NTK 24648 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor for Nissan Maxima

Restore accurate exhaust feedback with this NTK direct fit oxygen sensor, part number 24648. It is a specific-fit, heated sensor built with a threaded mounting design and a 4-wire configuration for straightforward replacement service.

• Heated oxygen sensor for faster operating response.
• Specific-fit design for direct replacement service.
• Threaded mounting type for secure installation.
• 21.75-inch wiring harness length for application-specific routing.
• 18 mm thread diameter for the listed application.

Fitment and application details

Fits 2000 Nissan Maxima, downstream. This application is listed as B1S2 with Federal Emissions and OE equivalent design notes. For buyers searching for a 2000 Nissan Maxima downstream oxygen sensor, NTK 24648 matches the confirmed fitment data for this vehicle.

NTK is part of the NGK family and is known for oxygen sensor manufacturing across import and domestic applications. The brand uses ceramic-focused production methods and extensive manufacturing tests to support fit, form, and function that align with OE expectations. If you are replacing a downstream sensor on a Nissan Maxima, part number 24648 is built around that direct-fit service need.

What this part helps address

• Check engine light related to oxygen sensor performance.
• Incorrect air-fuel feedback from a worn sensor.
• Slow sensor response during closed-loop operation.
• Exhaust monitoring faults on the downstream circuit.

Installation notes and quality

Confirm the downstream location, connector routing, and thread size before installation. Use the vehicle’s service procedure for removal and torque specifications, and inspect the harness path for heat damage or abrasion. NTK 24648 is manufactured and tested to meet or exceed OE specifications for quality and reliability.