WALKER 91ZVCQN27 Downstream Oxygen Sensor

( Brand: Walker ), ( Manufacturer Part Number: 91ZVCQN27 ), ( Type: Oxygen Sensor ), ( Placement On Vehicle: Downstream ), ( Fits 1: 2004-2008 Acura Tsx ), ( Fit Note: Oe Replacement B1s2 ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review WALKER Downstream Oxygen Sensor Acura fits TSX 2004–2008

Introducing the Walker 91ZVCQN27 Downstream Oxygen Sensor, a precision-engineered component designed specifically for select Acura Tsx models from 2004 to 2008, including the years 2005, 2006, and 2007. This oxygen sensor is a crucial part of your vehicle's exhaust system, ensuring optimal engine performance and fuel efficiency.

The Walker 91ZVCQN27 Downstream Oxygen Sensor is a high-quality replacement part, engineered to meet or exceed original equipment manufacturer (OEM) specifications. It is designed to monitor the amount of unburnt oxygen in your vehicle's exhaust stream. This information is then fed back to the engine management system, allowing it to adjust the air/fuel mixture for optimal combustion.

This sensor is made using advanced zirconia technology, which provides excellent sensitivity and durability. The ceramic sensor element is coated with a thin, porous layer of zirconia, allowing it to react quickly to changes in oxygen concentration. The sensor is also equipped with a heated element, which helps ensure accurate readings in cold weather conditions.

The Walker 91ZVCQN27 Downstream Oxygen Sensor is manufactured to exacting standards, ensuring a perfect fit and reliable performance. It also comes with a comprehensive warranty, giving you peace of mind and protecting your investment.

In summary, the Walker 91ZVCQN27 Downstream Oxygen Sensor is a must-have component for any Acura Tsx owner looking to maintain optimal engine performance and fuel efficiency. Its advanced zirconia technology ensures accurate readings, while its durable design provides long-lasting performance. Order yours today and experience the difference a high-quality replacement part can make.

Buying a Walker 911631 Walker Downstream Oxygen Sensor for Acura TL/TLS/CL/CS/RL/RS models including 2004, 2005, 2006, 2007, and 2008 comes with several pros and cons. Let's examine each aspect:

1. OEM Equivalent: This sensor is an OEM (Original Equipment Manufacturer) equivalent, meaning it is designed to match the specifications and functionality of the original sensor.

2. High-Quality Material: Walker is a well-known brand in the automotive industry, and this sensor is manufactured using high-quality materials.

3. Improved Performance: A faulty oxygen sensor can affect fuel efficiency and engine performance. Replacing it with a new one can help improve these aspects.

4. Easy Installation: Installing the sensor is a relatively simple process that can be done by most DIY enthusiasts with basic tools and knowledge.

5. Cost-Effective: Buying this aftermarket sensor is often more cost-effective compared to buying a new OEM sensor from a dealership.

1. Potential for Counterfeit Parts: Since this is an aftermarket part, there is a risk of purchasing counterfeit or low-quality parts from unscrupulous sellers. Ensure to buy from a reputable dealer to avoid this issue.

2. May Not Last as Long as OEM: Although this sensor is manufactured to high standards, it may not last as long as the original sensor due to the varying driving conditions and usage.

3. Risk of Damage During Installation: There is a risk of damaging the new sensor during installation, especially if the vehicle's wiring is not handled carefully.

In conclusion, the Walker 911631 Downstream Oxygen Sensor for Acura TL/TLS/CL/CS/RL/RS models (2004, 2005, 2006, 2007, and 2008) is a cost-effective and high-quality alternative to buying a new OEM sensor. However, it is essential to consider the potential risks such as counterfeit parts and damage during installation. To mitigate these risks, it is recommended to buy from a reputable dealer and exercise caution during installation. If you are unsure about the installation process, consider seeking professional help to ensure the sensor is installed correctly and safely.

Details:

Downstream Oxygen Sensor Walker 91ZVCQN27 for Acura TSX 2005 2007 2006 2004 2008: Position: Brand: condition: New, Notes OE Replacement B1S2 Features: Measures oxygen levels to fine-tune air-fuel mixture, improving fuel economy and saving costs. Coating prevents contamination and erosion of the electrode surfaces by combustion residue particulates in exhaust gases. Wiring Harness length : 1070mm. Detailed Applications Vehicle Engine, 2004 - 2008 Acura TSX2.4L 4 Cl.

Monitors exhaust gases and reduces pollutants for a cleaner environment. Coated in with electrodes made of a gas-permeable platinum layer. Sensor Type: Narrow-Band. Determines the oxygen content of exhaust gas, monitoring air fuel ratio for combustion efficiency.

part #: 91zvcqn27 price

• $59.87

specifications acrasensor:

• for models: Tsx
• for makes: Acura
• for years: 2004-2008
• brand: Walker
• mpn: 91zvcqn27
• type: Oxygen Sensor
• placement on vehicle: Downstream
• fits 1: 2004-2008 Acura Tsx
• fit note: Oe Replacement B1s2
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

offer acrasensor:

• started: May 13, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 6

returns acrasensor:

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

seller acrasensor:

• rating: 97.3%
• # reviews: 58008
• city: Phoenix, Arizona

shipping acrasensor:

• service: Standard
• class: Standard
• cost: $0.00
• type: Fixed
• transit: 3-7 Days

general acrasensor:

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

payments acrasensor:

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

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