The Mercedes GL Series W166 was produced between 2012-2019 and is equipped with versions featuring the M278 engine code. This oil pump chain plays a critical role in ensuring the proper functioning of the engine's oil pump. The oil pump chain regulates the oil flow in the engine, extending its lifespan and enhancing performance. Recognized by the FEBI 25446 code, this part is one of the most important components of the engine's lubrication system and ensures efficient engine operation.
Product Features and Benefits
- OEM Compatibility: This oil pump chain is manufactured in accordance with original equipment standards. It fully complies with the standards set by authorized service centers.
- Material Quality: Made from high-quality materials, ensuring durability and long service life.
- Durability and Lifespan: Typically lasts up to 100,000 km, this duration may extend depending on the engine's operating conditions.
- Performance: Optimizes oil flow in the engine, providing fuel savings and improving overall engine performance.
- Testing and Certification: Certified with ISO 9001 and TS 16949, guaranteeing the quality of the manufacturing process.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 25446 |
| Part Type | Oil Pump Chain |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This oil pump chain is compatible with vehicles of the Mercedes GL Series W166 chassis code. It is designed for models with the M278 engine code. These vehicles, produced between 2012-2019, are noted for their high-performance engines. This part serves as a critical component of the engine's lubrication system.
- Chassis code: W166
- Engine code: M278
- Production year range: 2012-2019
- Trim/Variant: GL 350 / GL 500
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 has been active in the automotive spare part industry for many years and serves as an OE supplier to many automotive manufacturers. This Germany-based brand is known for its high production standards and quality control processes. Documented with ISO 9001 and TS 16949 certifications, FEBI manufactures spare parts for prestigious brands like Mercedes-Benz. This product is produced with high-quality materials and state-of-the-art manufacturing methods.
Installation and Usage Notes
The installation of the oil pump chain should be performed by qualified personnel. The most important consideration during installation is to ensure the chain is placed correctly. It is recommended to check the oil pump chain during engine oil changes. Additionally, using the appropriate torque value during installation is crucial. After installation, it should be ensured that the engine's lubrication system is functioning properly.
Frequently Asked Questions
In which W166 models is this oil pump chain used?
This oil pump chain is used in the Mercedes GL Series W166 chassis code GL 350 and GL 500 models. It is specifically designed for vehicles with the M278 engine code.
Is it original or aftermarket?
FEBI is recognized as an original equipment manufacturer for Mercedes-Benz. Therefore, the FEBI 25446 oil pump chain is of original part quality and offers higher quality than aftermarket products.
How many kilometers does this oil pump chain last?
The FEBI 25446 oil pump chain can last approximately 100,000 km under normal usage conditions. However, this duration may vary depending on the engine's operating conditions.
Can I install it myself, or do I need to take it to a professional?
The installation of the oil pump chain should be performed by qualified personnel. Therefore, it is not recommended to install it yourself. Having it installed at an authorized service center is the healthiest method.
How long will it take to arrive, and do I have a return right?
Your orders are shipped on the same day. You have a 14-day return right. If you encounter any issues with the product, you can contact us via our WhatsApp support line.
Advantages of German Parts Warehouse: Same day shipping, 14-day return right, 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.
