The DELPHI ES21133-12B1 lambda sensor, specifically designed for the Mercedes W166, measures the amount of oxygen in the exhaust gases to optimize the fuel mixture ratio. This helps keep emission values under control and increases engine efficiency.
Product Features and Benefits
- Provides excellent compatibility with high-quality parts due to OEM compliance.
- Offers long-lasting use thanks to its durable construction.
- Guarantees reliable performance with advanced testing processes.
- Reduces time and labor costs with easy installation.
- DELPHI, a European brand, manufactures to high standards.
Technical Details
| Manufacturer Brand | DELPHI |
| Product Code (OE/OEM) | ES21133-12B1 |
| Part Type | Lambda Sensor |
| Production Standard | OE Equivalent / OEM |
| Origin | Europe |
| System | Emission |
Vehicle Compatibility
This lambda sensor is compatible with vehicles of the Mercedes W166 chassis code and can be used with different engine variants. We recommend checking your engine code for full compatibility.
It is recommended to confirm with our support line using your 17-digit VIN (chassis) number for the correct part selection.
Quality and Warranty
DELPHI is known as a European OE equivalent manufacturer and adheres to high quality standards. The brand offers reliable and durable products with its industry experience. It ensures quality assurance through a certified production process.
Installation and Usage Notes
Ensure that the sensor is in the correct position during installation. Pay attention to the torque values and check the connections. It is recommended to have the installation performed by an authorized service.
Frequently Asked Questions
Which vehicles is this sensor compatible with?
DELPHI ES21133-12B1 is compatible with Mercedes W166 chassis vehicles. It is important to check for other variants.
How is the installation done?
It is recommended to seek the assistance of a skilled technician for the installation process. Correct torque values should be used.
How can a sensor failure be detected?
The check engine light may illuminate, and fuel consumption may increase. A decrease in performance may also be observed.
Is there a product warranty?
Yes, DELPHI products are generally covered by warranty. You can learn the details from the seller.
Advantages of German Parts Depot: 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 available. 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.
