NTK 24372 Air / Fuel Ratio Sensor - Upstream Front or Upstream Rear

NTK Direct Fit Air/Fuel Ratio Sensor

NTK Part Number 24372 is a direct-fit heated air/fuel ratio sensor built for specific Honda and Acura applications. It uses a 5-wire design with OE-style fit, form, and function for upstream engine management on select 2012-2020 vehicles.

As part of NTK’s Direct Fit 5-Wire A/F Sensor line, this sensor reflects the brand’s focus on original-equipment coverage and application-specific replacement parts. NTK manufactures oxygen and air/fuel sensors with ceramic-based technology and production testing aimed at consistent signal performance and reliable operation.

Key Features

• Direct Fit 5-Wire A/F Sensor for specific applications
• Heated sensor design for faster operating temperature
• 10.5 in. wiring harness length
• 18.000 mm thread diameter with 0.38 in. thread length
• Specific fit for select Acura MDX, RDX, RLX, TLX and Honda Accord, Crosstour, Odyssey, Pilot, and Ridgeline applications
• OE cross-reference support for common replacement searches

Detailed Description

NTK 24372 is an upstream air/fuel ratio sensor for select Acura and Honda models, including 2012-2020 Honda Pilot, 2012-2019 Honda Ridgeline, 2013-2017 Honda Accord, 2014-2017 Honda Odyssey, 2013-2015 Honda Crosstour, 2013-2018 Acura RDX, 2014-2020 Acura MDX, 2014-2020 Acura RLX, and 2015-2020 Acura TLX. This part number is also searched as NTK 24372 for OE-style replacement needs on these vehicles.

The sensor is a specific-fit, heated 5-wire unit with an 18 mm thread diameter and a 10.5-inch harness. It is intended for upstream rear and upstream front positions listed in the fitment data, including Bank 1 Sensor 1 and Bank 2 Sensor 1 applications. This part cross-references Bosch 18083 and DENSO Auto Parts 234-5056 for the same application.

What It Helps Address

• Check engine light related to air/fuel ratio sensor performance
• Incorrect fuel trim readings
• Rough idle or drivability concerns tied to upstream sensor data
• Emission system fault codes on supported Honda and Acura models
• Delayed closed-loop fuel control after startup

Installation Notes and Tips

• Verify the exact year, make, model, engine, and emissions calibration before ordering.
• Match the listed upstream position and bank/sensor callout to the vehicle service information.
• Inspect the connector, harness routing, and exhaust threads before installation.
• Use proper sensor removal tools and anti-seize only if specified by the service procedure.
• Clear diagnostic trouble codes and confirm live data after installation.

Quality Assurance

NTK is a major original-equipment oxygen sensor supplier and uses manufacturing controls and testing to meet OE-level specifications for fit and function. The Direct Fit 5-Wire A/F Sensor line is built for application-specific replacement on import and domestic vehicles, including Honda and Acura platforms.