

Mercedes B-Class W245 OM640 Belt Tensioner Pulley | FEBI 23779
Mercedes B Class W245 OM640 Belt Tensioner Pulley | FEBI 23779
FEBI 23779 | Original Equipment (OEM) | 100% German Quality
The Mercedes B Class W245, equipped with the OM640 engine, was produced between 2005 and 2012. The belt tensioner pulley is a critical component for adjusting the tension of the belts that enable the engine to operate. This part enhances engine performance by ensuring the belts function properly. The FEBI 23779 belt tensioner pulley is made from high-quality materials, increasing the reliability of your vehicle's engine system and extending the lifespan of the belts. This part is essential for the engine system, and if it does not function correctly, it can negatively impact engine performance.
Product Features and Benefits
- OEM Compatibility: FEBI 23779 is manufactured in accordance with original equipment standards. This part fully complies with the standards set by authorized service centers and fits your vehicle perfectly.
- Material Quality: This belt tensioner pulley is produced using high-quality materials, noted for its durability and longevity. Advanced technologies were utilized during the manufacturing process.
- Durability and Lifespan: FEBI 23779 can withstand up to an average of 100,000 km. It shows high resistance to temperature and environmental conditions, ensuring long-term use.
- Performance: This belt tensioner pulley enhances engine performance, improving fuel efficiency. Its proper functioning reduces engine noise levels and lowers emissions.
- Testing and Certification: The product is manufactured in compliance with international quality standards such as ISO 9001 and TS 16949. It has undergone rigorous quality control processes.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 23779 |
| Part Type | Belt Tensioner Pulley |
| Manufacturing Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
The FEBI 23779 belt tensioner pulley is compatible with the OM640 engine of the Mercedes B Class W245 model. This part can be used with all W245 chassis code vehicles produced between 2005 and 2012. This model is noted for its compact structure and high performance. This part, essential for the proper functioning of the engine, enhances the overall performance of the vehicle and ensures long-lasting use.
- Chassis code: W245
- Engine code: OM640
- Production year range: 2005-2012
- Trim/Variant: All variants
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
FEBI is a brand recognized for its many years of experience in the spare part market and high-quality products. This brand serves as an OE supplier to many automotive manufacturers. Based in Germany, FEBI holds ISO 9001, TS 16949, and IATF 16949 certifications. This belt tensioner pulley, produced to high-quality standards, is used in factories of prestigious brands like Mercedes. Through quality control processes, the reliability and durability of the products are ensured.
Installation and Usage Notes
The belt tensioner pulley plays a critical role in the operation of the engine. Therefore, care should be taken during installation. It is generally recommended to replace this part during belt changes. Using the appropriate torque value during installation is important. Additionally, the belts should also be checked along with the belt tensioner pulley. This part enhances engine performance and improves fuel efficiency. Regular maintenance and checks are recommended based on the vehicle's usage conditions.
Frequently Asked Questions
In which W245 models is this belt tensioner pulley used?
The FEBI 23779 belt tensioner pulley is compatible with the OM640 engine of the Mercedes B Class W245 model and can be used with all W245 chassis code vehicles produced between 2005 and 2012.
Is it original or aftermarket?
FEBI is a brand that serves as an OE supplier to many automotive manufacturers. This belt tensioner pulley is of original equipment quality and offers high performance.
How many km does this belt tensioner pulley last / when should it be replaced?
FEBI 23779 can last up to an average of 100,000 km. It is recommended to replace it when signs of wear on the belt are observed or when engine noise increases.
Can I install it myself, or do I need to take it to a professional?
Installing the belt tensioner pulley requires specific technical knowledge. If you do not have experience with installation, it is recommended to seek help from a professional.
How long does it take to arrive, do I have a return right?
Your order will be shipped the same day. You have the right to return within 14 days. For more information, please contact our support line.
Advantages of German Parts Warehouse: Same day shipping, 14-day return policy, e-archive invoicing, WhatsApp expert support line (wa.me/905382927219). Our stock information is updated in real-time; your order is confirmed only for items physically available. If you write to our contact line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part as a quote.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 6402020419 — Mercedes-Benz
- 6682020119 — Mercedes-Benz
- 6682020419 — Mercedes-Benz
- A6402020419 — Mercedes-Benz
- A6682020119 — Mercedes-Benz
- A6682020419 — Mercedes-Benz
