NGK 66VJKN46 Downstream Oxygen Sensor

( Brand: Ngk ), ( Manufacturer Part Number: 66VJKN46 ), ( Type: Oxygen Sensor ), ( Placement On Vehicle: Downstream ), ( Fits 1: 2009-2014 Acura Tsx ), ( Fit Note: Direct Fit Oxygen Sensor B1s2; Oe Manufacturer ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review NGK Downstream Oxygen Sensor Acura fits TSX 2009–2014

TheNGK 66VJKN46 Downstream Oxygen Sensor is an essential component of the exhaust system in select AcuraTSX models from 2009 to 2014, including the years 2011, 2010, 2012, and 2013. This sensor plays a crucial role in maintaining optimal engine performance and fuel efficiency by monitoring the amount of unburnt oxygen in the exhaust gases.

This oxygen sensor, manufactured byNGK Spark Plug Co., Ltd., is a zirconia type sensor with a hexagonal shape and a threaded base for easy installation. It features a ceramic sensor element that converts the oxygen content in the exhaust gas into an electrical signal, which is then sent to the engine control module (ECM) for analysis.

The sensor housing is made of a durable material that can withstand the extreme temperatures and corrosive nature of exhaust gases. The sensor tip is coated with a protective ceramic layer to prevent fouling and ensure accurate readings over an extended period.

TheNGK 66VJKN46 Downstream Oxygen Sensor is designed to meet or exceed OEM specifications for superior performance and reliability. It is engineered to provide precise and consistent readings to ensure optimal fuel-air mixture and efficient combustion.

When replacing the oxygen sensor, it is essential to use a new sensor that matches the exact specifications of your vehicle to ensure proper functionality and avoid potential issues. Installing a newNGK 66VJKN46 Downstream Oxygen Sensor can help improve engine performance, reduce emissions, and enhance fuel economy.

In summary, theNGK 66VJKN46 Downstream Oxygen Sensor is an essential component of the exhaust system for select AcuraTSX models. It is a zirconia type sensor with a hexagonal shape and a threaded base, designed to monitor the oxygen content in the exhaust gases and provide accurate readings to the engine control module for optimal engine performance and fuel efficiency. This sensor is manufactured byNGK Spark Plug Co., Ltd., and is engineered to meet or exceed OEM specifications for superior performance and reliability.

The Ngk 66VJKN46 downstream oxygen sensor is a crucial component in the exhaust system of Acura Tsx models from 2009 to 2013, including the years 2010, 2011, 2012, 2013, and 2014. This sensor measures the amount of unburnt oxygen in the exhaust gases and sends this data to the engine control unit, enabling the vehicle to maintain optimal fuel-air mixture and emissions levels.

1. OEM Equivalence: This sensor is an original equipment manufacturer (OEM) replacement part, ensuring a perfect fit and function in your Acura Tsx.

2. Improved Fuel Efficiency: A faulty oxygen sensor can cause the engine to run inefficiently, wasting fuel. Replacing it with a new one, like the Ngk 66VJKN46, can help improve fuel economy.

3. Better Emissions Performance: The downstream oxygen sensor is essential for maintaining optimal emissions levels. A new sensor ensures the vehicle complies with emissions regulations and helps reduce harmful pollutants.

4. Smoother Engine Performance: A faulty oxygen sensor can lead to rough idling, misfiring, and stalling. Installing a new sensor, like the Ngk 66VJKN46, can help restore smooth engine performance.

5. Longer Service Life: The Ngk 66VJKN46 downstream oxygen sensor comes with a longer service life compared to aftermarket alternatives, ensuring fewer replacement costs in the future.

1. Cost: Original equipment manufacturer (OEM) parts, like the Ngk 66VJKN46, tend to be more expensive than aftermarket alternatives.

2. Availability: Depending on your location, the Ngk 66VJKN46 downstream oxygen sensor might not be readily available at local auto parts stores and may require ordering online or from a dealership.

In conclusion, the Ngk 66VJKN46 downstream oxygen sensor is an essential component for maintaining optimal engine performance, fuel efficiency, and emissions in Acura Tsx models from 2009 to 2013. While it comes with some disadvantages, such as cost and availability, the benefits, including OEM equivalence, improved emissions performance, smoother engine operation, and longer service life, make it a worthwhile investment.

Recommendation: If you own an Acura Tsx from 2009 to 2013 and are experiencing issues related to the downstream oxygen sensor, it is recommended to replace it with a new OEM part, like the Ngk 66VJKN46. This investment will help restore engine performance, improve fuel efficiency, and ensure optimal emissions levels.

Details:

Downstream Oxygen Sensor 66VJKN46 for Acura TSX 2014 2011 2009 2010 2012 2013: Position: Brand: NGK condition: New, Notes Direct Fit B1S2; OE Manufacturer: NTK Features: Equipped with specified, water-resistant connectors and harness accessory hardware easy installation. OE development includes vibration and thermal shock testing. Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior fit, form, function. NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off response times with best durability.

Detailed Applications Vehicle Engine, 2009 - 2014 Acura TSX2.4L 4 Cl. Meets or exceeds OEM specifications.

part #: 66vjkn46 price

• $77.29

specifications acrasensor:

• for models: Tsx
• for makes: Acura
• for years: 2009-2014
• brand: Ngk
• mpn: 66vjkn46
• type: Oxygen Sensor
• placement on vehicle: Downstream
• fits 1: 2009-2014 Acura Tsx
• fit note: Direct Fit Oxygen Sensor B1s2; Oe Manufacturer
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

seller acrasensor:

• # reviews: 52891
• rating: 91.3%
• city: Brook Park, Ohio

shipping acrasensor:

• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard
• transit: 2-6 Days

returns acrasensor:

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

offer acrasensor:

• sold: 0
• options: Ship-to-home
• started: October 15, 2025
• quantity: 6
• availability: In Stock

payments acrasensor:

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

general acrasensor:

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

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