NTK 24458 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor for Mazda 3

NTK Direct Fit Oxygen Sensor 24458 is a heated, threaded replacement sensor built for specific applications and OE-style fitment. It is engineered for downstream use on select 2010-2013 Mazda 3 and Mazda 3 Sport models, including non-SkyActiv engine applications.

As part of NTK’s Direct Fit Oxygen Sensor line, this sensor focuses on correct connector fit, proper wiring length, and OE application coverage for import and domestic vehicles. NTK 24458 is a practical choice when replacing a downstream B1S2 oxygen sensor on a Mazda 3 or Mazda 3 Sport.

Key Features

• Direct Fit Oxygen Sensor for specific vehicle applications
• Heated sensor design for downstream exhaust monitoring
• 4-wire configuration for OE-style signal control
• 18 mm threaded mounting type
• 12.5 in. wiring harness length
• OE-focused coverage from NTK, a major oxygen sensor manufacturer

Product Details

NTK 24458 is a downstream oxygen sensor for select Mazda compact cars, including 2010-2013 Mazda 3 and 2010-2013 Mazda 3 Sport applications. It is listed for B1S2 positions and meets OEM standards for the covered vehicles. This part number also cross-references Bosch 18041 for the same application.

NTK’s Direct Fit Oxygen Sensor line is built around application-specific coverage and OE-style performance. NTK controls ceramic sensor production from raw material through finished product, and the brand supplies original equipment oxygen sensors globally. That manufacturing focus supports consistent fit, form, and function for service replacement work.

Common Replacement Reasons

• Check engine light related to downstream oxygen sensor faults
• Incorrect oxygen sensor signal or slow sensor response
• Emissions test failure tied to exhaust monitoring issues
• Rough fuel control caused by a worn heated O2 sensor
• Need for a direct-fit replacement on Mazda 3 or Mazda 3 Sport

Installation Notes

Confirm the vehicle is a 2010-2013 Mazda 3 or 2010-2013 Mazda 3 Sport with the listed downstream B1S2 application before ordering. Verify the threaded mounting location, 4-wire connector style, and harness routing against the original sensor. For best results, inspect the exhaust bung threads and connector condition before installation.

Quality Assurance

NTK manufactures oxygen sensors with extensive production testing to help ensure quality and reliability that meet or exceed OE specifications. The brand’s OE supply background and application-specific coverage make NTK 24458 a dependable service replacement for the listed Mazda applications.