Mercedes GL Series W166 M278 Valve Shaft Seal | ELRING 403.730

Mercedes GL Series W166 M278 Valve Shaft Seal

ELRING 403.730 | Original Equipment (OEM) | 100% German Quality

This valve shaft seal, produced for Mercedes GL Series W166 vehicles with the M278 engine code, plays a critical role in ensuring the sealing of the engine's valve system. This part prevents oil leaks by enhancing the engine's performance and efficiency. The valve shaft seal prevents oil and gases from escaping the engine, thereby extending the engine's lifespan. Known by the code ELRING 403.730, this product is an important component of the engine's valve system.

Product Features and Benefits

• OEM Compatibility: The ELRING valve shaft seal is manufactured according to original equipment standards. This ensures perfect compatibility with your vehicle's engine system and meets authorized service standards.
• Material Quality: Made from high-quality elastomer material. This material is resistant to temperature changes and offers long-lasting performance.
• Durability and Lifespan: The ELRING valve shaft seal can withstand up to 100,000 km under normal usage conditions. This lifespan may vary depending on temperature and engine conditions.
• Performance: This part enhances the engine's oil sealing, improves fuel efficiency, and reduces emission values.
• Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 standards. ELRING serves as an OE supplier to many automotive brands worldwide.

Technical Details

Vehicle Compatibility

This valve shaft seal is compatible with vehicles that have the Mercedes GL Series W166 chassis code. These vehicles equipped with the M278 engine code have been produced since 2012. This part is essential for ensuring the sealing of the engine's valve system and enhances engine performance.

• Chassis code: W166
• Engine code: M278
• Production year range: 2012-2021
• Trim/Variant: GL 450/GL 500

It is recommended to confirm with our support line using your 17-digit VIN (chassis) number for the correct part selection.

Quality and Warranty

As a globally recognized OE supplier, ELRING supplies parts to prestigious brands like Mercedes-Benz. Their products are made with high-quality materials and have certifications such as ISO 9001 and TS 16949. These parts, produced in Germany, have years of experience in the automotive industry and are known for their reliability.

Installation and Usage Notes

The installation of the valve shaft seal should be performed by professionals. During installation, ensure that the seal is properly positioned. Additionally, it is recommended to check this part during engine oil changes. Refer to the manufacturer's guide for torque values. Attention should be paid to engine temperature values during long journeys.

Frequently Asked Questions