NTK 22519 Oxygen Sensor - Upstream
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NTK
 Direct Fit Oxygen Sensor

NTK 22519 Oxygen Sensor - Upstream

Brand NTK 22519
Position Upstream
Wiring Harness Length 13.2500
Sensor Type Heated
Universal Or Specific Fit Specific
Wire Quantity 4
Thread Diameter 18.000
Mounting Type Threaded
Product line Direct Fit Oxygen Sensor
Fits Mazda · 2 vehicles

Direct-fit replacement. Specific-fit oxygen sensor for straightforward installation in the correct application.

Heated design. Built with a 4-wire configuration for accurate exhaust feedback and stable operation.

OE-focused engineering. NTK uses ceramic sensor technology and manufacturing controls from raw material to finished part.

Cross-references Bosch 15316, DENSO Auto Parts 234-4750 and 75-2568 for the same application. See all 7.

$89.41Free shipping
In stock · usually ships same day before 1pm CST
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Order total $89.41
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Direct-Fit Oxygen Sensor

NTK oxygen sensor 22519 is a specific-fit, heated sensor built for emission control applications. It is engineered for direct replacement use and supports accurate exhaust monitoring in compatible systems.

  • Heated oxygen sensor with a threaded mounting design
  • Specific-fit application for straightforward replacement
  • 4-wire configuration for the correct electrical connection
  • 13.2500-inch wiring harness length for application-specific routing
  • 18.000 thread diameter for proper sensor installation

Fitment Details

Fits 2000-2001 Mazda MPV, upstream. Application notes: located in the exhaust pipe before the catalyst; B1S2; federal emissions; OE equivalent design; direct fit oxygen sensor.

This part cross-references Bosch 15316 and DENSO Auto Parts 234-4750 for the same application.

NTK, part number 22519, is backed by the brand’s OE-focused sensor manufacturing expertise. As part of the NGK family, NTK uses ceramic technology and manufacturing controls from raw material through finished sensor, with testing intended to meet or exceed OE specifications.

Used For

  • Replacing a worn or slow-responding oxygen sensor
  • Restoring proper exhaust feedback for engine management
  • Addressing sensor-related fault codes in emission systems
  • Correcting drivability issues tied to inaccurate air-fuel data

Installation Notes

Install as a threaded, direct-fit oxygen sensor using the application-specific harness length and wire count. Verify the upstream location and emissions configuration before installation. Use the vehicle’s service information for connector routing and sensor placement.

Quality Assurance

NTK tests these oxygen sensors during manufacturing to support quality and reliability that meet or exceed OE specifications. Part number 22519 is built for specific-fit applications and OE-style performance expectations.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001MazdaMPV2.5LV6UpstreamLocated in Exhaust Pipe Before Catalyst; B1S2; Federal Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor
2000MazdaMPV2.5LV6UpstreamLocated in Exhaust Pipe Before Catalyst; B1S2; Federal Emissions; OE Equivalent Design; Direct Fit Oxygen Sensor
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 15316DENSO Auto Parts — 234-475075-2568213-2975GY0518861A9UOS1731SG977