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Details
| Specification | Value |
|---|---|
| Brand | BOSCH |
| MPN | f000bl1638 |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- VW—04C903193
Where this part fits
Original-fit position for OE 04C903193. The red ring marks where this part installs on the vehicle.
About this product
Sourced from BOSCH, this protective cap alternator (F 000 BL1 638) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. This part supersedes original equipment references: 04C903193. 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 from our UK warehouse with a 30-day money-back guarantee and free 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
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.No equivalent parts found.
Protective Cap Alternator BOSCH F 000 BL1 638 — compatible car models
| Manufacturer article number (MPN) | F 000 BL1 638 |
|---|---|
| OE part numbers | 04C903193 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
BOSCH f000bl1638 . F 000 BL1 638
- 1x Protective Cap Alternator
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 Protective Cap Alternator compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Protective Cap Alternator fits. All fitment data is verified through TecDoc.
What specifications does this BOSCH Protective Cap Alternator have?
The package includes the Protective Cap Alternator as described in the specifications above. Check the "What's included" section for a full list of components. If mounting hardware or accessories are required, they will be listed separately.
What OE part numbers does this Protective Cap Alternator replace?
This Protective Cap Alternator replaces OE part numbers: 04C903193. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Protective Cap Alternator cost?
This BOSCH Protective Cap Alternator is available for £3.99. Protective Cap Alternator 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 Protective Cap Alternator?
Regular inspection of your Protective Cap Alternator 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 Protective Cap Alternator?
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 Protective Cap Alternator fitted by a professional mechanic.
Can I use this part as a replacement for OE 04C903193?
Yes, this BOSCH Protective Cap Alternator is a direct replacement for OE part number 04C903193. 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 F 000 BL1 638 the same as the BOSCH 3 130 558 000?
No, while both are Protective Cap Alternator parts, they are different products. The BOSCH F 000 BL1 638 has specific dimensions, material composition, and fitting requirements. The BOSCH 3 130 558 000 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.
