DENSO QS286HW Upstream Air Fuel Level Sensor K20A3

( Brand: Denso ), ( Manufacturer Part Number: QS286HW ), ( Part Type: Fuel Sensor ), ( Placement On Vehicle: Upstream ), ( Manufacturer Warranty: 12 Month Warranty ), ( Info: Air / Fuel Ratio Sensor Oe Style Denso Is The O.e. Manufa. ), ( Years: 2002 2004 2003 02 04 03 ), ( Fitment: Acura Rsx Air Fuel Ratio Sensor ), ( Cs-sku: 400 )

Review DENSO Upstream Air Fuel Ratio Sensor Acura fits RSX 2002–2004

The Denso QS286HW Upstream Air Fuel Ratio Sensor is a crucial component of the fuel delivery system in certain models of the Acura RSX, specifically those equipped with the K20A3 engine manufactured between 2002 and 2004, and the 2003 model year. This sensor plays a vital role in maintaining optimal engine performance by continuously measuring the air-fuel mixture entering the engine's combustion chamber.

The Denso QS286HW Upstream Air Fuel Ratio Sensor is an advanced, wide-band sensor capable of detecting subtle changes in the air-fuel ratio within the engine. It features a heated oxygen sensor element to ensure quick and accurate responses in various driving conditions, ensuring that the engine receives the correct fuel-air mixture for maximum efficiency and reduced emissions. The sensor's upstream positioning allows it to monitor the air-fuel ratio before the engine's catalytic converter, ensuring precise adjustments for optimal engine performance.

The Denso QS286HW Upstream Air Fuel Ratio Sensor is a plug-and-play replacement, meaning it is designed to directly replace the OEM (original equipment manufacturer) sensor without the need for any modifications or additional components. The sensor comes with a new, high-temperature electrical connector, ensuring a secure and reliable electrical connection.

This sensor is manufactured under Denso's stringent quality control standards, ensuring that it meets or exceeds OEM specifications. Denso is a leading global supplier of advanced automotive technology, known for its commitment to innovation, quality, and reliability. By choosing the Denso QS286HW Upstream Air Fuel Ratio Sensor, you can trust that you are installing a high-quality, reliable, and durable replacement part that will help keep your Acura RSX performing at its best.

In summary, the Denso QS286HW Upstream Air Fuel Ratio Sensor is an essential component for maintaining optimal engine performance on certain models of the Acura RSX. Its advanced design and precise measurement capabilities ensure accurate air-fuel ratio readings, leading to improved fuel efficiency, reduced emissions, and better overall engine performance. With its plug-and-play design and high-quality construction, the Denso QS286HW Upstream Air Fuel Ratio Sensor is an excellent choice for anyone seeking a reliable and durable replacement sensor for their Acura RSX.

Denso QS286HW Upstream Air Fuel Sensor for 2002-2004 Acura RSX K20A3 (2003) - Pros, Cons, and Conclusion

The Denso QS286HW Upstream Air Fuel Sensor is a crucial component for maintaining the proper air-fuel mixture in the engine of a 2002-2004 Acura RSX K20A3 (2003). This sensor plays a significant role in the vehicle's fuel efficiency, emissions control, and overall performance. In this analysis, we will discuss the advantages and disadvantages of using the Denso QS286HW Upstream Air Fuel Sensor.

1. OEM Quality: Denso is a well-known and trusted manufacturer of automotive parts. Using an OEM (Original Equipment Manufacturer) part like the Denso QS286HW ensures a precise fit and optimal performance.

2. Improved Fuel Efficiency: A faulty air fuel sensor can cause the engine to run rich or lean, leading to increased fuel consumption. Replacing the sensor with a new one, such as the Denso QS286HW, can help restore fuel efficiency.

3. Enhanced Emissions Control: Proper air-fuel mixture is essential for optimal emissions control. The Denso QS286HW sensor ensures accurate readings, allowing the engine management system to adjust fuel injection accordingly.

4. Longer Longevity: Replacing a worn-out sensor with a new one, like the Denso QS286HW, can help prevent potential issues related to misfires, engine knocking, and poor performance.

1. Cost: The Denso QS286HW sensor is not the cheapest option on the market. However, considering its precision and durability, it may be a worthwhile investment for those seeking optimal performance and longevity.

2. Installation Complexity: Installing the Denso QS286HW sensor may require some technical expertise. It is recommended to consult the vehicle's service manual or seek professional assistance for a proper installation.

The Denso QS286HW Upstream Air Fuel Sensor offers several advantages, including OEM quality, improved fuel efficiency, enhanced emissions control, and longer longevity. However, it comes with a higher price tag and requires a certain level of installation expertise. Ultimately, the decision to invest in the Denso QS286HW sensor depends on the vehicle owner's priorities, budget, and technical capabilities.

If you are looking for a reliable and precise air fuel sensor for your 2002-2004 Acura RSX K20A3 (2003), the Denso QS286HW is an excellent choice. Its OEM quality and accurate readings ensure optimal engine performance and efficient fuel consumption. However, if budget is a concern, consider researching alternative sensors from reputable manufacturers to find a more cost-effective option. Always ensure that the chosen sensor is compatible with your vehicle and meets or exceeds the required specifications.

Details:

Condition: New Notes: Air / Fuel Ratio Sensor - OE DENSO is.E. Easy installation. Manufactured to detect the amount of exhaust gas air fuel ratio. Manufacturer / Direct Fit Air Fuel Ratio Sensor; OE.

Features zircon solid electrolyte. Vehicle Fitment Information, , 2002 - 2004 Acura RSXK20A3Manual. Highly accurate. Constructed from durable material.

part #: qs286hw prices

• $96.50-$291.37

specifications acrasensor:

• for models: Rsx
• for makes: Acura
• for years: 2002-2004
• brand: Denso
• mpn: Qs286hw
• part type: Fuel Sensor
• placement on vehicle: Upstream
• manufacturer warranty: 12 Month Warranty
• info: Air / Fuel Ratio Sensor Oe Style Denso Is The O.e. Manufa.
• years: 2002 2004 2003 02 04 03
• fitment: Acura Rsx Air Fuel Ratio Sensor
• cs-sku: 400

returns acrasensor:

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

general acrasensor:

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

seller acrasensor:

• rating: 95.1%
• # reviews: 90802
• city: Foxboro, Massachusetts

offer acrasensor:

• options: Ship-to-home
• started: May 30, 2025
• quantity: 1
• availability: In Stock
• sold: 0

shipping acrasensor:

• carrier: FedEx
• class: Standard
• cost: $0.00
• transit: 4-7 Days
• service: FedEx Ground or FedEx Home Delivery
• type: Fixed

payments acrasensor:

• other
• credit card: Discover
• wallet: Google-pay

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