The Mercedes S Class W221, equipped with the M278 engine code, was produced between 2005 and 2013. The valve shaft gasket is one of the essential parts of the engine, sealing the valve shaft at the top of the engine. This part prevents engine oil from leaking out, thereby increasing the engine's efficiency. Additionally, it helps maintain pressure within the engine, preventing performance loss. Known by the code ELRING 403.730, this valve shaft gasket is a critical component for the healthy operation of the engine.
Product Features and Benefits
- OEM Compatibility: As an original equipment manufacturer, ELRING guarantees that this valve shaft gasket is produced in accordance with Mercedes standards. The part ensures perfect compatibility with the vehicle's engine system.
- Material Quality: Manufactured using high-quality elastomer material. This material is resistant to heat and chemicals, providing long-lasting use.
- Durability and Lifespan: The product has a lifespan of 80,000-120,000 km under normal usage conditions. It is resistant to extreme temperature and pressure conditions.
- Performance: The valve shaft gasket increases engine efficiency by ensuring oil tightness. This reduces fuel consumption and improves overall engine performance.
- Testing and Certification: ELRING is a manufacturer with ISO 9001 and TS 16949 certifications. The product has been tested according to high-quality standards.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 403.730 |
| Part Type | Valve Shaft Gasket |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This valve shaft gasket is compatible with the Mercedes S Class W221 model featuring the M278 engine code. Produced between 2005 and 2013, these vehicles are noted for their luxury features and high performance. This part is critical for ensuring the healthy operation of the engine.
- Chassis Code: W221
- Engine Code: M278
- Production Year Range: 2005-2013
- Trim/Variant: Luxury Variant
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
ELRING is a recognized brand in the global automotive spare parts market. Based in Germany, this company is known for its high-quality engine parts. Holding ISO 9001 and TS 16949 certifications, ELRING manufactures original equipment for prestigious brands like Mercedes. Its products are produced and tested according to high-quality standards.
Installation and Usage Notes
The installation of the valve shaft gasket should be performed by a qualified technician. During installation, it is crucial to ensure that the gasket is properly placed. Proper installation of the gasket is critical to ensuring oil tightness in the engine. It is recommended to check this part during oil changes. Additionally, it would be beneficial to check the overall condition of the engine and other parts.
Frequently Asked Questions
Which W221 models use this valve shaft gasket?
This valve shaft gasket is used in all Mercedes S Class W221 models produced between 2005 and 2013. It is particularly compatible with versions featuring the M278 engine code.
Is it original or aftermarket?
As an original equipment manufacturer, ELRING produces this valve shaft gasket in accordance with Mercedes standards. Therefore, it is considered an original quality part.
How many km does this valve shaft gasket last / when should it be replaced?
This valve shaft gasket has a lifespan of 80,000-120,000 km under normal usage conditions. It is recommended to replace it if oil leakage or signs of engine overheating are observed.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the valve shaft gasket should be performed by a qualified technician. Proper installation increases engine efficiency and prevents leaks.
How long does it take to arrive, do I have a return right?
Your order will be shipped the same day. You have the right to return within 14 days. For any support regarding the product, you can contact us via 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 contact line with your vehicle's chassis number, we will quickly provide you with the correct OE/equivalent part as a quote.
