The Mercedes ML Series W163 is an SUV model produced between 1998 and 2005. The spark plug well seal used in this model is an important part of the engine's ignition system. This part ensures the sealing around the spark plugs and supports the efficient operation of the engine. A high-quality spark plug well seal enhances engine performance while preventing leaks and extending engine life. The part known by the code FEBI 31721 is critical for the healthy functioning of the engine's ignition system.
Product Features and Benefits
- OEM Compatibility: FEBI 31721 is manufactured according to original equipment standards. This means the part fits perfectly with the vehicle's engine system.
- Material Quality: Made from high-quality elastomer material, which increases durability and ensures longevity.
- Durability and Lifespan: The spark plug well seal can last up to 100,000 km. It is resistant to temperature and engine conditions.
- Performance: Ensures the efficient operation of the engine's ignition system, improving fuel efficiency and emission values.
- Testing and Certification: Manufactured in accordance with ISO 9001 and TS 16949 quality standards, enhancing its reliability.
Technical Details
| Manufacturer Brand | FEBI |
| Product Code (OE/OEM) | 31721 |
| Part Type | Spark Plug Well Seal |
| Production Standard | OE equivalent / OEM |
| Origin | Germany |
| System | Engine |
Vehicle Compatibility
The FEBI 31721 spark plug well seal is compatible with the Mercedes ML Series W163. This part fits perfectly with vehicles that have the W163 chassis code and OM648 engine code. Produced between 1998 and 2005, this model stands out in terms of both performance and reliability. This part is a critical component for ensuring the healthy operation of the engine's ignition system.
- Chassis code: W163
- Engine code: OM648
- Production year range: 1998-2005
- Trim/Variant: 320 CDI, 350
It is recommended to confirm with our contact line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
FEBI is a brand recognized for its OE supplier history. It manufactures original equipment for many models of Mercedes-Benz. It meets high production standards with ISO 9001, TS 16949, and IATF 16949 certifications. Based in Germany, FEBI has a strong reputation in the spare part market and is known for its reliability.
Installation and Usage Notes
There are some points to consider during the installation of the spark plug well seal. Before installation, ensure that the old seal is completely removed. When placing the new seal, make sure it is in the correct position. It is generally recommended to replace this part during spark plug changes. After installation, ensure that all connections are secure before starting the engine. Additionally, a leak check should be performed while the engine is running.
Frequently Asked Questions
Which W163 models use this spark plug well seal?
The FEBI 31721 spark plug well seal is used in the Mercedes ML Series W163 320 CDI and 350 models. These models were produced between 1998 and 2005.
Is it original or aftermarket?
FEBI is an original equipment manufacturer. This part has a high quality standard and is considered an OE equivalent part. The quality difference is an important factor in terms of reliability.
How many km does this spark plug well seal last / when should it be replaced?
The FEBI 31721 spark plug well seal can typically last up to 100,000 km. Signs of wear include engine leaks and ignition problems. If such signs are present, the part should be replaced.
Can I install it myself, or do I need to take it to a mechanic?
The installation of the spark plug well seal can be done with basic tools. However, due to the engine's sensitive structure, it is recommended that this procedure be performed by a qualified technician. Proper installation is critical for the healthy operation of the engine.
How long will it take to arrive, do I have the right to return it?
Your orders are shipped on the same day. You have the right to return within 14 days. All transactions are carried out with e-archive invoices.
Advantages of German Parts Warehouse: Same day shipping, 14-day return policy, e-archive invoiced sales, 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.
