NTK 24433 Oxygen Sensor - Downstream

NTK Direct Fit Oxygen Sensor for Acura RDX

NTK Part Number 24433 is a direct fit heated oxygen sensor built for specific applications, including the 2007-2012 Acura RDX downstream B1S2 position. It is engineered with a 4-wire layout, threaded mounting, and a 19-inch wiring harness for OE-style replacement on import and domestic vehicles.

Key Features

• Direct fit oxygen sensor for specific vehicle applications
• Heated sensor design for downstream exhaust monitoring
• 4-wire configuration for factory-style electrical connection
• 18 mm thread diameter with threaded mounting
• 19-inch wiring harness length
• Built by NTK, the Sensor Specialist and a major OE oxygen sensor supplier

Product Details

NTK Direct Fit Oxygen Sensor 24433 is part of the NTK oxygen sensor line, which focuses on OE application coverage and precise fit, form, and function. For the Acura RDX, this sensor matches the downstream B1S2 location and is listed for 2007-2012 Acura RDX models. The NTK 24433 is manufactured with ceramic technology and tested during production to meet or exceed OE specifications for quality and reliability.

This part cross-references DENSO Auto Parts 234-4351 and BBB Industries 13715 for the same application.

What It Helps Address

• Check engine light related to downstream oxygen sensor faults
• Incorrect oxygen sensor voltage or response readings
• Emissions system faults tied to the Acura RDX exhaust monitoring circuit
• Rough fuel control caused by a failing heated oxygen sensor
• Replacement needs after sensor aging, contamination, or wiring damage

Installation Notes

Install this sensor in the downstream B1S2 position on 2007-2012 Acura RDX models. Verify the threaded mounting, 18 mm thread diameter, 4-wire connector layout, and harness routing before installation. Use the vehicle’s factory service information to confirm connector location and exhaust sensor placement before final fitment.

Quality Assurance

NTK manufactures oxygen sensors with OE-focused coverage and extensive production testing to support consistent performance and reliability. As part of the NGK family of products, NTK applies ceramic manufacturing expertise and application-specific engineering to its direct fit sensor line.