The Mercedes S Class W140, produced between 1991-1998, utilizes a critical oil seal in its differential system to ensure oil tightness. The differential oil seal prevents oil from leaking out of the vehicle's differential system while also ensuring the proper functioning of the internal mechanism. Therefore, the FEBI 34974 differential oil seal is an important part to enhance your vehicle's performance and safety.
Product Features and Benefits
- OEM Compatibility: FEBI 34974 is manufactured in accordance with original equipment standards and is approved by authorized Mercedes-Benz service centers.
- Material Quality: Made from high-quality elastomer material, it is resistant to wear and temperature changes.
- Durability and Lifespan: It has an average lifespan of 100,000 km, but this may vary depending on driving conditions.
- Performance: Ensures oil tightness in the differential system, enhancing the overall performance and safety of the vehicle.
- 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) | 34974 |
| Part Type | Differential Oil Seal |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Differential |
Vehicle Compatibility
The FEBI 34974 differential oil seal is compatible with all variants of the Mercedes S Class W140 produced between 1991-1998. It is particularly recommended for use with the 3.2L (M104) and 5.0L (M119) engine options. This model belongs to the luxury segment and offers comfort on long journeys.
- Chassis code: W140
- Engine code: M104/M119
- Production year range: 1991-1998
- Trim/Variant: All variants
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 globally recognized OE supplier and produces spare parts for prestigious brands like Mercedes-Benz. Its products are manufactured in compliance with international quality standards such as ISO 9001 and TS 16949. Parts produced in modern manufacturing facilities in Germany utilize high technology to offer the highest quality in the industry. FEBI's reputation in the spare parts market is reinforced by its long-standing experience and commitment to customer satisfaction.
Installation and Usage Notes
The differential oil seal must be carefully positioned during installation. It is important to completely clean the old seal and place the new seal in the correct position. Care should be taken to prevent oil leakage during installation. This part should be checked during differential oil changes and replaced if necessary. Additionally, the overall condition of the differential system should be reviewed along with the oil change interval.
Frequently Asked Questions
Which W140 models is this differential oil seal used in?
FEBI 34974 is compatible with all variants of the Mercedes S Class W140 produced between 1991-1998. It is particularly used in vehicles with M104 and M119 engine codes.
Is it original or aftermarket?
FEBI is recognized as an OE manufacturer for Mercedes-Benz. Therefore, FEBI 34974 has the same quality and durability as original parts.
How many kilometers does this differential oil seal last?
FEBI 34974 has an average lifespan of 100,000 km. However, this may vary depending on driving conditions. It is recommended to replace it when signs of wear are observed.
Can I install it myself, or do I need to take it to a mechanic?
Installing the differential oil seal is a specialized task. If you have the necessary tools and experience, you can install it yourself. However, it is recommended to consult a professional.
How long does it take to arrive, do I have a return right?
Our products are shipped the same day. You have the right to return within 14 days. You can track your order through our support line on WhatsApp.
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 only confirmed 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.
