It appears that you are describing a high-quality factory generator unidirectional belt pulley that is specifically designed for use in BMW Brilliance 3/5 and X1 series vehicles equipped with a 2.0L engine. The pulley you've mentioned, F-240139, along with the part numbers F-572716, F-576346, and 535015510, all likely refer to compatible or related components or specifications for this part.

In the automotive industry, it's important to use genuine or high-quality aftermarket parts to ensure proper fit, function, and reliability. A generator unidirectional belt pulley plays a critical role in the operation of the vehicle's charging system, typically connecting the alternator to the engine via a belt. This allows the alternator to spin and generate electricity to power the vehicle's electrical systems and recharge the battery.

When selecting a replacement pulley for your BMW Brilliance 3/5 or X1 series vehicle, it's important to ensure that the part is compatible with your specific model and engine configuration. In this case, the F-240139 pulley, along with the other part numbers mentioned, indicates that this is a suitable replacement for vehicles with a 2.0L engine.

Q1. How is quality ensured?

Our products are 100% QC tested, if the item has a non-human quality problem during the warranty period, we will provide an exchange warranty service for your specific item after proof.

Q2. Are you an auto parts manufacturer?

Our company is a manufacturer and a wholesaler, our company sells Korean Hyundai Kia Great Wall series auto parts

Q3. What is your Minimum Order Quality?

The platform rules require different minimum order quantities for each category of products. If there is stock available, we can sell you one item and you can contact us separately.

Q4. What about delivery time?

If we have the item you need in stock, we can send you the item within 3 business days after deposit or 100% payment. In case of customized products, the production time for each product usually varies and usually takes 5 to 15 working days.

Q5. What is your terms of payment?

T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.

Q6. What is your terms of delivery?

EXW, FOB, CFR, CIF, DDU.

Q7. How about the warranty?

A: Normally, the warranty period is 12 months after you receive the goods. For certain specific products, the warranty period is longer. We will indicate it in the product.