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  3. TOPOWER TO12928AS438P

TOPOWER TO12928AS438P Oxygen Sensor Zdx Upstream O2

fits model: Mdx, Rdx, Rl, Accord, Odyssey, Pilot. make: Honda, Acura.

To12928as438p Topower O2 Oxygen Sensor For Honda Accord Odyssey Pilot Acura Mdx Rdx Zdx Rl Upstream

( Brand: Topower ), ( Manufacturer Part Number: TO12928AS438P ), ( Part Type: Sensor ), ( Manufacturer Warranty: 1 Year ), ( Sensor Type: Oxygen Sensor ), ( Fitment Type: Direct Replacement )

Review TOPOWER O2 Oxygen Sensor Honda Acura Zdx Upstream fits ACCORD ODYSSEY PILOT MDX RDX RL

Top Quality TO21F-12928 AS438P O2 Sensor for Honda Accord, Odyssey, Pilot, Acura MDX, RDX, ZDX, and RL

The TO21F-12928 AS438P O2 Sensor is a top-tier automotive component designed to meet the specific needs of various vehicle models from Honda, Acura, and their respective SUV counterparts. This upstream oxygen sensor is an essential element of the vehicle's exhaust gas recycling system, which helps maintain optimal engine performance and fuel efficiency.

This O2 sensor is equipped with a heated ceramic element, ensuring quick and accurate oxygen sensing in both cold and warm engine conditions. It features a durable and robust design, with a stainless steel housing that shields it from harsh engine environments. The sensor's advanced technology allows for precise measurement of the oxygen content in exhaust gases, enabling the engine control unit to adjust the fuel-air mixture accordingly.

By supplying accurate oxygen data to the engine management system, the TO21F-12928 AS438P O2 Sensor contributes to improved engine performance, enhanced fuel efficiency, and reduced exhaust emissions. It is essential for vehicles equipped with on-board diagnostics (OBD) systems, as faulty oxygen sensors can trigger check engine lights and cause engine performance issues.

This O2 sensor is a direct replacement for the original equipment manufactured (OEM) part, ensuring a perfect fit and function in the specified vehicles. It undergoes rigorous testing to ensure the highest quality and reliability, providing vehicle owners with peace of mind and long-lasting performance.

In conclusion, the TO21F-12928 AS438P O2 Sensor is a crucial investment for maintaining the overall health and performance of Honda, Acura, and their respective SUVs. This high-performance sensor ensures proper exhaust gas recycling, providing accurate oxygen data to the engine management system, and contributing to improved engine performance, enhanced fuel efficiency, and reduced exhaust emissions.

Buying a TO21F-12928 AS438P O2 sensor for Honda Accord, Odyssey, Pilot, Acura MDX, RDX, ZDS, and RL models with an upstream location comes with several pros and cons. Here's a detailed analysis:

Pros:

1. Improved Fuel Efficiency: A faulty O2 sensor can cause the engine to run rich or lean, leading to increased fuel consumption. Replacing a faulty sensor can help restore optimal fuel efficiency.

2. Better Engine Performance: A malfunctioning O2 sensor can cause poor engine performance, such as stalling, rough idling, and hesitation. Replacing the sensor can help improve engine performance and reliability.

3. Reduced Emissions: An O2 sensor plays a crucial role in maintaining the correct air-fuel mixture in the engine, which is essential for reducing harmful emissions. A faulty sensor can cause increased emissions, leading to environmental concerns and potential fines.

4. Longer Engine Lifespan: A faulty O2 sensor can lead to engine damage, such as catalytic converter failure, if left unaddressed. Replacing the sensor can help extend the lifespan of the engine.

5. Cost-Effective: Replacing an O2 sensor is a relatively inexpensive repair compared to other engine repairs.

Cons:

1. Labor Costs: While the sensor itself is relatively inexpensive, labor costs for replacement can add up, especially if you're not doing the work yourself.

2. Potential for False Positives: Sometimes, a faulty O2 sensor can cause the check engine light to come on even when the sensor itself is functioning correctly. This can lead to unnecessary repair costs.

3. Availability: Depending on the specific model and year of your vehicle, it may be more challenging to find a compatible O2 sensor.

Conclusion:

In conclusion, buying a TO21F-12928 AS438P O2 sensor for Honda Accord, Odyssey, Pilot, Acura MDX, RDX, ZDS, and RL models with an upstream location can provide several benefits, including improved fuel efficiency, better engine performance, reduced emissions, and a longer engine lifespan. However, there are also some cons, such as labor costs, potential false positives, and availability.

Recommendation:

If you're experiencing symptoms of a faulty O2 sensor, such as poor engine performance, increased fuel consumption, or a check engine light, it may be worth investing in a new sensor to restore optimal engine performance and prevent potential engine damage. When shopping for a sensor, ensure that you purchase a compatible part from a reputable supplier to avoid any potential issues with false positives or compatibility. Additionally, consider checking with your local mechanic or dealership for labor costs and availability to help ensure a smooth and cost-effective repair process.

Details:

There're many different codes for specific functional failures, which are NOT necessarily relevant to the sensor. Gently install the new oxygen sensor by hand while keeping wiring and connector free from bends. Note: some replacement sensors have a universal electrical connector that must be configured to the wiring of old sensor. Step 3 - Then, locate and disconnect the wiring connector, this step should be done before removing sensor if is still attached.

ONLY a defective sensor after tested by voltmeter is applied to manufacturer warranty. New List Item. How to install the oxygen sensor. Exhaust emissions reach undesirable levels.

Your catalytic converter fails unexpectedly. A reduction in fuel economy. Step 1 - Some sensors are equipped with a heat shield that must be removed before the sensor removal, this is performed by removing any mounting bolts. Must Know Before Buying.

If the car has diagnostic trouble codes, they will need to be cleared. If Check Engine Light is on or an OBDII Trouble/Fault code occurs after installation, check the sensor with a voltmeter as below. Check engine light on. The following information is for instructional and guidance reference only.

Step 5 - Use a small wire brush to help clean the threaded port ensure proper seal of new sensor. Step 2 - By using a regular socket it minimizes potential damage to the sensor body and threads, this technique helps avoid stripping old upon removal. Oxygen Sensors Location. If the sensor is good, further diagnosis required.

specifications acrasensor:

  • for models: Mdx, Rdx, Rl, Accord, Odyssey, Pilot
  • for makes: Honda, Acura
  • brand: Topower
  • mpn: To12928as438p
  • part type: Sensor
  • manufacturer warranty: 1 Year
  • sensor type: Oxygen Sensor
  • fitment type: Direct Replacement

offer acrasensor:

  • availability: In Stock
  • sold: 0
  • options: Ship-to-home
  • started: January 29, 2026

payments acrasensor:

  • wallet: Apple-pay
  • other
  • credit card: Mastercard

general acrasensor:

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

shipping acrasensor:

  • type: Fixed
  • class: Economy
  • cost: $0.00
  • service: FedEx Ground Economy
  • transit: 4-7 Days
  • carrier: FedEx

returns acrasensor:

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

seller acrasensor:

  • city: Ontario, California
  • rating: 100.0%
  • # reviews: 46943
for models: mdx, rdx, rl, accord, odyssey, pilot, for makes: honda, acura, part type: sensor, manufacturer warranty: 1 year, sensor type: oxygen sensor, fitment type: direct replacement,
category: auto parts > car truck parts accessories > air fuel delivery > acura air intake fuel sensors, sku: 5712317912601782,
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