HomeEmission Control > SensorsNTK 24234 Oxygen Sensor - Upstream
Part #: 24234

NTK 24234 Oxygen Sensor - Upstream

Direct Fit Oxygen Sensor, Upstream
⚙️ 6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct Fit Oxygen Sensor, Upstream
🚗Fitment: Mazda, 5 and 3
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Overview of NTK Direct Fit Oxygen Sensor 24234

The NTK Direct Fit Oxygen Sensor 24234 is designed specifically for Mazda 3 and Mazda 5 models. This heated oxygen sensor features a threaded mounting type and a precise 18mm thread diameter, ensuring a secure and accurate fit for emission control systems.

  • Heated oxygen sensor for improved response time
  • Specific fit for Mazda 3 and Mazda 5 vehicles
  • Threaded mounting with 18mm thread diameter
  • 18-inch wiring harness length for optimal installation
  • Four-wire configuration for reliable signal transmission

Detailed Product Description

This NTK oxygen sensor, part number 24234, belongs to the Direct Fit Oxygen Sensor product line, which is engineered to provide exact replacement sensors tailored to specific vehicle applications. The Direct Fit Oxygen Sensor line ensures compatibility and ease of installation by matching OEM specifications, including wiring harness length and connector type. This sensor is heated, which helps it reach operating temperature faster, improving fuel efficiency and reducing emissions.

With a wire quantity of four, this sensor supports both the heater circuit and the signal circuit, providing accurate oxygen level readings to the engine control unit. The 18-inch wiring harness length offers sufficient reach for straightforward installation without the need for extensions or modifications. The threaded mounting type with an 18mm diameter matches factory specifications for a secure fit in the exhaust system.

Compatible Vehicles and Applications

This oxygen sensor is compatible with the following Mazda models:

  • Mazda 3
  • Mazda 5

It is designed to replace the factory oxygen sensor in these vehicles, ensuring proper emission control and engine performance.

Common Issues Addressed by This Oxygen Sensor

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture
  • Increased emissions failing vehicle inspections
  • Engine hesitation or rough idling caused by sensor malfunction
  • Failed oxygen sensor diagnostic trouble codes (DTCs)

Installation Notes and Tips

  • Ensure the vehicle is cool before sensor removal to avoid burns
  • Use an oxygen sensor socket or appropriate tool for removal and installation
  • Do not over-tighten; torque to manufacturer specifications
  • Check wiring harness length and connector compatibility before installation
  • Clear any diagnostic trouble codes after installation to reset the engine control unit

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The Direct Fit Oxygen Sensor 24234 undergoes rigorous testing to ensure reliable operation in Mazda 3 and Mazda 5 vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandNTK
Part Number24234
PositionDirect Fit Oxygen Sensor, Upstream
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length18.0000

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2007Mazda52.3LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2006Mazda52.3LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2005Mazda32.3LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2005Mazda32.0LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2004Mazda32.3LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2004Mazda32.0LL4UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

13769234-439675-3374ES20389LF6618861C9USG1662

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.