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Mercedes W123 Differential Oil Seal | ELRING 312.444

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Mercedes W123 Differential Oil Seal

ELRING 312.444 | Original Equipment (OEM) | 100% German Quality

This Differential Oil Seal, produced for Mercedes W123 chassis vehicles, is specifically used in models with the OM617 engine. Designed to protect the differential system of these vehicles produced between 1976 and 1985 and to prevent oil leaks, this part plays a critical role in ensuring the proper functioning of the vehicle's differential system. The oil seal identified by the ELRING 312.444 code is made from high-quality materials and developed in accordance with original equipment standards.

Product Features and Benefits

  • OEM Compatibility: This oil seal is manufactured in accordance with Mercedes original equipment standards. It fits your vehicle perfectly without any incompatibility issues.
  • Material Quality: Made using high-quality elastomer materials. This material is resistant to temperature changes and the chemical effects of oil.
  • Durability and Lifespan: Offers long-lasting use. It can withstand up to 100,000 km under normal conditions.
  • Performance: Ensures the proper functioning of the vehicle's differential system, thereby enhancing driving comfort and preventing oil leaks.
  • Testing and Certification: Manufactured in compliance with ISO 9001 and TS 16949 standards. This indicates that the product has undergone quality control processes.

Technical Details

Manufacturer BrandELRING
Product Code (OE/OEM)312.444
Part TypeDifferential Oil Seal
Production StandardOE equivalent / OEM
OriginGermany
SystemDifferential

Vehicle Compatibility

This Differential Oil Seal is compatible with Mercedes W123 chassis vehicles. It is particularly recommended for models with the OM617 engine code. Vehicles produced between 1976 and 1985 offer long-lasting performance thanks to the protection provided by this part.

  • Chassis code: W123
  • Engine code: OM617
  • Production year range: 1976-1985
  • Trim/Variant: All variants

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 spare part industry for many years and is known as an original equipment supplier for Mercedes-Benz. With ISO 9001 and TS 16949 certifications, it consistently maintains high quality standards. These parts, produced using high-quality materials at production facilities in Germany, manufacture OE parts for many vehicle brands worldwide.

Installation and Usage Notes

The most important point to consider during the installation of the differential oil seal is that the mounting surface must be clean and smooth. This will ensure a proper seal and extend the life of the part. Before installation, ensure that the old oil seal is completely removed. Additionally, attention must be paid to the correct torque value during installation. This part should be checked during differential oil changes and replaced if necessary.

Frequently Asked Questions

In which W123 models is this Differential Oil Seal used?

This oil seal is used in all variants of Mercedes W123 chassis vehicles. It is specifically designed for models with the OM617 engine code.

Is it original or aftermarket?

ELRING is known as an original equipment supplier for Mercedes-Benz. Therefore, this oil seal is a product of original quality and offers a more reliable option compared to aftermarket parts.

How many km does this Differential Oil Seal last / when should it be replaced?

This oil seal can last up to 100,000 km under normal conditions. However, it is recommended to replace it if oil leaks or signs of wear are observed.

Can I install it myself, or do I need to take it to a mechanic?

Installing the differential oil seal is a process that requires some experience. If you do not have mechanical knowledge, it is recommended to consult a professional. You can also install it yourself with the necessary tools.

How long does it take to arrive, do I have the right to return?

Your orders are shipped on the same day. You have the right to return within 14 days. Shipments are made with an e-archive invoice.

Advantages of German Parts Warehouse: Same-day shipping, 14-day return policy, sales with e-archive invoices, 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.

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