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Details
| Specification | Value |
|---|---|
| Brand | BOSCH |
OE/OEM numbers (9)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—002 154 31 06
- MERCEDES-BENZ—002 154 79 06
- MERCEDES-BENZ—003 154 31 06
- VW—034903803
- BMW—12 31 1 726 022
- PORSCHE—964 603 141 00
- MERCEDES-BENZ—A 002 154 31 06
- MERCEDES-BENZ—A 002 154 79 06
- MERCEDES-BENZ—A 003 154 31 06
Where this part fits
Original-fit position for OE 0031543106. The red ring marks where this part installs on the vehicle.
About this product
The BOSCH Alternator Regulator (1 987 237 059) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. This part supersedes original equipment references: 002 154 31 06, 002 154 79 06, 003 154 31 06, 034903803 and 16 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 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.Equivalent products (11)
Alternator Regulator BOSCH 1 987 237 059 — compatible car models
| Manufacturer article number (MPN) | 1 987 237 059 |
|---|---|
| OE part numbers | 002 154 31 06, 002 154 79 06, 003 154 31 06, 034903803, 12 31 1 726 022, 964 603 141 00, A 002 154 31 06, A 002 154 79 06, A 003 154 31 06 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
BOSCH 1987237059 . 1 987 237 059
- 1x Alternator Regulator
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 Alternator Regulator 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 Alternator Regulator fits. All fitment data is verified through TecDoc.
What specifications does this BOSCH Alternator Regulator have?
The package includes the Alternator Regulator 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 Alternator Regulator replace?
This Alternator Regulator replaces OE part numbers: 002 154 31 06, 002 154 79 06, 003 154 31 06, 034903803, 12 31 1 726 022, 964 603 141 00, A 002 154 31 06, A 002 154 79 06 and 1 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Alternator Regulator cost?
This BOSCH Alternator Regulator is available for £37.99. Alternator Regulator 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 Alternator Regulator?
Regular inspection of your Alternator Regulator 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 Alternator Regulator?
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 Alternator Regulator fitted by a professional mechanic.
Can I use this part as a replacement for OE 002 154 31 06?
Yes, this BOSCH Alternator Regulator is a direct replacement for OE part number 002 154 31 06. 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 1 987 237 059 the same as the BOSCH 0 272 220 734?
No, while both are Alternator Regulator parts, they are different products. The BOSCH 1 987 237 059 has specific dimensions, material composition, and fitting requirements. The BOSCH 0 272 220 734 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.
