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  3. TRQ 19NBSF91

TRQ 19NBSF91 Downstream Oxygen Sensor

fits model: Rdx, Tlx. make: Acura. year: 2019–2021.

19nbsf91 Trq Downstream Oxygen Sensor For Acura Rdx Tlx 2019 2020 2021

( Brand: Trq ), ( Manufacturer Part Number: 19NBSF91 ), ( Type: Oxygen Sensor ), ( Placement On Vehicle: Downstream ), ( Fits 1: 2019-2021 Acura Rdx ), ( Fits 2: 2021 Acura Tlx ), ( Fit Note: O2 Oxygen Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review TRQ Downstream Oxygen Sensor Acura fits RDX TLX 2019–2021

19NBSF91 Downstream Oxygen Sensor for Acura RDX, TLX (2019-2021)

The 19NBSF91 Downstream Oxygen Sensor, specifically designed for Acura RDX and TLX models produced between 2019 and 2021, is an essential component in maintaining your vehicle's engine performance and fuel efficiency. This oxygen sensor plays a crucial role in the vehicle's exhaust system, constantly monitoring the oxygen content in your car's exhaust gases to ensure optimal engine operation.

This advanced oxygen sensor features a narrowed and shortened sensing element, which allows it to provide quick and accurate readings of oxygen levels in the exhaust stream. This information is then used by the vehicle's engine control unit to adjust the air-fuel mixture for efficient combustion. A faulty oxygen sensor could result in decreased fuel economy, poor engine performance, and even increased emissions.

The 19NBSF91 Oxygen Sensor is a heated type, meaning it includes a heating element that ensures the sensor accurately measures oxygen levels in the exhaust gases at both cold and warm engine temperatures. This feature is crucial for ensuring consistent engine performance throughout various driving conditions.

This oxygen sensor is manufactured to meet or exceed original equipment specifications (OES). It is made of high-quality materials and undergoes rigorous testing to ensure durability and reliability. The sensor's compact design allows for easy installation, making it a top choice for vehicle owners seeking a replacement part that offers both functionality and convenience.

By investing in a genuine 19NBSF91 Downstream Oxygen Sensor for your Acura RDX or TLX (2019-2021), you can guarantee optimal engine performance, improved fuel efficiency, and reduced emissions. This sensor is a worthwhile investment for those who want to ensure their vehicle is running at its best and to maintain its resale value.

Pros and Cons of Buying a (19NBSF91) Downstream Oxygen Sensor for Acura RDX, TLX (2019-2021)

Introduction:

The (19NBSF91) Downstream Oxygen Sensor is a crucial component in the emissions system of Acura RDX and TLX models from 2019 to 2021. Replacing a faulty sensor can help improve the vehicle's performance and pass emissions tests. In this analysis, we will discuss the pros and cons of purchasing this oxygen sensor.

Pros:

1. Improved Fuel Efficiency: A faulty oxygen sensor can lead to inefficient fuel consumption. Replacing the sensor with a new one can help restore the vehicle's fuel efficiency.

2. Enhanced Engine Performance: A new oxygen sensor can provide accurate readings to the vehicle's engine control unit (ECU), leading to smoother engine operation and improved overall performance.

3. Passing Emissions Tests: A faulty oxygen sensor can cause the Check Engine Light (CEL) to illuminate, preventing the vehicle from passing emissions tests. Replacing the sensor can help resolve this issue.

4. Cost-Effective: Replacing the oxygen sensor is generally a cost-effective repair compared to other potential engine repairs.

Cons:

1. Labor Costs: The cost of labor for replacing the oxygen sensor can be significant, especially if you choose to have the work done at a dealership or repair shop.

2. Potential for Additional Repairs: A faulty oxygen sensor can be a symptom of a more significant issue within the vehicle's emissions system. Replacing the sensor may only be a temporary fix if there are other underlying problems.

3. Time Investment: Replacing the oxygen sensor requires some time investment, either by doing the repair yourself or by scheduling an appointment with a repair shop.

Conclusion:

The (19NBSF91) Downstream Oxygen Sensor is a vital component in the emissions system of Acura RDX and TLX models from 2019 to 2021. Replacing a faulty sensor offers several benefits, such as improved fuel efficiency, enhanced engine performance, and the ability to pass emissions tests. However, there are also cons to consider, including labor costs, potential for additional repairs, and time investment. Ultimately, the decision to purchase and install a new oxygen sensor depends on the vehicle's condition, the owner's budget, and their preference for DIY repairs or professional services.

Recommendation:

If you are experiencing issues with your vehicle's Check Engine Light or suspect a faulty oxygen sensor, consider the pros and cons carefully before making a decision. If you are comfortable with the time investment and cost, you may opt to replace the sensor yourself. Alternatively, you can consider taking your vehicle to a professional repair shop for an evaluation. Regardless of your choice, ensure that you use a high-quality, OEM (Original Equipment Manufacturer) replacement oxygen sensor for optimal performance and longevity.

Details:

Downstream Oxygen Sensor 19NBSF91 for Acura RDX TLX 2019 2020 2021: Position: Brand: TRQ condition: New, Notes O2 Sensor, Detailed Applications Vehicle Engine, 2019 - 2021 RDX2.0L 4 Cl, TLX2.0L Cl.

part #: 19nbsf91 price

  • $46.83

specifications acrasensor:

  • for models: Rdx, Tlx
  • for makes: Acura
  • for years: 2019-2021
  • brand: Trq
  • mpn: 19nbsf91
  • type: Oxygen Sensor
  • placement on vehicle: Downstream
  • fits 1: 2019-2021 Acura Rdx
  • fits 2: 2021 Acura Tlx
  • fit note: O2 Oxygen Sensor
  • manufacturer warranty: 12 Month Warranty
  • attention: Please Read All Notes To Confirm Fitment
  • cs-sku: 400

offer acrasensor:

  • options: Ship-to-home
  • quantity: 6
  • started: October 10, 2025
  • sold: 0
  • availability: In Stock

seller acrasensor:

  • rating: 91.0%
  • # reviews: 52759
  • city: Somerset, Massachusetts

general acrasensor:

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

shipping acrasensor:

  • cost: $0.00
  • transit: 5-8 Days
  • service: Standard
  • class: Standard
  • type: Fixed

returns acrasensor:

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

payments acrasensor:

  • other
  • credit card: Diners-club
  • wallet: Paypal
for models: rdx, tlx, for makes: acura, for years: 2019-2021, type: oxygen sensor, placement on vehicle: downstream, fits 1: 2019-2021 acura rdx, fits 2: 2021 acura tlx, fit note: o2 oxygen sensor, manufacturer warranty: 12 month warranty, attention: please read all notes to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > air fuel delivery > acura air intake fuel sensors, sku: 5396832565536781,
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  • New. Offer #1 priced at $46.83 + $0.00 shipping estimate = $46.83* total. Condition: New. 2021 Acura TLX 2.0L 4 Cyl.FREE SHIPPING

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