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Details
| Specification | Value |
|---|---|
| Brand | AS-PL |
| MPN | ap3008 |
| Quality | STANDARD LINE |
| Outer Diameter 1 [mm] | 53.40 mm |
| Inner Diameter 1 [mm] | 17.00 mm |
| Inner Diameter 2 [mm] | 36.00 mm |
OE/OEM numbers (3)
Search by this OE number to find compatible parts
- BMW—12312247390
- BMW—12317787251
- BMW—12317789982
Where this part fits
Original-fit position for OE 12317787251. The red ring marks where this part installs on the vehicle.
About this product
AS-PL Belt Pulley Alternator (AP3008) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Quality: STANDARD LINE, Outer Diameter 1 [mm]: 53, 40 mm, Inner Diameter 1 [mm]: Fibreglass, 00 mm, Inner Diameter 2 [mm]: 36, 00 mm, Number of grooves: Rubber — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 12312247390, 12317787251, 12317789982, 231857 and 41 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AS-PL is a recognised supplier of automotive engine timing 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 (42)
Show all 42 OE numbers
Belt Pulley Alternator AS-PL AP3008 — compatible car models
| Manufacturer article number (MPN) | AP3008 |
|---|---|
| OE part numbers | 12312247390, 12317787251, 12317789982 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AS-PL ap3008 Brand new AS-PL. Inner Diameter 1 [mm]: 17,00 mm. Inner Diameter 2 [mm]: 36,00 mm. Number of grooves: 5. Outer Diameter 1 [mm]: 53,40 mm. Quality: STANDARD LINE
- 1x Belt Pulley 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 Belt Pulley 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 Belt Pulley Alternator fits. All fitment data is verified through TecDoc.
What specifications does this AS-PL Belt Pulley Alternator have?
This AS-PL Belt Pulley Alternator has the following specifications: Quality: STANDARD LINE; Outer Diameter 1 [mm]: 53,40 mm; Inner Diameter 1 [mm]: 17,00 mm; Inner Diameter 2 [mm]: 36,00 mm; Number of grooves: 5. Check the full specifications table above for complete details.
What OE part numbers does this Belt Pulley Alternator replace?
This Belt Pulley Alternator replaces OE part numbers: 12312247390, 12317787251, 12317789982. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Belt Pulley Alternator cost?
This AS-PL Belt Pulley Alternator is available for £8.99. Belt Pulley 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 Belt Pulley Alternator?
Regular inspection of your Belt Pulley 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 Belt Pulley 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 Belt Pulley Alternator fitted by a professional mechanic.
Can I use this part as a replacement for OE 12312247390?
Yes, this AS-PL Belt Pulley Alternator is a direct replacement for OE part number 12312247390. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
