This belt tensioner pulley, designed for Mercedes E-Class W211 vehicles with the OM646 engine, is a critical component that ensures the proper functioning of the engine's belt system. This part helps maintain the tension of the belt, contributing to the efficient operation of the engine. Since the belt tensioner pulley can wear over time, its failure may lead to a decrease in engine performance. Therefore, replacing the part with the FEBI 31975 code is important for the health of the vehicle's engine system. This part is a component of the engine system.
Product Features and Benefits
- OEM Compatibility: FEBI 31975 is manufactured in accordance with original equipment standards and possesses the characteristics of parts used in authorized Mercedes service centers.
- Material Quality: Produced using high-quality materials, supported by special manufacturing technologies that enhance durability.
- Durability and Lifespan: This belt tensioner pulley can withstand up to an average of 100,000 km and is resistant to extreme temperatures and harsh conditions.
- Performance: Ensures the proper functioning of the engine's belt system, increasing fuel efficiency and reducing engine noise.
- Testing and Certification: The production process is carried out in accordance with ISO 9001 and TS 16949 standards, providing quality assurance.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 31975 |
| Part Type | Belt Tensioner Pulley |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
The FEBI 31975 belt tensioner pulley is compatible with Mercedes E-Class W211 models with the OM646 engine code. This part is used in E-Class models produced between 2002 and 2009. This model is a significant representative of Mercedes' luxury sedan segment, offering high performance and comfort.
- Chassis code: W211
- Engine code: OM646
- Production year range: 2002-2009
- Trim/Variant: Various variants available.
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 globally recognized OE supplier and is preferred by many automotive manufacturers. This Germany-based brand is known for its production facilities with high-quality standards. Supported by ISO 9001 and TS 16949 certifications, FEBI supplies OE parts for many Mercedes-Benz models. These parts, offering high performance and durability, stand out for their reliability in the automotive industry.
Installation and Usage Notes
Care should be taken during the installation of the belt tensioner pulley. Since this part ensures the proper functioning of the belt system, the tension of the belt should be correctly adjusted during installation. It is generally recommended to check and replace this part along with the belt replacement if necessary. Additionally, torque values and seal recommendations are specified in the installation guide. The condition of this part should be regularly checked according to the vehicle's maintenance schedule.
Frequently Asked Questions
In which W211 models is this belt tensioner pulley used?
The FEBI 31975 belt tensioner pulley is used in Mercedes E-Class W211 models with the OM646 engine code. This part is available in E-Class models produced between 2002 and 2009.
Is it original or aftermarket?
FEBI is a brand with OE manufacturer status for Mercedes-Benz. In terms of quality difference, it produces at a quality equivalent to original parts, providing an advantage in price-performance.
How many km does this belt tensioner pulley last / when should it be replaced?
The FEBI 31975 belt tensioner pulley can last up to an average of 100,000 km. Signs of wear include increased engine noise and loosening of the belt.
Can I install it myself, or do I need to take it to a professional?
The installation of the belt tensioner pulley requires specific technical knowledge. If you do not have experience, it is recommended to have it installed at an authorized service center.
How long will it take to arrive, do I have a return right?
Your orders are shipped on the same day. You have the right to return within 14 days. You can reach us via our WhatsApp support line for assistance.
Advantages of German Parts Depot: 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 only confirmed from 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.