The Mercedes W221 M278 Differential Seal prevents oil and fluids from leaking, maintaining your vehicle's performance. CORTECO 01036820B is a high-quality sealing component of European origin and is long-lasting.
Product Features and Benefits
- OEM compatible structure ensures full compliance with your vehicle's standards.
- Made from high-quality materials, enhancing durability and extending lifespan.
- Prevents oil and fluid loss thanks to its sealing performance.
- Offers easy installation, reducing time and labor costs.
- Carries the reliability and quality associated with a European brand.
Technical Details
| Manufacturer Brand | CORTECO |
| Product Code (OE/OEM) | 01036820B |
| Part Type | Seal / Sealing Component |
| Production Standard | OE Equivalent / OEM |
| Origin | Europe |
| System | Sealing |
Vehicle Compatibility
This differential seal is compatible with the Mercedes W221 chassis. It works with engine codes S350, S450, S500, S550, S600, S63 AMG, S65 AMG, S320CDI, and S350CDI. We recommend checking compatibility with your VIN.
- 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
CORTECO is known as an OE equivalent manufacturer and produces high-quality automotive parts. The brand has strict quality control processes and is a reliable choice with many years of experience.
Installation and Usage Notes
The most important point to pay attention to during installation is the correct placement of the seal. It should be tightened according to torque values and checked. It is recommended to have the installation done at an authorized service.
Frequently Asked Questions
What fluids does this seal prevent from leaking?
This seal prevents leaks of engine oils and differential fluids.
Is a special tool needed for installation?
Generally, standard automotive tools are sufficient, but expert advice may be beneficial.
Is this product guaranteed?
Yes, CORTECO products are generally covered by warranty.
Why should I choose CORTECO?
CORTECO is a brand that offers high-quality materials and reliability.
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 we physically have in stock. 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.