

Mercedes GL Series W166 OM651 Exhaust Manifold Gasket ELRING 387.662
Mercedes GL Series W166 OM651 Exhaust Manifold Gasket
ELRING 387.662 | Original Equipment (OEM) | 100% German Quality
This exhaust manifold gasket, designed for Mercedes GL Series W166 vehicles with the OM651 engine code, is an essential part of the engine's exhaust system. This part ensures that exhaust gases are expelled properly without leaks. The exhaust manifold gasket is a critical component that affects engine performance and can wear out over time. Therefore, it is recommended to replace it with a high-quality ELRING 387.662 gasket. This part belongs to the vehicle's exhaust system and is necessary for the efficient operation of the engine.
Product Features and Benefits
- OEM Compatibility: As an original equipment manufacturer, ELRING guarantees that this part is produced in accordance with Mercedes standards. The gasket's fitment is fully compliant with authorized service standards.
- Material Quality: Manufactured using high-quality materials, known for its durability. This makes it resistant to wear and tear.
- Durability and Lifespan: This gasket has a long lifespan under normal usage conditions. It can typically last up to 100,000 km, but this duration may vary depending on the vehicle's operating conditions.
- Performance: By ensuring that exhaust gases are expelled without leaks, it enhances engine performance. This improves fuel efficiency and emission values.
- Testing and Certification: ELRING manufactures in compliance with international quality standards such as ISO 9001 and TS 16949. This ensures that the quality of the products is always guaranteed.
Technical Details
| Manufacturer Brand | ELRING |
| Product Code (OE/OEM) | 387.662 |
| Part Type | Exhaust Manifold Gasket |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Exhaust |
Vehicle Compatibility
This exhaust manifold gasket is compatible with Mercedes GL Series vehicles with the W166 chassis code. These vehicles, equipped with the OM651 engine code, have been produced since 2012. This model is positioned in the luxury SUV segment, known for its powerful engine structure and comfortable driving features.
- Chassis code: W166
- Engine code: OM651
- Production year range: 2012-2019
- Trim/Variant: GL 350, GL 450, GL 500
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 well-established brand in the automotive industry, supplying original equipment to many automotive manufacturers. Thanks to its long-standing collaboration with Mercedes-Benz, this part is produced to OE standards. The production facilities are certified with ISO 9001 and TS 16949. ELRING maintains its reputation in the industry through high-quality spare part production.
Installation and Usage Notes
The exhaust manifold gasket should be carefully positioned during installation. It is important to completely clean the old gasket and place the new gasket in the correct position. Generally, this gasket should also be replaced during the exhaust manifold change. Torque values and installation instructions can be found in the vehicle's service manual. Additionally, it is recommended to check for any leaks in the exhaust system after installation.
Frequently Asked Questions
Which W166 models use this exhaust manifold gasket?
This gasket is used in models of the Mercedes GL Series W166 chassis code that have the OM651 engine code. It is specifically found in the GL 350 and GL 450 models.
Is it original or aftermarket?
This product is an original equipment (OEM) part manufactured by the ELRING brand. Its quality standards fully comply with the criteria set by Mercedes, thus offering higher reliability than aftermarket products.
How many km does this exhaust manifold gasket last / when should it be replaced?
Typically, this gasket can last up to 100,000 km. However, it is recommended to replace it if any signs of leaks or wear are observed in the exhaust system.
Can I install it myself, or do I need to take it to a mechanic?
The installation process requires technical knowledge. If you do not have prior experience with the exhaust system, it is recommended to consult a mechanic. Using the necessary tools for proper installation is important.
How long does it take to arrive, do I have a return right?
Your order will be shipped the same day. You have the right to return the product within 14 days after receiving it. You can contact our customer service for return procedures.
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 the correct OE/equivalent part as a quote.
This product is equivalent to the following OEM/original part numbers. You can search by your vehicle's original part number.
- 6511420580 — MERCEDES-BENZ
- A6511420580 — MERCEDES-BENZ
Compatible vehicle information not yet added.
