- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | AIC |
| Voltage [V] | 12 V |
| Diameter [mm] | 95 mm |
| Operating Mode | EP |
| Number of pins | 2 -pin connector |
| Frequency Range [Hz] | 500 Hz |
| Power Consumption [W] | 60 W |
| Sound Level [dB(A)] | 110 dB(A) |
OE numbers (6)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—004 542 3420
- MERCEDES-BENZ—004 542 3620
- VAG / VW—191 951 223
- VAG / VW—3B0 951 223
- MERCEDES-BENZ—A004 542 3420
- MERCEDES-BENZ—A004 542 3620
Where this part fits
Original-fit position for OE A0045423620. The red ring marks where this part installs on the vehicle.
About this product
Sourced from AIC, this signal horn (50711) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Voltage [V]: Zinc V, Diameter [mm]: 95 mm, Operating Mode: EP, Number of pins: Aluminium -pin connector, Supplementary Article/Info 2: 393 — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, MERCEDES-BENZ, SEAT, VW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 004 542 3420, 004 542 3620, 01867, 0 986 AH0 502 and 8 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AIC is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Equivalent products (6)
Signal Horn AIC 50711 — compatible car models
| Car models | AUDI: A3 (8L1); MERCEDES-BENZ: 124 T-Model (S124), C-CLASS T-Model (S202), C-CLASS (W202), E-CLASS Convertible (A124), E-CLASS Coupe (C124), E-CLASS Platform/Chassis (VF210), E-CLASS T-Model (S210), E-CLASS T-Model (S211), E-CLASS (W124); SEAT: ALHAMBRA (7V8, 7V9), LEON (1M1), TOLEDO II (1M2); VW: BORA I (1J2), BORA Variant (1J6), CADDY II Box Body/MPV (9K9A), CADDY II MPV (9K9B), GOLF II (19E, 1G1), GOLF III (1H1), GOLF IV (1J1), GOLF IV Variant (1J5), POLO III CLASSIC (6V2), POLO Van Estate Van (6V5) (+5 more) |
|---|---|
| Engines | S3 quattro; 250 T D (124.185); C 180 T (202.078); C 200 (202.020); E 220 (124.062); E 200 (124.040); E 250 d (210.610); E 200 T (210.235); E 320 T 4-matic (211.282); E 200 (124.019); 1.8 T 20V; 1.9 TDI; 1.4 16V; 1.6; 1.9 D (+5 more) |
| Year of manufacture | 1983-2013 |
| Manufacturer article number (MPN) | 50711 |
| OE part numbers | 004 542 3420, 004 542 3620, 191 951 223, 3B0 951 223, A004 542 3420, A004 542 3620 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AIC 50711 Original AIC Quality. Diameter [mm]: 95 mm. Frequency Range [Hz]: 500 Hz. Housing Colour: 7. Number of pins: 2 -pin connector. Operating Mode: EP. Plug Type: 5. Power Consumption [W]: 60 W. Sound Level [dB(A)]: 110 dB(A)
- 1x Signal Horn
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Signal Horn compatible with my car?
This Signal Horn fits AUDI, MERCEDES-BENZ, SEAT, VW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this AIC Signal Horn have?
This AIC Signal Horn has the following specifications: Voltage [V]: 12 V; Diameter [mm]: 95 mm; Operating Mode: EP; Number of pins: 2 -pin connector; Supplementary Article/Info 2: 393; Housing Colour: 7. Check the full specifications table above for complete details.
What OE part numbers does this Signal Horn replace?
This Signal Horn replaces OE part numbers: 004 542 3420, 004 542 3620, 191 951 223, 3B0 951 223, A004 542 3420, A004 542 3620. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Signal Horn cost?
This AIC Signal Horn is available for £15.99. Signal Horn prices vary depending on brand, specifications, and vehicle compatibility. AIC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Signal Horn?
Regular inspection of your Signal Horn is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Signal Horn?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Signal Horn fitted by a professional mechanic.
Can I use this part as a replacement for OE 004 542 3420?
Yes, this AIC Signal Horn is a direct replacement for OE part number 004 542 3420. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
