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Details
| Specification | Value |
|---|---|
| Brand | SIDAT |
| MPN | a12va0046as |
| Category | Power generator |
| Voltage [V] | 12 V |
| Alternator Charging Current [A] | 150 A |
| Belt Pulley Ø [mm] | 54 mm |
| Clamp | B+ M8 |
| Version | OE EQUIVALENT |
OE numbers (9)
Search by this OE number to find compatible parts
- BMW—12317790548
- BMW—12317795620
- BMW—12317797519
- BMW—12317797520
- BMW—12317799180
- BMW—12317799181
- BMW—12317802471
- BMW—12317802927
- BMW—12318517262
Where this part fits
Original-fit position for OE 12318517262. The red ring marks where this part installs on the vehicle.
About this product
When power generator performance matters, the SIDAT A12VA0046AS delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Voltage [V]: Zinc V, Alternator Charging Current [A]: 150 A, Belt Pulley Ø [mm]: 54 mm, Clamp: B+ M8, Version: OE EQUIVALENT. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with BMW 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: 063731904010, 0 986 080 580, 114720, 12317790548 and 66 more. Matching these numbers confirms a like-for-like replacement with no loss of function. SIDAT 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 (63)
Show all 63 OE numbers
Power generator SIDAT A12VA0046AS — compatible car models
| Car models | BMW: 1 (E87), 3 Convertible (E93), 3 Coupe (E92), 3 (E90), 3 Touring (E91) |
|---|---|
| Engines | 118 d; 325 d; 318 d |
| Year of manufacture | 2003-2013 |
| Manufacturer article number (MPN) | A12VA0046AS |
| OE part numbers | 12317790548, 12317795620, 12317797519, 12317797520, 12317799180, 12317799181, 12317802471, 12317802927, 12318517262 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
SIDAT a12va0046as ARMAN. Alternator Charging Current [A]: 150 A. Belt Pulley Ø [mm]: 54 mm. Clamp: B+ M8. Number of grooves: 6. Number of mounting bores: 4. Version: OE EQUIVALENT. Voltage [V]: 12 V
- 1x Power generator
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 Power generator compatible with my car?
This Power generator fits BMW 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 SIDAT Power generator have?
This SIDAT Power generator has the following specifications: Voltage [V]: 12 V; Alternator Charging Current [A]: 150 A; Belt Pulley Ø [mm]: 54 mm; Clamp: B+ M8; Version: OE EQUIVALENT; Number of mounting bores: 4. Check the full specifications table above for complete details.
What OE part numbers does this Power generator replace?
This Power generator replaces OE part numbers: 12317790548, 12317795620, 12317797519, 12317797520, 12317799180, 12317799181, 12317802471, 12317802927 and 1 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Power generator cost?
Power generator prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this SIDAT Power generator. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Power generator?
Watch for dimming headlights, warning light on dashboard, dead battery, strange noises from the engine, or electrical accessories malfunctioning.
What tools do I need to replace a Power generator?
Tools needed: socket set (8-17mm), spanner set, serpentine belt tool or breaker bar, multi-meter (for testing charge output), battery terminal clamp remover. Difficulty: Moderate DIY. Safety warning: Disconnect the battery negative terminal before starting. Never disconnect the alternator with the engine running -- voltage spikes will destroy ECU electronics.
Can I use this part as a replacement for OE 12317790548?
Yes, this SIDAT Power generator is a direct replacement for OE part number 12317790548. 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.
