Shop 81 horn from 3 trusted brands including HELLA, VALEO, HERTH+BUSS ELPARTS. Compare prices, check vehicle compatibility, and get free delivery on orders over £99.
The vehicle horn is a safety device that alerts other road users to your presence. A non-functioning horn is an MOT failure and a road safety hazard. Horn failures are usually electrical — the relay, fuse, wiring, or horn unit itself can be at fault. Replacement is straightforward and inexpensive.
Horn problems are usually simple to diagnose. The circuit consists of a fuse, relay, horn button (on the steering wheel), wiring, and the horn unit itself.
The horn is usually mounted behind the front bumper or grille. Access varies by vehicle.
Commonly searched OE numbers fitting Horn from the TecDoc catalogue.