The DELPHI ES21133-12B1 oxygen sensor designed for the Mercedes W166 measures the amount of oxygen in the exhaust gases to optimize the fuel mixture ratio. This helps maintain emission values under control, playing a significant role in both performance and environmental impact.
Product Features and Benefits
- Guaranteed performance with OEM compatible DELPHI quality.
- Durable construction ensures long-lasting use even in harsh conditions.
- Easy installation allows for quick integration into the vehicle without wasting time.
- Works in harmony with emission control systems, providing an environmentally friendly solution.
- Has a reliable and well-known history with its European brand origin.
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 oxygen sensor is designed for vehicles with the Mercedes W166 chassis number. It is compatible with various engine variants. We recommend confirming with your VIN number for proper compatibility.
It is recommended to verify with your 17-digit VIN (chassis) number through our contact line for the correct part selection.
Quality and Warranty
DELPHI is a European-origin OE equivalent manufacturer brand. Known for its high-quality standards, DELPHI is recognized for its certified products. It is a reliable choice with expertise in lambda sensors.
Installation and Usage Notes
The most important point to consider during installation is to ensure that the sensor is installed in the correct order and to the appropriate torque value. Additionally, make sure that the connection points are secure. It is recommended to work with an authorized service.
Frequently Asked Questions
What function does this sensor serve?
The oxygen sensor optimizes the fuel mixture by measuring the amount of oxygen in the exhaust gases.
Can I install it myself?
Our recommendation is to have the installation done by a specialist or authorized service.
Which vehicles is this sensor compatible with?
It is compatible with vehicles that have the Mercedes W166 chassis number.
What is the warranty period for the product?
DELPHI products generally come with a 1-year warranty period.
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 will only be 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.
