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

Product ID: 21902080

Details

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

⚡12V electrical output for precise data

🎯±1% measurement accuracy

🔥Up to 1550°F heat resistance

$U5539

Duties & taxes included

In stock

Sold byAmazon UruguayDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Drive smarter, cleaner, and longer with GM’s precision oxygen sensor!

BACKED BY GM WARRANTY - 24-month unlimited mile limited warranty for peace of mind on every drive
DURABILITY UNDER FIRE - Withstands extreme exhaust temperatures up to 1550°F without compromise
GM OE CERTIFIED QUALITY - Factory-spec part ensuring perfect fit, form, and function for your GM vehicle
PRECISION ENGINE TUNING - Optimizes air/fuel ratio to 14.7:1 for peak performance and fuel efficiency
PLUG AND PLAY RELIABILITY - Flange mount design for seamless installation and immediate feedback

The GM Genuine Parts Heated Oxygen Sensor (213-3866) is a high-accuracy, OE-certified sensor engineered to measure exhaust oxygen levels with ±1% precision. Designed to optimize engine air/fuel mixture for improved emissions and fuel economy, it withstands extreme temperatures up to 1550°F and features a reliable flange mount for easy installation. Backed by a 24-month unlimited mile warranty, this sensor ensures your GM vehicle runs efficiently and cleanly, just like the day it rolled off the line.

Specifications

ASIN	B0010GHAIS
Best Sellers Rank	#32,254 in Automotive ( See Top 100 in Automotive ) #31 in Automotive Replacement Oxygen Sensors
Brand Name	GM GENUINE PARTS
Customer Reviews	4.6 4.6 out of 5 stars (586)
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	3.2 ounces
Manufacturer	ACDelco
Material Type	Metal
Maximum Supply Voltage	12 volts_of_direct_current
Measurement Accuracy	±1%
Model	28a08370-8731-4af7-ace6-2e5c3db9ef09
Mounting Type	Flange Mount
Output Type	electrical signal
Part Number	213-3866
Specific Uses For Product	Oxygen Sensor
Style Name	Modern
UPC	707773178287
Unit Count	1 Count
Upper Temperature Rating	1550 °F
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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