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 tolerance

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₨1987

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Description

🔥 Stay ahead of the pack with GM Genuine Parts – where precision meets power!

SEAMLESS INTEGRATION - Flange mount design guarantees hassle-free installation and flawless compatibility with your GM vehicle’s ECM.
TRUSTED BY THOUSANDS - Rated 4.6 stars by over 560 users who fixed check engine lights and restored factory precision.
DURABILITY UNDER FIRE - Built to withstand extreme exhaust temperatures up to 1550°F, ensuring long-lasting operation.
FACTORY GRADE RELIABILITY - GM OE-certified for perfect fit, form, and function—no compromises on quality.
PRECISION ENGINE OPTIMIZATION - Fine-tunes air/fuel ratio to the ideal 14.7:1 for peak performance and fuel efficiency.

The GM Genuine Parts 213-3866 Heated Oxygen Sensor is a GM OE-spec zirconia ceramic sensor engineered to measure oxygen levels in exhaust gases with ±1% accuracy. Designed for GM vehicles, it optimizes engine performance, emissions, and fuel economy by maintaining the ideal air/fuel ratio. Rated for extreme temperatures up to 1550°F and backed by a 24-month unlimited mile warranty, this sensor ensures reliable, factory-grade performance and seamless integration.

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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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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