

Mercedes S Class W140 M119 Thermostat O-Ring | FEBI 10258
Mercedes S Class W140 M119 Thermostat O-Ring
FEBI 10258 | Original Equipment (OEM) | 100% German Quality
This thermostat O-ring, designed for Mercedes S Class W140 vehicles with the M119 engine code, is a critical component of the engine cooling system. By maintaining the engine's ideal operating temperature, it prevents overheating and engine failures. The quality of this O-ring is extremely important for the efficiency and lifespan of the engine. This part, known by the code FEBI 10258, is designed to enhance the reliability of the engine cooling system.
Product Features and Benefits
- OEM Compatibility: This thermostat O-ring is manufactured in accordance with original equipment standards. It fully complies with authorized service standards.
- Material Quality: Made from high-quality elastomer material, which increases its durability and ensures long-lasting performance.
- Durability and Lifespan: This O-ring can withstand up to 100,000 km and performs effectively even under high-temperature conditions.
- Performance: By enhancing the efficiency of the engine's cooling system, it prevents engine overheating and improves fuel efficiency.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards, ensuring high quality and reliability.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 10258 |
| Part Type | Thermostat O-Ring |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine Cooling |
Vehicle Compatibility
The FEBI 10258 thermostat O-ring is compatible with Mercedes S Class vehicles with the W140 chassis code. This O-ring is designed for models with the M119 engine code. The W140 series was produced between 1991-1998 and holds a significant place in the luxury sedan segment.
- Chassis code: W140
- Engine code: M119
- Production year range: 1991-1998
- Trim/Variant: Luxury Sedan
It is recommended to confirm with our support line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
FEBI is a brand known for producing high-quality automotive parts. Based in Germany, this company supplies OE parts to many automotive manufacturers worldwide. It holds ISO 9001, TS 16949, and IATF 16949 certifications. The parts offered by FEBI have gained user trust by providing high durability and reliability.
Installation and Usage Notes
The most important point to consider during the installation of the thermostat O-ring is to completely remove the old O-ring. It is recommended to use the appropriate torque value during the installation of the new O-ring. Generally, it is advised to check the thermostat during each O-ring change. Additionally, it is important to check the coolant level and top it up if necessary. Regular checks of the cooling system are recommended for city driving.
Frequently Asked Questions
In which W140 models is this thermostat O-ring used?
The FEBI 10258 thermostat O-ring is used in M119 engine code models of Mercedes S Class vehicles with the W140 chassis code. These models were produced between 1991-1998.
Is it original or aftermarket?
FEBI is a brand with original equipment manufacturer status. Therefore, the FEBI 10258 thermostat O-ring is produced to the same standards as original parts, offering high quality and reliability.
How many km does this thermostat O-ring last / when should it be replaced?
The FEBI 10258 thermostat O-ring can last up to 100,000 km under normal conditions. Replacement is recommended in cases of wear signs, such as engine overheating.
Can I install it myself, or do I need to take it to a mechanic?
Installing the thermostat O-ring can be a process that requires expertise. If you lack automotive knowledge, it is recommended to consult a professional or visit an authorized service.
How long does 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. E-archive invoicing is provided.
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 from items physically available. If you write to our support line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part offer.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 0019973345 — Mercedes-Benz
- 00A121119 — TecDoc (VW)
- 0159972348 — Mercedes-Benz
- 0A121119 — TecDoc (VW)
- A0019973345 — Mercedes-Benz
- A0159972348 — Mercedes-Benz
- N90560801 — TecDoc (VW)
Compatible vehicle information not yet added.
