NTK 24829 Air / Fuel Ratio Sensor - Upstream
OE Quality 60-Day Returns
NTK
 Direct Fit 4-Wire A/F Sensor

NTK 24829 Air / Fuel Ratio Sensor - Upstream

Brand NTK 24829
Position Upstream
Mounting Bracket Included No
Sensor Type Heated
Thread Diameter 18.000
Thread Length 0.38
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 8.8
Product line Direct Fit 4-Wire A/F Sensor
Fits Mazda · 10 vehicles

Direct fit design. Helps deliver superior fit, form, and function.

Heated sensor. Supports faster operation and reliable emissions control.

OE-spec tested. Manufactured to meet or exceed original equipment standards.

Cross-references AP Exhaust 18122, DENSO Auto Parts 234-9088 and DENSO Auto Parts 234-9093 for the same application. See all 7.

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NTK Direct Fit A/F Sensor for Mazda MX-5 Miata

NTK Part Number 24829 is a direct fit heated air/fuel ratio sensor for select Mazda MX-5 Miata applications. It is built for upstream Bank 1 Sensor 1 placement and uses a 4-wire, specific-fit design for OE-style replacement on 2006-2015 Mazda MX-5 Miata models.

Key Features

  • Direct fit air/fuel ratio sensor for upstream installation
  • Heated sensor design for faster operating temperature
  • Specific-fit configuration for the listed Mazda application
  • 4-wire harness design with 8.8 in. wiring harness length
  • 18 mm thread diameter with 0.38 in. thread length
  • No mounting bracket included

Product Details

NTK Part Number 24829 is part of the Direct Fit 4-Wire A/F Sensor line, a product family focused on OE-style replacement sensors with application-specific fitment. NTK develops oxygen and air/fuel ratio sensors with ceramic-based manufacturing control and extensive testing to support consistent fit, form, and function. For Mazda MX-5 Miata owners, this sensor is specified for upstream Bank 1 Sensor 1 service and is listed for 2006-2015 Mazda MX-5 Miata models.

This part cross-references DENSO Auto Parts 234-9088 for the same application.

Common Issues This Sensor May Address

  • Check engine light related to air/fuel ratio sensor performance
  • Rough idle caused by inaccurate upstream sensor readings
  • Fuel trim faults from a slow or degraded sensor signal
  • Emissions test failure tied to sensor response issues
  • Driveability concerns from incorrect exhaust oxygen feedback

Installation Notes and Tips

Install this sensor in the upstream Bank 1 Sensor 1 location on the listed Mazda MX-5 Miata applications. Confirm connector style, thread size, and harness routing before installation. Because this is a specific-fit sensor, verify the vehicle year and engine application against the catalog listing before replacement. Use proper anti-seize practices only if approved by the service procedure for the vehicle and sensor.

Quality Assurance

NTK is a major original equipment oxygen sensor manufacturer, and this sensor is manufactured and tested to meet or exceed OE specifications for fit and reliability. The Direct Fit 4-Wire A/F Sensor line is engineered to support accurate replacement on import and domestic applications, including the Mazda MX-5 Miata.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2015MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2014MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2013MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2012MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2011MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2010MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2009MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2008MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2007MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
2006MazdaMX-5 Miata2.0LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit 4-Wire A/F Sensor
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 18122DENSO Auto Parts — 234-9088DENSO Auto Parts — 234-9093Dorman - HELP — 1578475-4022LFG1188G1ALFN1188G1A