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  3. AISIN OXSAZ-00009

AISIN OXSAZ-00009 Upstream Oxygen Sensor 12581997 O2

fits model: Mdx, Tl, Accord, Pilot. make: Honda, Acura. year: 2003–2008.

Oxsaz-00009 Aisin Upstream Oxygen O2 Sensor For Honda Accord Pilot Acura Mdx Tl 2003-2008

( Brand: Aisin ), ( Manufacturer Part Number: OXSAZ-00009 ), ( Type: Oxygen Sensor ), ( Placement On Vehicle: Upstream ), ( Oe/oem Part Number: 36531rdv004, 36531rdma01, 1821358j01, 36531po7003, 12581687 ), ( Manufacturer Warranty: 1 Year ), ( Country Of Origin: China ), ( Ipn: 12581997 ), ( California Prop 65 Warning: Yes ), ( Compatible Make: Honda, Acura, Saturn ), ( Terminal Gender: Male ), ( Connector Shape: Rectangle ), ( Engine: V6 3.0l, V6 3.2l, V6 3.5l ), ( Overall Length: In ), ( Quantity: One Piece ), ( Fitment Type: Direct Replacement )

Review AISIN Upstream Oxygen O2 Sensor Honda Acura fits ACCORD PILOT MDX TL 2003–2008

The AISIN OXSZ-00009 Upstream Oxygen Sensor is a crucial component of the automotive exhaust system in select Honda Accord, Pilot, Acura MDX, and TL models produced between 2003 and 2008. This sensor plays an essential role in ensuring the efficient combustion of fuel and maintaining optimal engine performance.

The OXSZ-00009 is an upstream oxygen sensor, meaning it is located closer to the engine, near the exhaust manifold. Its primary function is to measure the amount of unburnt oxygen in the exhaust gases exiting the engine. This information is then used by the vehicle's engine control unit (ECU) to calculate the ideal fuel-air mixture for the engine, ensuring a balanced combustion process.

This oxygen sensor is a heated zirconia sensor, which means it contains a heating element to maintain an optimal operating temperature. The sensor's ceramic sensing element is coated with a thin layer of zirconia, which changes color in response to the oxygen content in the exhaust gases. The resistance of the sensor changes accordingly, allowing the ECU to determine the oxygen level and adjust the fuel mixture accordingly.

The AISIN OXSZ-00009 Upstream Oxygen Sensor is designed to last for a long period, but it may wear out or fail due to various reasons, such as prolonged exposure to high temperatures or contamination by harmful substances in the exhaust gases. When the sensor fails, it can lead to a check engine light and potentially affect the vehicle's fuel efficiency and performance.

Installing a new AISIN OXSZ-00009 Upstream Oxygen Sensor can help restore the vehicle's optimal engine performance and improve its fuel efficiency. The sensor comes with a gasket and a new electrical connector to ensure a secure and reliable connection during installation. It is recommended to follow the manufacturer's instructions carefully when installing the new sensor to ensure proper functionality and avoid any potential complications.

In summary, the AISIN OXSZ-00009 Upstream Oxygen Sensor is a crucial component of the exhaust system in select Honda and Acura vehicles, responsible for measuring the oxygen content in exhaust gases and ensuring the ideal fuel-air mixture for the engine. This heated zirconia sensor is designed for long-lasting performance but may wear out or fail, requiring replacement to restore optimal engine performance and improve fuel efficiency.

Upgrading to the AISIN OXSZ-00009 Upstream Oxygen Sensor: A Worthwhile Investment for Honda Accord, Pilot, Acura MDX, and TL (2003-2008)?

Introduction:

The upstream oxygen sensor, also known as the lambda sensor, is a crucial component that plays a significant role in maintaining optimal engine performance and fuel efficiency. The AISIN OXSZ-00009 is an aftermarket option that is compatible with various Honda and Acura models, including the Accord, Pilot, MDX, and TL from the 2003-2008 periods. In this analysis, we will evaluate the potential benefits and drawbacks of upgrading to this sensor.

Pros:

1. Improved Engine Performance: The AISIN OXSZ-00009 upstream oxygen sensor offers enhanced accuracy compared to the original equipment sensor. This improvement results in better engine performance and a smoother driving experience.

2. Fuel Efficiency: By providing more precise data to the engine control unit (ECU), the AISIN sensor can optimize fuel injection and combustion, resulting in improved fuel efficiency.

3. Durability: The AISIN OXSZ-00009 oxygen sensor is designed to be more robust and resistant to failure than the original equipment sensor. This durability can save vehicle owners from the cost and inconvenience of frequent replacements.

4. Cost-Effective: Although the upfront cost of the AISIN oxygen sensor may be higher than the OEM counterpart, the potential for fuel savings and longer lifespan can result in a net cost benefit over time.

5. OEM Replacement: The AISIN OXSZ-00009 is designed as a direct replacement for the original equipment sensor. This means that installation is straightforward, and no additional modifications are necessary.

Cons:

1. Upfront Cost: The AISIN OXSZ-00009 oxygen sensor may have a higher upfront cost compared to the original equipment sensor from the dealership. However, this cost can be offset by potential fuel savings and a longer lifespan.

2. Availability: The AISIN OXSZ-00009 may not be readily available at local auto parts stores, requiring vehicle owners to order it online. This inconvenience may add to the overall installation time.

3. Installation Complexity: Although the installation process is generally straightforward, there is still a risk of error. Improper installation could lead to increased emissions, decreased fuel efficiency, or potentially damaging the engine.

Conclusion:

The decision to upgrade to the AISIN OXSZ-00009 upstream oxygen sensor for Honda Accord, Pilot, Acura MDX, and TL (2003-2008) depends on individual circumstances and priorities. For those seeking improved engine performance, enhanced fuel efficiency, and a more durable sensor, the AISIN option presents a compelling choice. However, the upfront cost and potential installation complexity may deter some vehicle owners. Ultimately, careful consideration of these factors and a thorough cost-benefit analysis can help determine whether the AISIN OXSZ-00009 is a worthwhile investment.

Recommendation:

For those who prioritize improved engine performance, enhanced fuel efficiency, and a more durable oxygen sensor, we recommend upgrading to the AISIN OXSZ-00009. Vehicle owners should carefully consider the upfront cost and installation process, ensuring they are prepared for these challenges. By doing so, they can potentially enjoy the benefits of this upgraded sensor while mitigating potential drawbacks.

Details:

part #: oxsaz00009 prices

  • $89.99-$119.99

specifications acrasensor:

  • for models: Mdx, Tl, Accord, Pilot
  • for makes: Honda, Acura
  • for years: 2003-2008
  • brand: Aisin
  • mpn: Oxsaz-00009
  • type: Oxygen Sensor
  • placement on vehicle: Upstream
  • oe/oem part number: 36531rdv004, 36531rdma01, 1821358j01, 36531po7003, 12581687
  • manufacturer warranty: 1 Year
  • country of origin: China
  • ipn: 12581997
  • california prop 65 warning: Yes
  • compatible make: Honda, Acura, Saturn
  • terminal gender: Male
  • connector shape: Rectangle
  • engine: V6 3.0l, V6 3.2l, V6 3.5l
  • overall length: In
  • quantity: One Piece
  • fitment type: Direct Replacement

returns acrasensor:

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

shipping acrasensor:

  • transit: 2-5 Days
  • type: Fixed
  • class: Standard, Expedited, One-day
  • cost: $0.00
  • service: Standard, Expedited, Overnight

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seller acrasensor:

  • rating: 99.6%
  • city: California
  • # reviews: 1764

general acrasensor:

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

offer acrasensor:

  • started: February 26, 2026
  • sold: 0
  • options: Ship-to-home
  • quantity: 2
  • availability: In Stock
for models: mdx, tl, accord, pilot, for makes: honda, acura, for years: 2003-2008, type: oxygen sensor, placement on vehicle: upstream, oe/oem part number: 36531rdv004, 36531rdma01, 1821358j01, 36531po7003, 12581687, manufacturer warranty: 1 year, country of origin: china, california prop 65 warning: yes, compatible make: honda, acura, saturn, terminal gender: male, connector shape: rectangle, engine: v6 3.0l, v6 3.2l, v6 3.5l, overall length: in, quantity: one piece, fitment type: direct replacement,
category: auto parts > car truck parts accessories > air fuel delivery > acura air intake fuel sensors, sku: 5793640899622663,
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