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Details
| Specification | Value |
|---|---|
| Brand | BOSCH |
| MPN | 0986ah0502 |
| Voltage [V] | 12 V |
| Length [mm] | 92 mm |
| Width [mm] | 57 mm |
| Height [mm] | 123.6 mm |
| Bore Diameter [mm] | 8.7 mm |
| Operating Mode | EP |
| 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 34 20
- MERCEDES-BENZ—004 542 36 20
- AUDI / VW—191951223
- SEAT / SKODA / VW—3B0951223
- MERCEDES-BENZ—A 004 542 34 20
- MERCEDES-BENZ—A 004 542 36 20
Where this part fits
Original-fit position for OE A0045423620. The red ring marks where this part installs on the vehicle.
About this product
The BOSCH Trumpet Horn (0 986 AH0 502) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Voltage [V]: Zinc V, Length [mm]: 92 mm, Width [mm]: 57 mm, Height [mm]: 123, Plastic mm, Bore Diameter [mm]: Carbon, Ceramic mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. 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 34 20, 004 542 36 20, 10770918, 191951223 and 4 more. Matching these numbers confirms a like-for-like replacement with no loss of function. BOSCH 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.
About BOSCH
Robert Bosch GmbH, founded in 1886 in Stuttgart, Germany, is one of the world's largest automotive parts suppliers. Bosch specialises in braking systems, fuel injection, spark plugs, alternators, and electronic engine management. As an OE supplier to virtually every major car manufacturer, Bosch parts meet or exceed original equipment specifications. With over 130 years of engineering innovation, choosing Bosch means choosing proven reliability backed by extensive research and development.
Suitable cars
Equivalent products (2)
Trumpet Horn BOSCH 0 986 AH0 502 — compatible car models
| Car models | AUDI: A3 (8L1); MERCEDES-BENZ: 124 Convertible (A124), 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 (S124), E-CLASS T-Model (S210), E-CLASS T-Model (S211) (+2 more); SEAT: ALHAMBRA (7V8, 7V9), ALHAMBRA VAN (7V8, 7V9), LEON (1M1), TOLEDO II (1M2); VW: BORA (9M2), BORA I (1J2), BORA Variant (1J6), CADDY Box Body/MPV (6K9, 9E7, 9E9), CADDY II Box Body/MPV (9K9A), CADDY III MPV (2KB, 2KJ, 2CB, 2CJ), CADDY II MPV (9K9B), CADDY MPV (6K9, 9E7, 9E9), CALIFORNIA T4 Camper (7DJ, 7DK, 70J), GOLF II (19E, 1G1) (+3 more) |
|---|---|
| Engines | S3 quattro; 320 CE (124.066); 250 T D (124.185); C 180 T (202.078); C 200 (202.020); E 220 (124.062); E 220 (124.042); E 220 CDi (210.606); E 200 T (124.079); E 200 T (210.235); E 320 T 4-matic (211.282); E 200 (124.019); E 200 CDI (210.007); 1.8 T 20V; 1.9 TDI (+10 more) |
| Year of manufacture | 1983-2016 |
| Manufacturer article number (MPN) | 0 986 AH0 502 |
| OE part numbers | 004 542 34 20, 004 542 36 20, 191951223, 3B0951223, A 004 542 34 20, A 004 542 36 20 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
BOSCH 0986ah0502 . Bore Diameter [mm]: 8,7 mm. Connector/Clamp: 34. Height [mm]: 123,6 mm. Length [mm]: 92 mm. Operating Mode: EP. Power Consumption [W]: 60 W. Sound Level [dB(A)]: 110 dB(A). Supplementary Article/Info 2: 709
- 1x Trumpet 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 Trumpet Horn compatible with my car?
This Trumpet 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 BOSCH Trumpet Horn have?
This BOSCH Trumpet Horn has the following specifications: Voltage [V]: 12 V; Length [mm]: 92 mm; Width [mm]: 57 mm; Height [mm]: 123,6 mm; Bore Diameter [mm]: 8,7 mm; Operating Mode: EP. Check the full specifications table above for complete details.
What OE part numbers does this Trumpet Horn replace?
This Trumpet Horn replaces OE part numbers: 004 542 34 20, 004 542 36 20, 191951223, 3B0951223, A 004 542 34 20, A 004 542 36 20. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Trumpet Horn cost?
This BOSCH Trumpet Horn is available for £14.99. Trumpet Horn prices vary depending on brand, specifications, and vehicle compatibility. BOSCH parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Trumpet Horn?
Regular inspection of your Trumpet 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 Trumpet 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 Trumpet Horn fitted by a professional mechanic.
Can I use this part as a replacement for OE 004 542 34 20?
Yes, this BOSCH Trumpet Horn is a direct replacement for OE part number 004 542 34 20. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the BOSCH 0 986 AH0 502 the same as the BOSCH 0 328 006 002?
No, while both are Trumpet Horn parts, they are different products. The BOSCH 0 986 AH0 502 has Voltage [V]: 12 V, Length [mm]: 92 mm, Width [mm]: 57 mm. The BOSCH 0 328 006 002 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
