NTK 72BXCH31 Oxygen Sensor

( Brand: Ntk ), ( Manufacturer Part Number: 72BXCH31 ), ( Type: Oxygen Sensor ), ( Fits 1: 1986-1991 Acura Integra ), ( Fits 2: 1986-1990 Acura Legend ), ( Fit Note: Oe Connector ), ( Important Notice: Oe Type ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review NTK Oxygen Sensor Acura fits INTEGRA LEGEND 1986–1991

The NGK 72BXCH31 Oxygen Sensor is a crucial component of the exhaust system in various Acura Integra and Legend models from 1986 to 1991, including the 1987, 1988, 1989, 1990, and 1991 versions. This sensor plays a significant role in maintaining the optimal fuel-air mixture in the engine, ensuring that it runs smoothly and efficiently.

The NGK 72BXCH31 Oxygen Sensor is a heated zirconia sensor, which means it uses a heating element to bring the sensor up to operating temperature quickly. Once the sensor reaches temperature, it measures the amount of unburnt oxygen in the exhaust gases and sends that information to the engine control module. Based on this data, the engine control module can adjust the fuel-air mixture to keep the engine running at peak performance.

The sensor has a threaded design and is approximately 5.8 inches long and 1.2 inches in diameter. It features a high-temperature ceramic insulator and a robust stainless steel housing, ensuring durability and resistance to corrosion. The sensor's electrical connections are made with high-quality wires that can withstand the harsh conditions of the exhaust system.

NGK, a leading supplier of automotive sensors, manufactures this oxygen sensor according to strict quality standards to ensure reliable and accurate performance. The sensor comes with a built-in heater element that consumes only a minimal amount of electrical power and can be controlled by the engine control module.

Installing the NGK 72BXCH31 Oxygen Sensor is a straightforward process, and it is recommended to replace it every 30,000 to 60,000 miles or whenever the check engine light comes on, depending on driving conditions. By using a high-quality replacement sensor like the NGK 72BXCH31, you can maintain the performance and longevity of your Acura Integra or Legend.

Buying an NGK 72bxCH31 oxygen sensor for your Acura Integra or Legend from the years 1986 to 1991 comes with several pros and cons. These considerations can help you make an informed decision.

1. OEM Compatibility: The NGK 72bxCH31 oxygen sensor is an original equipment manufacturer (OEM) replacement part. This ensures a perfect fit and reliable performance for your vehicle.

2. Improved Fuel Efficiency: A faulty oxygen sensor can lead to poor fuel economy. Replacing it with a new one can help restore optimal fuel efficiency.

3. Enhanced Engine Performance: The oxygen sensor plays a crucial role in maintaining the correct air-fuel mixture inside the engine. Installing a new sensor can lead to improved engine performance.

4. Longer Lifespan: High-quality aftermarket sensors like the NGK 72bxCH31 can last longer than original OEM sensors.

5. Cost-Effective: While not the cheapest option, purchasing an aftermarket sensor like the NGK 72bxCH31 can be more cost-effective in the long run than buying OEM parts from a dealership.

1. Potential for Counterfeit Parts: The aftermarket can have counterfeit or low-quality parts that may not meet your expectations. Be sure to buy from a trusted supplier to avoid this risk.

2. Installation Complexity: Depending on your mechanical skills, installing the oxygen sensor yourself may require some effort and time.

3. Cost: Although more cost-effective in the long run, the initial cost of an aftermarket sensor can be higher than a used OEM sensor or even a rebuilt one.

4. Risk of Damage During Installation: Improper installation can lead to sensor damage, which may require additional repairs and costs.

In conclusion, purchasing an NGK 72bxCH31 oxygen sensor for your Acura Integra or Legend offers several advantages, including OEM compatibility, improved fuel efficiency, enhanced engine performance, and a longer lifespan. However, potential drawbacks include the risk of counterfeit parts, installation complexity, and cost. If you're confident in your mechanical skills and want a reliable, high-quality replacement, the NGK 72bxCH31 oxygen sensor is a solid choice. If you're on a tight budget, you might consider exploring other options, such as rebuilt or used sensors. Ultimately, the decision depends on your priorities, budget, and mechanical abilities.

Details:

Vehicle, Position: Upstream, 1986 - 1990 Acura Legend. Firewall side, Position: Downstream, 1986 - 1987 Acura Legend. Vehicle, Position: Downstream, 1988 - 1990 Acura Legend. Oxygen Sensor 72BXCH31 for Acura Integra Legend 1987 1990 1991 1989 1988 1986: Brand: NTK condition: New, Notes OE Connector Remark Type, OEM Detailed Applications Vehicle, 1986 - 1989.

Vehicle, Fitment Notes: At rear exhaust manifold.

part #: 72bxch31 price

• $67.20

specifications acrasensor:

• for models: Integra, Legend
• for makes: Acura
• for years: 1986-1991
• brand: Ntk
• mpn: 72bxch31
• type: Oxygen Sensor
• fits 1: 1986-1991 Acura Integra
• fits 2: 1986-1990 Acura Legend
• fit note: Oe Connector
• important notice: Oe Type
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

seller acrasensor:

• city: Austin, Texas
• rating: 91.3%
• # reviews: 52899

shipping acrasensor:

• class: Standard
• service: Standard
• type: Fixed
• cost: $0.00
• transit: 4-7 Days

general acrasensor:

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

offer acrasensor:

• quantity: 5
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: October 16, 2025

payments acrasensor:

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

returns acrasensor:

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

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