NTK 24243 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor for Honda Civic

NTK Oxygen Sensor 24243 is a direct fit, heated oxygen sensor built for specific applications. It is engineered for the 2004-2005 Honda Civic downstream position and is made to match OE-style fit, form, and function for the B1S2 location.

As part of NTK’s Direct Fit Oxygen Sensor line, this sensor reflects the brand’s focus on application-specific coverage for import and domestic vehicles. NTK uses ceramic manufacturing expertise and OE application knowledge to deliver a sensor that aligns with original equipment requirements for the Honda Civic.

Key Features

• Direct fit oxygen sensor for specific vehicle applications
• Heated sensor design for faster operating readiness
• 4-wire configuration
• Threaded mounting type with 18.000 mm thread diameter
• 23.5000 wiring harness length
• Compatible With 2004-2005 Honda Civic, downstream
• Part number 24243 for OE-style replacement lookup

Application Details

NTK 24243 is a downstream oxygen sensor for the 2004-2005 Honda Civic. It is intended for the B1S2 oxygen sensor location and is built as a specific-fit replacement for vehicles that require the listed configuration. If you are searching for a 2004 Honda Civic downstream oxygen sensor or a 2005 Honda Civic B1S2 oxygen sensor replacement, this part number is the relevant match.

This part cross-references Bosch 15479 for the same application.

What It Helps Address

• Check engine light related to oxygen sensor performance
• Incorrect air-fuel ratio feedback from a worn sensor
• Slow sensor response during closed-loop operation
• Emissions test failures tied to downstream sensor faults
• Replacement needs for a damaged or aging Honda Civic oxygen sensor

Installation Notes

Verify the downstream location and connector configuration before installation. Confirm the thread diameter, wire count, and harness length match the original sensor on the vehicle. For best results, compare the old sensor’s routing and mounting style to the NTK 24243 before final installation.

Quality Assurance

NTK is a major original equipment oxygen sensor supplier and manufacturer, and its sensors are extensively tested during production to meet or exceed OE specifications. The 24243 is part of NTK’s Direct Fit Oxygen Sensor line, which is built to support accurate application matching for import and domestic vehicles.