Rear air fuel ratio lambda oxygen sensor for Volvo Oxygen O2 sensor OE 31370195 Capteur d'oxygène
Product Description:
Upstream lambda sensor
OE NO.: 31370195 30651718
Applicable vehicle type: For Volvo
The automotive oxygen sensor is a critical feedback component of the engine management system. Its core function can be summarized as: real-time monitoring of the oxygen content in exhaust gases, which helps the ECU precisely control the air-fuel ratio, thereby achieving economical, clean, and efficient combustion.
Closed-loop control function
Fuel correction: The ECU dynamically adjusts the fuel injection quantity based on the oxygen sensor signal to maintain the air-fuel ratio near the theoretical value of 14.7:1.
Three-way catalyst protection: Ensures the catalyst operates within the optimal efficiency window (conversion rate above 95%).
Cold start management: Provides open-loop control basis before the engine warms up.
Practical Benefits
Fuel Saving: Avoid prolonged rich combustion, saving 5-15% fuel.
Emission Reduction: Reduce emissions of harmful gases such as CO, HC, and NOx.
Performance Optimization: Prevent spark plug carbon buildup and exhaust pipe corrosion.
Fault Diagnosis: Monitor catalyst aging and abnormal engine operation.
Company Profile:
Beijing Huarui Jietong Trading Co., Ltd. brings 20 years of automotive aftermarket expertise as a professional auto parts supplier. With strategic locations in Beijing, Guangzhou, and Jiangsu, we efficiently meet quality and quantity demands for global customers.
The company primarily focuses on accessories for Land Rover, Jaguar, and Volvo product series, including Air Conditioning Systems, Braking Systems, Driving Systems, Engine Systems, Cooling Systems, Auto Body Systems, Steering Systems, Suspension Systems, Transmission Systems, and other related parts. Facing the trend of economic globalization, our company is committed to bringing better products and services to the world, providing high-quality products and services for domestic and foreign enterprises and customers.
We welcome any inquiries and look forward to your contact.
Our Advantages
- 20 years of specialized auto parts industry experience
- Expert technical team for comprehensive support
- Direct partnerships with repair shops for real-world feedback
- Premium quality parts ensuring reliability and durability
- Extensive inventory with over 500,000+ items ready to ship
- Responsive customer service with quick turnaround
- Customized solutions for specific vehicle requirements
- Professional technical guidance and installation support
- Comprehensive 12-month warranty coverage
- Competitive pricing through optimized supply chains
- Rigorous quality control meeting industry standards
- Efficient global shipping via multiple carriers
Frequently Asked Questions
Shipping Information:
Items ship within 3-7 business days via Epacket/UPS/FEDEX/DHL/EMS.
Remote areas may incur additional shipping fees.
Inspect items upon delivery and contact us immediately for any damage.
Russian customers must provide full name; Brazilian customers must provide tax number for courier shipments.
Warranty & Support:
12-month warranty included with professional after-sales support for any product inquiries or issues.
Import Notes:
Import duties, taxes, and charges are not included in shipping costs and are the buyer's responsibility.
Product Tags:
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OE 31370195 Oxygen Sensor for Volvo with Fuel Correction and Lambda Control Images
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