ACDELCO 213-3866 Oxygen Sensor Gm 12583804

( Brand: Acdelco ), ( Manufacturer Part Number: 213-3866 ), ( Type: Oxygen Sensor ), ( Country Of Origin: Mexico )

Review ACDELCO New Oxygen Sensor Gm 2133866

The ACDelco 213-3866 Oxygen Sensor is a premium replacement part designed for General Motors vehicles with the 12583804 OEM number. This oxygen sensor plays a crucial role in the vehicle's exhaust system and contributes significantly to the engine's performance and fuel efficiency.

The sensor is engineered to monitor the amount of unburnt oxygen in your vehicle's exhaust stream. It converts the oxygen level data into an electrical signal, which the engine control module uses to adjust the air-fuel mixture for optimal combustion. This results in reduced exhaust emissions, improved engine performance, and enhanced fuel economy.

The ACDelco 213-3866 Oxygen Sensor features a hexagonal, zirconia semiconductor element that offers high sensitivity and durability. Its advanced design allows for quick response times, ensuring accurate oxygen level readings and precise engine adjustments. Moreover, the sensor is designed to withstand the harsh conditions of the exhaust system, including high temperatures, corrosive gases, and mechanical stress.

The ACDelco 213-3866 Oxygen Sensor comes with a built-in heating element that ensures the sensor reaches optimal operating temperature quickly. This rapid warm-up time minimizes the time it takes for the sensor to provide accurate oxygen level readings to the engine control module.

Additionally, the sensor is engineered with a protective shield that safeguards the sensitive element from damage caused by exhaust gases and other contaminants. This shield helps extend the life of the sensor and ensures reliable, consistent performance.

The installation of the ACDelco 213-3866 Oxygen Sensor is straightforward. It is designed to fit directly into the exhaust system, requiring no modifications or additional components. The sensor comes with clear installation instructions and all necessary hardware to make the replacement process as easy and efficient as possible.

In summary, the ACDelco 213-3866 Oxygen Sensor is a high-performing, durable replacement part for General Motors vehicles. Its advanced design, quick response time, and protective shield make it an ideal choice for those seeking optimal engine performance, improved fuel efficiency, and reduced exhaust emissions.

Pros and Cons of buying a ACDelco 213-3866 Oxygen Sensor for a GM Vehicle

The ACDelco 213-3866 oxygen sensor is a popular replacement option for GM vehicles. This sensor is manufactured by ACDelco, a trusted automotive parts brand. In this analysis, we will discuss the pros and cons of buying this oxygen sensor to help you make an informed decision.

1. OEM Quality: ACDelco is a General Motors' original equipment manufacturer, ensuring that this oxygen sensor is built to the same specifications as the original part.

2. Durability: The ACDelco 213-3866 oxygen sensor is designed to last, making it a reliable choice for maintaining optimal engine performance.

3. Improved Fuel Efficiency: A faulty oxygen sensor can cause poor fuel economy. Replacing it with a new one, like the ACDelco 213-3866, can improve your vehicle's fuel efficiency.

4. Emissions Compliance: Properly functioning oxygen sensors are essential for ensuring your vehicle meets emissions standards.

5. Wide Availability: The ACDelco 213-3866 oxygen sensor is widely available at various automotive parts retailers, both in-store and online.

1. Cost: While the ACDelco 213-3866 oxygen sensor is a high-quality part, it may be more expensive compared to aftermarket alternatives.

2. Installation: Installing the oxygen sensor yourself requires some mechanical knowledge and tools. If you're not comfortable doing it yourself, consider having it installed by a professional.

3. Potential for False Readings: Oxygen sensors can sometimes produce false readings, which may require further diagnosis or adjustments to your vehicle's fuel system.

The ACDelco 213-3866 oxygen sensor is a high-quality, durable, and reliable part that can help maintain optimal engine performance and ensure emissions compliance. Although it may have a higher cost compared to aftermarket alternatives, its OEM quality and potential for improved fuel efficiency make it a worthwhile investment for GM vehicle owners.

If you're looking for a reliable and long-lasting oxygen sensor replacement for your GM vehicle, the ACDelco 213-3866 is an excellent choice. Consider having it installed by a professional to ensure proper installation and ensure your vehicle continues to run efficiently and effectively.

Details:

part #: 2133866 prices

• $50.00-$82.95

specifications rockeareng:

• brand: Acdelco
• mpn: 213-3866
• type: Oxygen Sensor
• country of origin: Mexico

seller rockeareng:

• # reviews: 405
• city: Tacoma, Washington
• rating: 100.0%

returns rockeareng:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

offer rockeareng:

• started: May 21, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True
• sold: 0

general rockeareng:

• Engines Engine Parts > Valvetrain Components > Rocker Arms Parts
• condition: New other see details

payments rockeareng:

• credit card: Diners-club
• other
• wallet: Paypal

shipping rockeareng:

• class: Standard
• service: USPS Ground Advantage
• cost: $0.00
• transit: 6-9 Days
• type: Calculated
• carrier: USPS

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