This cylinder head bolt set, designed for the Mercedes A Series W168, is suitable for vehicles with the M166 engine code. This part helps securely fasten the cylinder head in place, maintaining pressure within the engine. Cylinder head bolts play a critical role in the efficiency and safety of the engine. Therefore, this set with the ELRING 372.820 code is essential for enhancing engine performance and preventing potential leaks. This part is directly related to the cylinder head, one of the main components of the engine system.
Product Features and Benefits
- OEM Compatibility: ELRING is produced in accordance with original equipment standards. This set fully complies with Mercedes authorized service standards and includes all the bolts necessary for engine assembly.
- Material Quality: Made from high-quality steel, these bolts offer durability and longevity. ELRING ensures the quality of its products by being meticulous in material selection.
- Durability and Lifespan: This bolt set is designed to withstand high temperatures and the operating conditions of the engine. It is ideal for long-term use and extends engine life.
- Performance: Proper installation enhances engine performance and reduces the risk of leaks. This increases engine efficiency and optimizes fuel consumption.
- Testing and Certification: ELRING manufactures in accordance with international quality standards such as ISO 9001 and TS 16949. This enhances the reliability and quality of the products.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 372.820 |
| Part Type | Cylinder Head Bolt Set |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
This cylinder head bolt set is compatible with Mercedes A Series W168 vehicles with the M166 engine code, ideal for models produced between 2004-2012. This part ensures safe assembly of the engine and enhances engine performance. W168 chassis code Mercedes A Series vehicles offer a structure that provides both comfort and performance to users.
- Chassis code: W168
- Engine code: M166
- Production year range: 2004-2012
- Trim/Variant: -
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 been operating as an OE supplier in the automotive industry for many years. Due to its commitment to quality standards, it is preferred by many automobile manufacturers. Its products are guaranteed with ISO 9001, TS 16949, and IATF 16949 certifications. Produced in modern manufacturing facilities in Germany, these parts offer high quality and reliability. ELRING has established a reputable position in the spare part market by producing OE parts for prestigious brands like Mercedes.
Installation and Usage Notes
During the installation of the cylinder head bolts, it is important to pay attention to the correct torque values. These bolts must be tightened properly for the engine to operate safely. Generally, a torque value of 25-30 Nm is recommended for such bolts. Additionally, it is advised to check the cylinder head bolts every 100,000 km as part of the engine's general maintenance. During installation, replacing old bolts and using a new gasket is also important. Regular checks of this part should be conducted during long journeys and heavy city traffic to enhance engine performance.
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 confirmed only for items physically in stock. If you write to our support line with your vehicle's chassis number, we will quickly provide you with a quote for the correct OE/equivalent part.