HomeEmission Control > SensorsNTK 24173 Oxygen Sensor - Downstream
Part #: 24173

NTK 24173 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor, Downstream
3 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Direct Fit Oxygen Sensor, Downstream
Fitment: Mazda, CX-7
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of NTK Direct Fit Oxygen Sensor 24173

The NTK Direct Fit Oxygen Sensor 24173 is designed specifically for the Mazda CX-7, ensuring precise compatibility and reliable performance. This heated oxygen sensor features a threaded mounting type and a 28.25-inch wiring harness, tailored to meet the exact specifications of your vehicle.

  • Heated oxygen sensor for faster response times
  • Specific fit for Mazda CX-7 models
  • 28.25-inch wiring harness length for optimal installation
  • Threaded mounting type with 18mm thread diameter
  • Four-wire configuration for accurate signal transmission

Detailed Product Features and Specifications

The NTK Direct Fit Oxygen Sensor 24173 is engineered with a heated sensor element, which helps the sensor reach operating temperature quickly, improving fuel efficiency and emissions control. The sensor’s 18mm threaded mounting type ensures a secure and precise fit in the exhaust system of the Mazda CX-7. With a wiring harness length of 28.25 inches and four wires, this sensor provides reliable connectivity and signal accuracy. The specific fit design eliminates the need for modifications, making it a direct replacement part.

Application and Common Issues Addressed

  • Restores accurate air-fuel mixture readings for Mazda CX-7
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by ensuring proper emissions control
  • Reduces exhaust emissions by maintaining optimal sensor function
  • Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

When installing the NTK Direct Fit Oxygen Sensor 24173, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 28.25-inch wiring harness length provides flexibility during installation, but verify connector compatibility with your Mazda CX-7. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications.

Quality Assurance and Warranty

NTK’s Direct Fit Oxygen Sensor line is manufactured to meet OEM standards, providing reliable performance and durability. This oxygen sensor undergoes rigorous testing to ensure it meets emission control requirements for the Mazda CX-7. While specific warranty details are not provided here, NTK products typically come with a limited warranty covering defects in materials and workmanship.

BrandNTK
Part Number24173
PositionDirect Fit Oxygen Sensor, Downstream
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length28.2500

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012MazdaCX-72.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011MazdaCX-72.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010MazdaCX-72.5LL4DownstreamB1S2 oxygen sensor meets OEM standards.; 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:

18040234-4466L55618861A

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