The Mercedes W221 M278 Differential Seal prevents oil and fluids from leaking, preserving your vehicle's performance. CORTECO 01034081B is a part specifically designed to provide sealing.
Product Features and Benefits
- This seal is made from high-quality materials and offers long-lasting durability.
- The CORTECO brand is a reliable choice as a European-origin OE equivalent manufacturer.
- The installation process is easy, reducing time loss and providing quick setup.
- Its function as a sealing element minimizes oil and fluid losses.
- The product has been subjected to comprehensive testing to prove its compliance with quality standards.
Technical Details
| Manufacturer Brand | CORTECO |
| Product Code (OE/OEM) | 01034081B |
| Part Type | Seal / Sealing Element |
| Production Standard | OE Equivalent / OEM |
| Origin | Europe |
| System | Sealing |
Vehicle Compatibility
This part is compatible with the Mercedes W221 chassis and can be used with the S350, S450, S500, S550, S600, S63 AMG, S65 AMG, S320CDI, S350CDI variants. It is suitable for engine codes M272, M273, M275, M278, OM642, and OM629. We recommend checking compatibility with your VIN number.
- Chassis code: W221
- Engine codes: M272, M273, M275, M278, OM642, OM629
- Production year range: 2005-2013
- Trim / Variant: S350, S450, S500, S550, S600, S63 AMG, S65 AMG, S320CDI, S350CDI
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
As a European-origin brand, CORTECO offers high quality and reliability. Its products are developed in accordance with OE production standards and are known for their industry experience. Thanks to quality control processes, each part has been tested for long-lasting use.
Installation and Usage Notes
The most important points to consider during installation are the correct adjustment of torque values and the proper sequence of part installation. Care should be taken at check points to ensure sealing. It is recommended to work with an authorized service.
Frequently Asked Questions
Why is this seal important?
It protects your vehicle's performance by preventing oil and fluids from leaking.
Is installation difficult?
Installation is quite easy and can be done quickly with the right instructions.
How durable is this product?
It is made from high-quality materials and offers long-lasting use.
Which models is it compatible with?
It is compatible with the Mercedes W221 chassis and can be used with many variants and engine codes.
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 contact line with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.
