

Mercedes S-Class W140 M104 Thermostat Hose | FEBI 14025
Mercedes S Class W140 M104 Thermostat Hose
FEBI 14025 | Original Equipment (OEM) | 100% German Quality
This thermostat hose, specifically designed for Mercedes S Class W140 vehicles with the M104 engine code, plays a critical role in maintaining the engine's temperature balance. Produced between 1991 and 1998, this model offers luxury and performance, making the efficiency of this part essential for the proper functioning of the engine cooling system. Recognized by the code FEBI 14025, this hose ensures the smooth flow of coolant between the engine and radiator, preventing engine overheating.
Product Features and Benefits
- OEM Compatibility: Manufactured according to original equipment standards. FEBI is one of the authorized suppliers for Mercedes-Benz, and this part provides a perfect fit with the original part.
- Material Quality: Made from high-quality rubber and plastic materials. This ensures durability against temperature changes and chemical effects.
- Durability and Lifespan: Has an average lifespan of 100,000 km. It performs well even under extreme temperature and pressure conditions.
- Performance: Increases the efficiency of the engine's cooling system, allowing the engine to operate more efficiently. This helps with fuel savings and reduces emission values.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards. It has undergone necessary tests for high quality and reliability.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 14025 |
| Part Type | Thermostat Hose |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine Cooling |
Vehicle Compatibility
The FEBI 14025 thermostat hose is 100% compatible with Mercedes-Benz S Class W140 chassis code vehicles. This part is designed for all W140 models produced between 1991 and 1998 with the M104 engine code. This model is positioned in the luxury segment and is critical for the efficiency of the cooling system.
- Chassis code: W140
- Engine code: M104
- Production year range: 1991-1998
- 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 that has been active in the automotive spare part industry for many years. As one of Mercedes-Benz's original equipment suppliers, it meets high-quality standards. Holding ISO 9001, TS 16949, and IATF 16949 certifications, FEBI produces OE parts for leading automotive brands in Europe. Parts manufactured in modern facilities in Germany, using the latest technologies, offer the highest quality in the industry.
Installation and Usage Notes
The most important point to consider during the installation of the thermostat hose is to ensure that the hose is placed correctly. During installation, care should be taken to adhere to the necessary torque values to prevent leaks at the connection points. It is generally recommended to check other cooling system parts during hose replacement. Additionally, reviewing the hose annually helps in early detection of wear and tear signs.
Frequently Asked Questions
Which W140 models is this thermostat hose used in?
The FEBI 14025 thermostat hose is used in all M104 engine models of the Mercedes-Benz S Class W140 chassis code produced between 1991 and 1998.
Is this part original or aftermarket?
FEBI is one of the original equipment suppliers for Mercedes-Benz. Therefore, the FEBI 14025 thermostat hose is of original part quality and offers higher reliability compared to aftermarket parts.
How many kilometers does this thermostat hose last?
The FEBI 14025 thermostat hose has an average durability of 100,000 km. However, this duration may vary depending on the quality of installation and the operating conditions of the engine.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the thermostat hose can be done by individuals with basic mechanical knowledge. However, it is important to use the necessary tools for proper installation and to pay attention to torque values. It is always safer to seek help from a skilled technician.
How long does it take to arrive, and do I have the right to return it?
Orders are shipped on the same day. You have the right to return within 14 days. If you encounter any issues, you can reach us through our WhatsApp support line (wa.me/905382927219).
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.
- 1042030482 — Mercedes-Benz
- A1042030482 — Mercedes-Benz
