NTK 24481 Oxygen Sensor - Downstream

Direct-Fit Oxygen Sensor

NTK 24481 is a direct-fit heated oxygen sensor built for specific applications and threaded installation. It is engineered with a 4-wire layout and an 18 mm thread diameter for a precise replacement in emission control service.

Fits 2016-2022 Acura ILX, downstream. This NTK oxygen sensor is part of the Direct Fit Oxygen Sensor line, which focuses on streamlined coverage and OE-style application matching for import and domestic vehicles.

Key Features

• Heated oxygen sensor for faster operating response.
• Specific-fit design for direct replacement service.
• 4-wire configuration with threaded mounting.
• 18 mm thread diameter for the listed application.
• NTK 24481 is backed by OE-focused engineering and manufacturing.

Detailed Description

NTK 24481 is an emission control oxygen sensor for the Acura ILX, downstream, covering 2016-2022 model years. The sensor uses a threaded mounting style, heated sensing element, and 4-wire construction to match the listed application requirements. As part of NTK's Direct Fit Oxygen Sensor line, it is built around specific-fit coverage and OE application technology. NTK 24481 is manufactured with ceramic expertise and tested during production to meet or exceed OE specifications.

Common Issues It May Solve

• Fault codes related to downstream oxygen sensor performance.
• Incorrect air-fuel feedback from a worn sensor.
• Emissions test failures tied to sensor response.
• Rough running caused by inaccurate exhaust oxygen readings.
• Replacement needs after sensor aging or contamination.

Installation Notes and Tips

Verify the downstream location and connector/wire configuration before installation. Confirm thread diameter and mounting style against the removed sensor to ensure proper replacement. Use the listed fitment for the Acura ILX and match the application exactly to the vehicle year.

Quality Assurance

NTK states that these oxygen sensors are extensively tested during manufacturing and built to meet or exceed OE specifications. NTK is part of the NGK family of products and is recognized as a major original equipment oxygen sensor supplier.