95

Delivery: Nov 16

If paid before 14:00

Part no. A0055428020

Mercedes CLK W209 Horn Signal Fanfare Low Tone Siren Pitch A0055428020

PLN 94.95

Free delivery: Nov 16

If paid before 14:00

Part no. A0045427720

Mercedes W203 Horn Signal Fanfare Siren Alarm A0045427720

PLN 80.95

Free delivery: Nov 16

If paid before 14:00

Part no. 8495327

Mini Cooper F55 F56 High Tone Pitch Horn Signal Siren Fanfares 8492675

PLN 118.95

Free delivery: Nov 16

If paid before 14:00

Part no. 8X0951230C

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

PLN 66.95

Free delivery: Nov 16

If paid before 14:00

Part no. A0075421220

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

PLN 85.95

Free delivery: Nov 16

If paid before 14:00

Part no. 7192035

BMW 1 Series E87 Horn Low Pitch Tone Fanfare 7171749

PLN 46.95

Delivery: Nov 16

If paid before 14:00

Part no. A0075427020-1

Horn Signal Mercedes W204 W212 Fanfare 420Hz Horn Signal Siren A0075427020

PLN 142.95

Free delivery: Nov 16

If paid before 14:00

Part no. A0065422720-1

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

PLN 61.95

Free delivery: Nov 16

If paid before 14:00

Part no. A4155420500

Mercedes W415 Citan Horn Signal Fanfare A4155420500 256105952

PLN 94.95

Free delivery: Nov 16

If paid before 14:00

Part no. A2135422700

Horn Signal Mercedes W213 C238 Alarm Siren Low Tone A2135422700

PLN 265.95

Free delivery: Nov 16

If paid before 14:00

Part no. A2097500083

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

PLN 75.95

Free delivery: Nov 16

If paid before 14:00

Part no. 7850336

Signal Horn BMW F22 F23 High Pitch Tone Fanfare 7850336

PLN 142.95

Free delivery: Nov 16

If paid before 14:00

Part no. A0065424420-1

Mercedes W245 Horn Signal Low Tone Fanfare Bosch 500Hz A0065424420

PLN 61.95

Free delivery: Nov 16

If paid before 14:00

Part no. 8U0951210

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

PLN 180.95

Free delivery: Nov 16

If paid before 14:00

Part no. A0065428920

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

PLN 118.95

Free delivery: Nov 16

If paid before 14:00

Part no. A2215458140

Mercedes W221 Anti-Theft Alarm Bracket Siren Horn Signal Holder A2215458140

PLN 66.95

Free delivery: Nov 16

If paid before 14:00

Part no. A0055425820

Mercedes W164 Horn Signal Low Tone Pitch Fanfare Left N/S A0055425820

PLN 61.95

Free delivery: Nov 16

If paid before 14:00

Part no. 4E0951221B

Audi A8 S8 D3 Low Tone Horn Signal Siren 4E0951221B

PLN 75.95

Free delivery: Nov 16

If paid before 14:00

Part no. 7356772

Mini Clubman F54 Horn Signal Siren 7356772

PLN 94.95

Free delivery: Nov 16

If paid before 14:00

Part no. 7248685

BMW F07 GT Horn Signal Pitch Fanfare Alarm Siren 7248685

PLN 113.95

Free delivery: Nov 16

If paid before 14:00

Part no. 7400706

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

PLN 94.95

Free delivery: Nov 16

If paid before 14:00

Part no. 4E0951223B

Audi A8 S8 D3 High Tone Horn Signal Siren 4E0951223B

PLN 66.95

Free delivery: Nov 16

If paid before 14:00

Part no. 8T0951223A

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

PLN 56.95

Delivery: Nov 16

If paid before 14:00

Part no. 9493759

BMW F10 F11 F20 F30 Alternative Power Siren Inclination Indicat Alarm 9493759

Product currently unavailable

Part no. 7401574

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

Product currently unavailable

Part no. A0065427420

Mercedes-Benz Sprinter Vito W638 W639 W901 Horn Signal Fanfare A0065427420

Product currently unavailable

Part no. 5Q0951221A

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

Product currently unavailable

Part no. 8W0951223

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

Product currently unavailable

Part no. A9075404905

Mercedes Sprinter W907 W910 Horn Signal Fanfare Siren A9065400076

Product currently unavailable

Part no. 8492761

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

Product currently unavailable

Part no. A2055421420

Horn Mercedes W205 Low Tone 420Hz Horn Signal Warning Alarm Siren A2055421420

Product currently unavailable

Part no. 6948392

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

Product currently unavailable

Part no. A2035420220

Mercedes W169 W203 Low Tone Horn Signal Fanfare A2035420220

Product currently unavailable

Part no. 8495329

Mini F60 Countryman Horn High Pitch Tone Signal Fanfare 8495329

Product currently unavailable

Part no. A0055422520

Mercedes S211 W211 Front Horn Signal Fanfare Tone 420Hz A0055422520

Product currently unavailable

Part no. 7401573-2

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

Product currently unavailable

Part no. A2215420020

Horn Signal Mercedes W212 E63 AMG Fanfare Low Tone Horn Signal Siren A2215420020

Product currently unavailable

Part no. 6G9N-19G229-DG

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

Product currently unavailable

Part no. A2055421520

Mercedes W205 Horn Signal Alarm Siren High Tone 510Hz A2055421520

Product currently unavailable

Part no. 5Q0951223F

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

Product currently unavailable

Part no. 5Q0951223

VW Volkswagen Golf Mk7 Seat Leon Mk3 Horn Signal Alarm Siren High Tone 5Q0951223

Product currently unavailable

Part no. A2475403306

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

Product currently unavailable

Part no. 7332594

BMW F45 F46 Fanfare Horn Low Tone Pitch Signal 7332594

Product currently unavailable

Part no. A2218208526

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

Product currently unavailable

Part no. A0045429120

Mercedes-Benz E-Class S211 W211 Low Tone Horn Signal Woofer Fanfare A0045429120

Product currently unavailable

Part no. Alarm-Set

Alarm Siren Set Signal Security Safety Protection Kit Sensor Modules Mount

Product currently unavailable

Part no. A0005401910

Horn Signal Mercedes W117 W176 W246 Fanfare Siren Left N/S A0005406003

Product currently unavailable

Part no. A0055427920

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

Product currently unavailable

Part no. 256105748R

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

Product currently unavailable

Part no. 4H0907601C

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

Product currently unavailable

Part no. A0065420820

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

Product currently unavailable

Part no. 7492206

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

Product currently unavailable

Part no. A2055420820

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

Product currently unavailable

Part no. 7214930

Horn High BMW F40 F44 Horn Fanfare Pitch Tone Signal 7214930

Product currently unavailable

Part no. A2475403206

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

Product currently unavailable

Part no. A0045428720

Horn Mercedes W210 Horn Signal Fanfare Low Tone 400Hz A0045428720

Product currently unavailable

Part no. 8T0951221A

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

Product currently unavailable

Part no. A0048201826

Mercedes W169 Alarm Siren Trumpet Horn Signal A0048201826

Product currently unavailable

Part no. 600951223B

Volkswagen VW Polo 9N Horn Signal Fanfare Siren 600951223B

Product currently unavailable

Part no. 6977755

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

Product currently unavailable

Part no. 8052114

Low Tone Horn BMW F20 F21 LCI Signal Fanfares 8052114 61338052114

Product currently unavailable

Part no. 7410917

BMW X1 F48 X2 F39 Horn Low Pitch Tone Signal 7410917

Product currently unavailable

Part no. A0005406103

Horn Mercedes W176 W246 Fanfare Pitch Electronic Module Unit A0005406103

Product currently unavailable

Part no. A0065429820

Mercedes W176 W246 Horn Signal Fanfare Front Left Horn Signal A0065429820

Product currently unavailable

Part no. 7L0951221

Volkswagen Touareg 7L Horn Sound Signal Fanfare Alarm Low Tone Siren 6N0951221

Product currently unavailable

Part no. 8L0951605A

Audi A4 B7 Alarm System Siren Anti-Theft Horn Signal 8L0951605A

Product currently unavailable

Part no. 2K5951221A

Audi Q2 GA Fanfare Horn Signal Low Tone 2K5951221A

Product currently unavailable

Part no. A0005405500

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

Product currently unavailable

Part no. A0045429220

Mercedes S211 W211 High Tone Horn Signal Tweeter Fanfare A0045429220

Product currently unavailable

Part no. 8P0951229

Horn Signal Audi A3 8P Fanfare High Tone Pitch Siren 8P0951229

Product currently unavailable

Part no. AV6N-19G229-AE

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

Product currently unavailable

Part no. 7835736

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

Product currently unavailable

Part no. 8V2T13802AB

Ford Fiesta MK7 Horn Signal Fanfare Alarm 8V2T13802AB

Product currently unavailable

Part no. 4F0951229-1

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

Product currently unavailable

Part no. 1371440080

Fanfare Horn Citroen Relay Peugeot Boxer Signal Low Tone Pitch 1371440080

Product currently unavailable

Part no. 7400705

Horn Signal BMW F22 F30 F31 F36 LCI High Tone Pitch Siren Fanfare 7400705

Product currently unavailable

Part no. A9065400076-1

Mercedes Sprinter W906 Horn Signal Fanfare Siren A9065400076

Product currently unavailable

Part no. 7248686

BMW F07 GT Horn Signal Pitch Fanfare Alarm Siren 7248686

Product currently unavailable

Part no. 8P0951230

Audi A3 8P Horn Signal Fanfare High Pitch Tone 8P0951230

Product currently unavailable

Part no. 6236E3

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

Product currently unavailable

Part no. 8H22-13801-AA

Land Rover Discovery 3 L319 High Tone Pitch Signal Horn Fanfare 8H22-13801-AA

Product currently unavailable

Part no. 9802888080

Horn Signal Citroen Berlingo Peugeot Partner Fanfare Alarm 9802888080

Product currently unavailable

Part no. A0065421220-1

Mercedes W169 W202 W203 W220 Horn Signal Fanfare A0065421220

Product currently unavailable

Part no. A0065421520

Mercedes W204 W212 Horn Signal Fanfare A0065421520

Product currently unavailable

Part no. A046522

Horn Signal FIAMM Fanfare High Tone Horn Signal A046522 0055307

Product currently unavailable

Part no. 8495328

Mini F60 Countryman Horn Low Pitch Tone Signal Fanfare 8495328

Product currently unavailable

Part no. H1BT-19N217-AB

Ford Fiesta Mk8 Puma Alarm Siren Horn Signal Module Assy H1BT-19N217-AB

Product currently unavailable

Part no. 2694304-1

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

Product currently unavailable

Part no. AV1T-13A803-AC-1

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

Product currently unavailable

Part no. DS7T-19N217-AA

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

Product currently unavailable

Part no. M8A2-13801-AA

Range Rover Velar L560 Electric Horn Signal Left N/S M8A2-13801-AA

Product currently unavailable

Part no. BK2T13802AB

Ford Transit Custom Horn Signal Fanfare Siren Pitch BK2T-13802-AB

Product currently unavailable

Part no. A0065421620

Horn Signal Mercedes W204 W212 Fanfare High Tone Siren Pitch A0065421620

Product currently unavailable

Part no. 8E0961223A

Audi A4 B7 Horn Sound Signal Fanfare Siren 8E0961223A

Product currently unavailable

Part no. 1367165080-1

Peugeot Boxer Citroen Berlingo Relay Fiat Ducato Alarm Siren Signal 1367165080

Product currently unavailable

Part no. H1BT-13A803-BC

Ford Fiesta St Mk8 Double Horn Signal Low High Tone Pitch Set H1BT-13A803-BC

Product currently unavailable

Part no. 7P5951183E

Porsche Cayenne Horn Fanfare Signal Siren Low Tone Pitch 7P5951183E

Product currently unavailable

Part no. A9068200085

Mercedes Sprinter W906 Horn Signal Fanfare Alarm Siren Pitch A9068200085

Product currently unavailable

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