NTK
Direct Fit 5-Wire A/F Sensor

NTK 24368 Air / Fuel Ratio Sensor - Upstream

Brand NTK 24368
Position Upstream
Wiring Harness Length 19.0
Sensor Type Heated
Thread Length 0.38
Universal Or Specific Fit Specific
Wire Quantity 5
Thread Diameter 18.000
Mounting Bracket Included No
Product line Direct Fit 5-Wire A/F Sensor
Fits Mazda · 4 vehicles

Direct-fit design. Matches the original sensor configuration for easier replacement.

Heated 5-wire sensor. Built for precise signal control and stable engine management feedback.

OE-focused manufacturing. NTK tests sensors during production to meet or exceed OE specifications.

Cross-references Bosch 15788, DENSO Auto Parts 234-5058 and LFJD188G1A for the same application. See all 3.

$169.45Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $169.45
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Direct-Fit Air/Fuel Sensor

NTK part 24368 is a direct-fit heated air/fuel ratio sensor for specific Mazda applications. It is built for upstream use on non-SkyActiv engines and follows the original equipment style expected for accurate air/fuel monitoring.

Key Features

  • Heated 5-wire sensor design for precise signal control.
  • Specific-fit application for straightforward replacement.
  • 19.0-inch wiring harness length for OE-style routing.
  • 18.000 mm thread diameter with 0.38 thread length.
  • NTK 24368 is manufactured to meet or exceed OE specifications.

Detailed Description

NTK 24368 is an emission control air/fuel ratio sensor engineered for upstream placement on 2012-2013 Mazda 3 and 2012-2013 Mazda 3 Sport with non-SkyActiv engines. As part of NTK's Direct Fit 5-Wire A/F Sensor line, it is designed to match the original sensor configuration for proper installation and signal performance. The NTK 24368 uses heated sensor technology and OE-style dimensions to support accurate feedback in the engine management system. NTK is a major original equipment oxygen sensor supplier, and this part reflects that OE-focused manufacturing approach.

This part cross-references Bosch 15788 and DENSO Auto Parts 234-5058 for the same application.

What It Is Used For

  • Replacing a failed upstream air/fuel ratio sensor.
  • Addressing check engine lights related to sensor performance.
  • Restoring proper air/fuel feedback for engine control.
  • Correcting drivability issues tied to inaccurate mixture readings.

Installation Notes and Tips

Verify the vehicle is a 2012-2013 Mazda 3 or Mazda 3 Sport with a non-SkyActiv engine and upstream sensor location before ordering. Confirm connector style, thread size, and harness length against the original unit. The mounting bracket is not included.

Quality Assurance

NTK tests these sensors during manufacturing to help ensure quality and reliability that meet or exceed OE specifications. Part number 24368 is backed by NTK's OE application expertise and original equipment manufacturing background.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013Mazda32.0LL4UpstreamB1S1; Non-SkyActiv Eng.; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2013Mazda3 Sport2.0LL4UpstreamB1S1; Non-SkyActiv Eng.; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2012Mazda32.0LL4UpstreamB1S1; Non-SkyActiv Eng.; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
2012Mazda3 Sport2.0LL4UpstreamB1S1; Non-SkyActiv Eng.; OE MFR: NTK; Direct Fit 5-Wire A/F Sensor
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 15788DENSO Auto Parts — 234-5058LFJD188G1A