This tensioner cap, designed for Mercedes GL Series W166 vehicles with the OM642 engine code, plays a critical role in ensuring the proper functioning of the engine. Produced between 2012 and 2019, these vehicles require compatible operation of engine components while offering high performance and comfort. The tensioner cap, in connection with the engine's tensioning system, ensures that the belts remain at the correct tension, thereby increasing engine efficiency. The tensioner cap is an important part of the engine system, and therefore, choosing a product of original equipment quality with the code ELRING 125.820 ensures that the vehicle operates reliably and lasts longer.
Product Features and Benefits
- OEM Compatibility: As an original equipment manufacturer, ELRING produces this tensioner cap to high standards. The product fully complies with official authorized service standards, ensuring no issues during installation.
- Material Quality: Made from high-quality materials, this tensioner cap is resistant to wear and tear. It is designed for long-term use and works in harmony with other engine components.
- Durability and Lifespan: The estimated lifespan of this tensioner cap can reach up to 100,000 kilometers under normal conditions. It is resistant to temperature and other environmental factors.
- Performance: The tensioner cap ensures the proper functioning of the engine's belt system, positively impacting fuel savings and engine efficiency.
- Testing and Certification: ELRING products are manufactured in accordance with ISO 9001 and TS 16949 standards. High-quality control processes ensure reliability.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 125.820 |
| Part Type | Tensioner Cap |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This tensioner cap is compatible with vehicles that have the Mercedes GL Series W166 chassis code and the OM642 engine code. Produced between 2012 and 2019, these models require compatible operation of engine components while offering high performance and comfort. Proper use of the tensioner cap is critical for enhancing the overall performance and durability of the vehicle.
- Chassis code: W166
- Engine code: OM642
- Production year range: 2012-2019
- Equipment/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 has a long-standing history in the spare part market and serves as an OE supplier to many automotive brands. It continuously raises quality standards with ISO 9001, TS 16949, and IATF 16949 certifications. With production facilities based in Germany, ELRING offers reliable products and also manufactures OE parts for prestigious brands like Mercedes.
Installation and Usage Notes
The most important point to consider during the installation of the tensioner cap is to ensure that the installation is done correctly. It is recommended to check the tension settings of the belts during installation. Additionally, the tensioner cap should also be checked and replaced if necessary during the general maintenance of the engine. This part typically performs best when replaced along with other belt and tensioning components. During long journeys, the engine's temperature levels and overall performance should be monitored.
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 a quote for the correct OE/equivalent part.
