NTK 24473 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor for Acura and Honda

NTK 24473 is a direct fit heated oxygen sensor built for specific downstream applications on select Acura and Honda vehicles. It is engineered for the B1S2 position and matches OE-style fit, form, and function for service replacement on the 2013-2017 Honda Accord and 2015-2020 Acura TLX.

Key Features

• Direct fit, specific application oxygen sensor
• Heated sensor design for downstream exhaust monitoring
• 4-wire configuration with threaded mounting
• 18 mm thread diameter
• 11.5 in. wiring harness length
• Built to meet or exceed OE specifications during manufacturing testing

Product Details

NTK 24473 is part of the Direct Fit Oxygen Sensor line, a product line focused on OE-style replacement coverage for import and domestic vehicles. NTK applies ceramic sensor manufacturing expertise and OE application knowledge to deliver a sensor that supports accurate exhaust feedback in the downstream location. This part cross-references Bosch 18050 for the same application. For drivers searching for a downstream oxygen sensor for 2013-2017 Honda Accord or 2015-2020 Acura TLX, NTK 24473 provides a direct replacement option with the correct connector and mounting style.

What It Helps Address

• Check engine light related to downstream oxygen sensor faults
• Incorrect air-fuel feedback from a worn B1S2 sensor
• Slow sensor response or signal irregularities
• Emissions test failures tied to oxygen sensor performance
• Replacement needs after sensor contamination or age-related wear

Installation Notes and Tips

Verify the vehicle’s year, make, model, and downstream B1S2 location before installation. This sensor uses a threaded mounting design and a 4-wire heated configuration, so connector match and harness routing should be checked against the original part. Confirm the 18 mm thread diameter and harness length during comparison to the removed sensor. Compatible applications include Fits 2015-2020 Acura TLX, Downstream, and Fits 2013-2017 Honda Accord, Downstream.

Quality Assurance

NTK manufactures oxygen sensors with extensive testing during production to support quality and reliability that meet or exceed OE specifications. As the Sensor Specialist and a major OE oxygen sensor supplier, NTK 24473 is backed by OE-focused engineering for Acura TLX and Honda Accord service replacement.