What are the symptoms of a bad O2 sensor?

A failing or failed O2 sensor may not detect the engine’s air-fuel ratio running too rich or too lean. Common signs include an illuminated check engine light, poor fuel economy, rough idling or failed emissions testing.

Can a bad O2 sensor cause the check engine light to come on?

Yes. When incorrect oxygen levels are detected in the exhaust, the sensor will trigger the sensor to send a fault code and turn on the check engine light.

Will replacing an O2 sensor improve gas mileage?

A properly functioning O2 sensor can help the vehicle maintain the optimal air-fuel ratio for combustion, helping balance fuel economy, engine performance and emissions.

How long do O2 sensors last?

O2 sensors can last between 60,000 and 100,000 miles. However, O2 sensor longevity depends on numerous factors including heat, carbon buildup and normal wear.

Why choose GM Genuine Parts O2 sensors instead of aftermarket brands?

GM Genuine Parts O2 sensors are engineered to original equipment specifications for precise fit, form and function. They are designed to integrate seamlessly with your vehicle’s engine.

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213-3866 (12583804) Heated Oxygen Sensor

213-3866 (12583804) Heated Oxygen Sensor

Product ID: 21902080

Details

Brand
GM GENUINE
Item Weight
0.2 Pounds
Item dimensions L x W x H
8.2 x 3.2 x
Material
Metal
Style
Modern

⚡12V max supply voltage

🎯±1% measurement accuracy

🔥Up to 1550°F heat resistance

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€ 112.41

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Description

🔥 Stay ahead of the curve with precision-engineered GM OE oxygen sensing!

HIGH HEAT DURABILITY - Operates reliably at extreme temperatures up to 1550°F for long-lasting performance.
GM OE QUALITY ASSURANCE - Manufactured to exact GM specifications ensuring perfect fit, form, and function.
TRUSTED REPLACEMENT PART - Backed by GM Genuine Parts warranty and quality, trusted by thousands of GM vehicle owners.
PRECISION OXYGEN DETECTION - Engineered to measure exhaust oxygen with ±1% accuracy for peak engine tuning.
FUEL ECONOMY EMISSIONS OPTIMIZED - Enables ECM to maintain the ideal 14.7:1 air/fuel ratio, maximizing efficiency and reducing emissions.

The GM Genuine Parts Heated Oxygen Sensor (213-3866) is a high-accuracy, durable sensor designed to optimize your GM vehicle’s engine performance, fuel economy, and emissions. Built to GM OE standards, it withstands extreme exhaust temperatures up to 1550°F and delivers precise oxygen measurements with ±1% accuracy, ensuring your engine control module can maintain the perfect air/fuel ratio. Backed by a 24-month unlimited mile warranty, this sensor is the trusted choice for seamless replacement and reliable operation.

Specifications

ASIN	B0010GHAIS
Best Sellers Rank	#47,618 in Automotive ( See Top 100 in Automotive ) #41 in Automotive Replacement Oxygen Sensors
Brand Name	GM GENUINE PARTS
Customer Reviews	4.6 4.6 out of 5 stars (579)
Global Trade Identification Number	00707773178287
Included Components	Oxygen Sensor
Item Dimensions	8.2 x 3.2 x 3.2 inches
Item Type Name	Oxygen Sensor
Item Weight	0.2 Pounds
Manufacturer	ACDelco
Material Type	Metal
Maximum Supply Voltage	12 Volts (DC)
Measurement Accuracy	±1%
Model	28a08370-8731-4af7-ace6-2e5c3db9ef09
Mounting Type	Flange Mount
Output Type	electrical signal
Part Number	213-3866
Smart Home Compatibility	Not Smart Home Compatible
Specific Uses For Product	Oxygen Sensor
Style Name	Modern
UPC	707773178287
Unit Count	1.0 Count
Upper Temperature Rating	1550 Degrees Fahrenheit
Warranty Description	24 Month / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. (Parts Only) Please see ACDelco.com for more details.

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