- 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 |
| Manufacturer Restriction | Valeo Motorola |
| Operating voltage [V] | 14.5 V |
OE numbers (41)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—002 154 9106
- MERCEDES-BENZ—003 154 0106
- MERCEDES-BENZ—003 154 0306
- MERCEDES-BENZ—003 154 0906
- AUDI / SEAT / SKODA / VAG / VW—028 903 803F
- AUDI / SEAT / SKODA / VAG / VW—030 903 023AA
- AUDI / SEAT / SKODA / VAG / VW—030 903 023E
- AUDI / SEAT / SKODA / VAG / VW—030 903 023EV
- AUDI / SEAT / SKODA / VAG / VW—030 903 023EX
- AUDI / SEAT / SKODA / VAG / VW—030 903 023FV
- AUDI / SEAT / SKODA / VAG / VW—030 903 023FX
- SEAT / SKODA / VAG / VW—030 903 023GV
- AUDI / SEAT / SKODA / VAG / VW—030 903 023GX
- AUDI / SEAT / SKODA / VAG / VW—030 903 023QV
- AUDI / SEAT / SKODA / VAG / VW—030 903 023QX
- AUDI / SEAT / SKODA / VAG / VW—037 903 023A
- AUDI / SEAT / SKODA / VAG / VW—050 903 017H
- AUDI / SEAT / SKODA / VAG / VW—078 903 803A
- AUDI / SEAT / SKODA / VAG / VW—078 903 803B
- FIAT—0994 7479
- FIAT—0994 7704
- OPEL—12 04 272
- BMW—1231 1 437 340
- BMW—1231 1 735 788
- BMW—1231 1 739 435
- BMW—1231 2 243 561
- BMW—1231 2 244 342
- BMW—1231 2 244 626
- BMW—1251 1 437 734
- HITACHI—130696
- HITACHI—2500696
- CITROËN / PEUGEOT—5761.87
- CITROËN / PEUGEOT—5761.90
- CITROËN / PEUGEOT—5761.91
- OPEL—90 509 438
- FIAT—994 7479
- FIAT—994 7704
- MERCEDES-BENZ—A002 154 9106
- MERCEDES-BENZ—A003 154 0106
- MERCEDES-BENZ—A003 154 0306
- MERCEDES-BENZ—A003 154 0906
Where this part fits
Original-fit position for OE 037903023A. The red ring marks where this part installs on the vehicle.

About this product
AIC Alternator Regulator (56203) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Manufacturer Restriction: Valeo Motorola, Operating voltage [V]: Nylon, Rubber V — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with ALFA ROMEO, AUDI, BMW, CITROËN and 15 other makes vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 002 154 9106, 003 154 0106, 003 154 0306, 003 154 0906 and 84 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 (50)
Show all 50 OE numbers
Alternator Regulator AIC 56203 — compatible car models
| Car models | ALFA ROMEO: 145 (930), 146 (930); AUDI: 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 80 B4 Avant (8C5), 80 B4 Saloon (8C2), A3 (8L1), A4 B5 (8D2), A4 B5 Avant (8D5), A6 C4 (4A2), A6 C4 Avant (4A5), A6 C5 (4B2, 4B4) (+3 more); BMW: 3 Compact (E36), 3 Convertible (E36), 3 Coupe (E36), 3 (E30), 3 (E36), 3 Touring (E36), 5 (E34), 5 Touring (E34), 7 (E32), Z3 Coupe (E36) (+1 more); CITROËN: AX (ZA-), BERLINGO / BERLINGO FIRST Box Body/MPV (M), BERLINGO / BERLINGO FIRST MPV (MF, GJK, GFK), BX Break (XB-) |
|---|---|
| Engines | 1.4 i.e. (930.A3); 1.4 i.e. (930.B3); 2.3 E; 1.9 TD; 1.6; 1.8; 2.6; 316 i; 318 i; 318 is; 518 i; 518 g; 730 i, iL; M; 1.8 i (+4 more) |
| Year of manufacture | 1982-2011 |
| Manufacturer article number (MPN) | 56203 |
| OE part numbers | 002 154 9106, 003 154 0106, 003 154 0306, 003 154 0906, 028 903 803F, 030 903 023AA, 030 903 023E, 030 903 023EV, 030 903 023EX, 030 903 023FV, 030 903 023FX, 030 903 023GV, 030 903 023GX, 030 903 023QV, 030 903 023QX, 037 903 023A, 050 903 017H, 078 903 803A, 078 903 803B, 0994 7479 (+21 more) |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AIC 56203 NEW MOBILITY PARTS. Manufacturer Restriction: Valeo Motorola. Operating voltage [V]: 14,5 V
- 1x Alternator Regulator
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 Alternator Regulator compatible with my car?
This Alternator Regulator fits ALFA ROMEO, AUDI, BMW, CITROËN, FIAT and 14 more 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 Alternator Regulator have?
This AIC Alternator Regulator has the following specifications: Manufacturer Restriction: Valeo Motorola; Operating voltage [V]: 14,5 V. Check the full specifications table above for complete details.
What OE part numbers does this Alternator Regulator replace?
This Alternator Regulator replaces OE part numbers: 002 154 9106, 003 154 0106, 003 154 0306, 003 154 0906, 028 903 803F, 030 903 023AA, 030 903 023E, 030 903 023EV and 33 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Alternator Regulator cost?
This AIC Alternator Regulator is available for £18.99. Alternator Regulator 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 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 9106?
Yes, this AIC Alternator Regulator is a direct replacement for OE part number 002 154 9106. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.