Mercedes A-Class W177 M139 Valve Shaft Seal | ELRING 403.730

Mercedes A Class W177 M139 Valve Shaft Gasket

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

This valve shaft gasket for the Mercedes A Class W177, featuring the M139 engine code, plays a critical role in ensuring the sealing of the engine's valve system in models from 2018 onwards. The valve shaft gasket prevents the oil and gases inside the engine from leaking out, supporting efficient engine operation. This part enhances engine performance and provides long-lasting use. It is manufactured to original equipment standards under the ELRING 403.730 code and is an important component of the engine system.

Product Features and Benefits

• OEM Compatibility: The ELRING valve shaft gasket is fully compliant with original equipment specifications and is produced according to Mercedes' authorized service standards. The part's fit ensures that there are no issues during installation.
• Material Quality: Made from high-quality elastomer material, this gasket is resistant to wear and temperature changes. It offers long-lasting use and enhances engine safety.
• Durability and Lifespan: The ELRING valve shaft gasket offers an approximate lifespan of 100,000 km and is resistant to high temperature and pressure conditions.
• Performance: This part increases fuel efficiency by ensuring oil sealing in the engine and improves overall engine performance.
• Testing and Certification: ELRING products are manufactured in accordance with ISO 9001, TS 16949, and IATF production standards, ensuring high quality and reliability.

Technical Details

Vehicle Compatibility

The ELRING 403.730 valve shaft gasket is compatible with vehicles of the Mercedes A Class W177 chassis code and M139 engine code. This part is used in A Class models produced from 2018 onwards. The A Class is a model in the compact segment, offering high performance and comfort.

• Chassis code: W177
• Engine code: M139
• Production year range: 2018+
• 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

ELRING has a long-standing history in the spare part market and supplies original equipment to many automotive manufacturers. Based in Germany, ELRING meets quality standards with ISO 9001 and TS 16949 certifications. It maintains its reputation in the industry by producing high-quality products using premium materials.

Installation and Usage Notes

The most important point to consider during the installation of the valve shaft gasket is the complete cleaning of the old gasket. Before installation, the gasket seating area should be checked and lightly lubricated with oil if necessary. This part is recommended to be replaced during engine maintenance. Additionally, regularly checking and changing the engine oil will extend the gasket's lifespan. It is also important to pay attention to the torque value during installation.