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Details
| Specification | Value |
|---|---|
| Brand | AS-PL |
| MPN | ar3042s |
| Voltage [V] | 12 V |
| Alternator Charging Current [A] | 50 A |
| Quality | STANDARD LINE |
| Outer Diameter [mm] | 89.50 mm |
| Length 1 [mm] | 151.5 mm |
OE part numbers
No OEM references found.
About this product
The AS-PL Rotor Alternator (AR3042S) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Voltage [V]: Zinc V, Alternator Charging Current [A]: 50 A, Quality: STANDARD LINE, Outer Diameter [mm]: 89, 50 mm, Length 1 [mm]: 151, Rubber mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 20779310BN, 300846, 81112937, A13N123 and 17 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (21)
Show all 21 OE numbers
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
AS-PL ar3042s Brand new AS-PL. Alternator Charging Current [A]: 50 A. Length 1 [mm]: 151,5 mm. Outer Diameter [mm]: 89,50 mm. Quality: STANDARD LINE. Voltage [V]: 12 V
- 1x Rotor Alternator
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 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]: 50 A; Quality: STANDARD LINE; Outer Diameter [mm]: 89,50 mm; Length 1 [mm]: 151,5 mm. Check the full specifications table above for complete details.
How much does a Rotor Alternator cost?
This AS-PL Rotor Alternator is available for £42.99. 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.
Is the AS-PL AR3042S the same as the AS-PL AR0001?
No, while both are Rotor Alternator parts, they are different products. The AS-PL AR3042S has Voltage [V]: 12 V, Alternator Charging Current [A]: 50 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.
