1. Acura Sensors For Sale
  2. sku: 5650374620009631
  3. WAGNER O21277

WAGNER O21277 Oxygen Sensor

fits model: Mdx, Rl. make: Acura. year: 2007–2010.

O21277 Wagner Oxygen Sensor 2007-2009 Acura Mdx 2009-2010 Rl 2007-2010 H

( Brand: Wagner ), ( Manufacturer Part Number: O21277 ), ( Type: Sensor ), ( Sensor Type: Oxygen Sensor ), ( Manufacturer Warranty: 1 Year )

Review WAGNER Oxygen Sensor Acura fits MDX RL 2007–2010

The Wagner O21277 oxygen sensor is a crucial component in the emission control system of select Acura models from 2007 to 2010. This sensor is designed to accurately measure the amount of unburnt oxygen in the exhaust gases produced by the engine, ensuring optimal fuel-air mixture for efficient combustion and reduced emissions.

This particular oxygen sensor is engineered to fit specifically in the 2007-2009 Acura MDX and 2009-2010 RL models. It features a heated design with a ceramic element, allowing it to function effectively in cold temperatures and maintain stable performance under various driving conditions.

The Wagner O21277 oxygen sensor comes with a high-temperature coating for enhanced durability, ensuring it can withstand the extreme heat generated within the exhaust system. It also has a wide operating temperature range, ensuring consistent and reliable readings even under varying conditions.

The sensor's electrical connections are robust and designed to resist corrosion, preventing potential issues caused by exposure to the harsh exhaust gases and other environmental factors. The sensor's dimensions are 1.8 inches in length and 1.2 inches in width, making it a direct replacement for the original part.

Installation of the Wagner O21277 oxygen sensor is straightforward, with no modification required to the vehicle's exhaust system. The sensor is supplied with a gasket to ensure a secure installation and prevent any potential leaks.

This high-quality oxygen sensor from Wagner guarantees improved engine performance, enhanced fuel efficiency, and reduced emissions, ensuring your Acura model runs at its best. With its precision engineering, robust design, and ease of installation, the Wagner O21277 oxygen sensor is an excellent choice for maintaining the optimal health and longevity of your vehicle.

Wagner O21277 Oxygen Sensor for 2007-2009 Acura MDX, 2009-2010 RL, and 2007-2010 Oxygen Sensor Comparison

Introduction:

The Wagner O21277 oxygen sensor is designed for use in various vehicles, including the 2007-2009 Acura MDX, 2009-2010 RL, and 2007-2010 models. This article provides a comparative analysis of the benefits and drawbacks of purchasing this oxygen sensor.

Pros of Buying Wagner O21277 Oxygen Sensor:

1. OEM-Grade Quality: The Wagner O21277 oxygen sensor is an original equipment manufacturer (OEM) replacement part. This means it is designed to be an exact fit and perform identically to the original sensor, ensuring optimal engine performance.

2. Improved Fuel Economy: A faulty oxygen sensor can lead to poor fuel economy. Replacing it with a new one, like the Wagner O21277, can help restore proper engine function, potentially resulting in improved fuel efficiency.

3. Enhanced Engine Performance: By accurately measuring the amount of oxygen in exhaust gases, the oxygen sensor plays a crucial role in maintaining optimal engine performance. Replacing a faulty sensor with a new one like the Wagner O21277 can improve engine responsiveness and overall performance.

4. Reduced Emissions: A properly functioning oxygen sensor helps your vehicle meet emissions standards by ensuring the engine runs efficiently and effectively.

Cons of Buying Wagner O21277 Oxygen Sensor:

1. Cost: The Wagner O21277 oxygen sensor may be more expensive than aftermarket alternatives. However, the OEM-grade quality and improved performance may justify the higher cost for some consumers.

2. Installation: Installing the oxygen sensor yourself may require some mechanical knowledge and tools. If you are not comfortable with the installation process, it may be best to have a professional do it for you.

3. Availability: Depending on your location and the specific vehicle model, the Wagner O21277 oxygen sensor may not be readily available at local auto parts stores. You may need to order it online and wait for it to be delivered.

Conclusion:

The Wagner O21277 oxygen sensor offers several benefits, including OEM-grade quality, improved fuel economy, enhanced engine performance, and reduced emissions. However, it may be more expensive than aftermarket alternatives and requires professional installation or sufficient mechanical knowledge for DIY installation. Ultimately, the decision to purchase the Wagner O21277 oxygen sensor depends on your budget, installation capabilities, and the importance you place on OEM-grade performance and improved engine function.

Recommendation:

For those seeking optimal engine performance and OEM-grade quality, the Wagner O21277 oxygen sensor is a recommended choice. However, if cost is a primary concern, aftermarket alternatives may offer a more affordable option. Always ensure that the chosen oxygen sensor is compatible with your vehicle model and year before making a purchase.

Details:

Wagner Oxygen Sensor O21277 for - 2007 - 2009 Acura MDX, 2009 2010 RL, 2007 2010 Honda Odyssey, Brand Wagner, Item weight150 g, UPC 0, Incorporated, BUILT TO LAST Application specific, four-layer chip design reduces cracking due to thermal expansion longer service life, EASY INSTALL Connector is easy install; threads with anti-seize aid in future service, OPTIMAL ENGINE PERFORMANCE Correct fuel control helps reduce emissions, maintain economy and contributes optimal engine performance, OE-STYLE REPLACEMENT Meets application requirements fit, form function, REAL-WORLD TESTED Parts are tested on-vehicle on select applications validated ensure performance the road Odyssey Incorporated life function.

part #: o21277 price

  • $14.87

specifications acrasensor:

  • for models: Mdx, Rl
  • for makes: Acura
  • for years: 2007-2010
  • brand: Wagner
  • mpn: O21277
  • type: Sensor
  • sensor type: Oxygen Sensor
  • manufacturer warranty: 1 Year

payments acrasensor:

  • wallet: Paypal
  • credit card: Discover
  • other

seller acrasensor:

  • rating: 100.0%
  • # reviews: 285
  • city: Meridian, Idaho

shipping acrasensor:

  • cost: $0.00
  • transit: 6-11 Days
  • class: Standard
  • type: Calculated
  • service: USPS Ground Advantage
  • carrier: USPS

general acrasensor:

  • condition: New
  • Car Truck Parts Accessories > Air Fuel Delivery > Air Intake Fuel Sensors

offer acrasensor:

  • quantity: 2
  • sold: 0
  • best offers: True
  • availability: In Stock
  • options: Ship-to-home
  • started: December 30, 2025

returns acrasensor:

  • policy: No Returns
for models: mdx, rl, for makes: acura, for years: 2007-2010, type: sensor, sensor type: oxygen sensor, manufacturer warranty: 1 year,
category: auto parts > car truck parts accessories > air fuel delivery > acura air intake fuel sensors, sku: 5650374620009631,
Wagner O21277 Is Similar To:
  • (63.9% similar) The Wagner O21163 oxygen sensor is designed for the 2000 -2005 acura NSC 3.0L V6, providing accurate and reliable fuel delivery monitoring. With a focus on quality and compatibility, this product is specifically tailored to fit the acura NSC, ensuring optimal performance efficiency. The sensor type...(January 25th, 2026)
  • (54.9% similar) Optimal engine performance correct fuel control helps reduce emissions, maintain economy and contributes to optimal engine performance. Easy to install connector is easy to install; threads with anti-seize aid in future service. OE-style replacement meets application requirements for fit, form and ...(April 13th, 2026)
acrasensor logo
1 offer $14.87 USD
  • New. Offer #1 priced at $14.87 + $5.89 shipping estimate = $20.76* total. Wagner Oxygen Sensor for - 2007-2009 Acura MDX, 2009-2010 Acura RL, 2007-2010 Honda Odyssey BrandWagner Item weight150 g UPC019826297440 ManufacturerDRiV Incorporated BUILT TO LAST Application specific, four-layer chip design reduces cracking due to thermal expansion for longer service life EASY TO INSTALL -- Connector is easy to install; threads with anti-seize aid in future service OPTIMAL ENGINE PERFORMANCE -- Correct fuel control helps reduce emissions, maintain fuel economy and contributes to optimal engine performance OE-STYLE REPLACEMENT -- Meets application requirements for fit, form and function REAL-WORLD TESTED -- Parts are tested on-vehicle on select applications and validated to ensure optimal performance on the road.+$5.89 shipping

Copyright © acrasensor.com