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Details
| Specification | Value |
|---|---|
| Brand | AS-PL |
| MPN | ar0021 |
| Voltage [V] | 12 V |
| Alternator Charging Current [A] | 120 A |
| Quality | STANDARD LINE |
| Outer Diameter [mm] | 103.40 mm |
| Length 1 [mm] | 160.4 mm |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- VW—028903213H
- VW—028903213N
About this product
Sourced from AS-PL, this rotor alternator (AR0021) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Voltage [V]: Zinc V, Alternator Charging Current [A]: 120 A, Quality: STANDARD LINE, Outer Diameter [mm]: 103, 40 mm, Length 1 [mm]: 160, Copper mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 0123500008, 0123505001, 0123505002, 0123505003 and 56 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AS-PL 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.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (58)
Show all 58 OE numbers
Rotor Alternator AS-PL AR0021 — compatible car models
| Manufacturer article number (MPN) | AR0021 |
|---|---|
| OE part numbers | 028903213H, 028903213N |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AS-PL ar0021 Brand new AS-PL. Alternator Charging Current [A]: 120 A. Length 1 [mm]: 160,4 mm. Outer Diameter [mm]: 103,40 mm. Quality: STANDARD LINE. Voltage [V]: 12 V
- 1x Rotor 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 Rotor 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 Rotor Alternator fits. All fitment data is verified through TecDoc.
What specifications does this AS-PL Rotor Alternator have?
This AS-PL Rotor Alternator has the following specifications: Voltage [V]: 12 V; Alternator Charging Current [A]: 120 A; Quality: STANDARD LINE; Outer Diameter [mm]: 103,40 mm; Length 1 [mm]: 160,4 mm. Check the full specifications table above for complete details.
What OE part numbers does this Rotor Alternator replace?
This Rotor Alternator replaces OE part numbers: 028903213H, 028903213N. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Rotor Alternator cost?
This AS-PL Rotor Alternator is available for £53.99. Rotor Alternator prices vary depending on brand, specifications, and vehicle compatibility. AS-PL parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Rotor Alternator?
Regular inspection of your Rotor 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 Rotor 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 Rotor Alternator fitted by a professional mechanic.
Can I use this part as a replacement for OE 028903213H?
Yes, this AS-PL Rotor Alternator is a direct replacement for OE part number 028903213H. 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 AS-PL AR0021 the same as the AS-PL AR0001?
No, while both are Rotor Alternator parts, they are different products. The AS-PL AR0021 has Voltage [V]: 12 V, Alternator Charging Current [A]: 120 A, Quality: STANDARD LINE. The AS-PL AR0001 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.
