NTK
Direct Fit Oxygen Sensor

NTK 24640 Oxygen Sensor - Downstream Left

Brand NTK 24640
Position Downstream Left
Wiring Harness Length 30.7500
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 Nissan · 2 vehicles

Direct fit design. Application-specific replacement for straightforward sensor service.

Heated 4-wire sensor. Supports accurate exhaust feedback and stable heater circuit operation.

OE-focused engineering. Built by NTK, a major original equipment oxygen sensor supplier.

Cross-references Bosch 15967, Delphi ES20217 and DENSO Auto Parts 234-4776 for the same application. See all 10.

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Direct Fit Oxygen Sensor for Nissan Sentra

The NTK 24640 is a direct fit heated oxygen sensor built for specific applications with threaded mounting and a 4-wire design. It is engineered for accurate exhaust monitoring and OE-style fitment on select Nissan Sentra models.

Key Features

  • Heated oxygen sensor with a specific-fit design
  • 4-wire configuration for proper signal and heater circuit operation
  • Threaded mounting type with 18 mm thread diameter
  • 30.75 in. wiring harness length
  • NTK 24640 direct fit replacement

Detailed Description

NTK 24640 is part of the Direct Fit Oxygen Sensor line, which focuses on application-specific replacement sensors for import and domestic vehicles. NTK draws on its OE sensor manufacturing background and ceramic technology to deliver fit, form, and function that align with original equipment expectations. This oxygen sensor is a heated, threaded unit with a specific application design, making it a practical choice for restoring exhaust feedback performance on compatible Nissan Sentra vehicles. This part cross-references Bosch 15967 and Delphi ES20217 for the same application.

What It Is Used For

  • Replacing a failed oxygen sensor that triggers emissions-related fault codes
  • Restoring proper air-fuel ratio feedback to the engine control system
  • Addressing poor fuel control caused by slow or inaccurate sensor response
  • Correcting exhaust monitoring issues on affected Nissan Sentra applications

Installation Notes and Tips

Fits 2000 Nissan Sentra, Downstream Left. Fits 2001 Nissan Sentra, Downstream Left. Verify the connector style, thread size, and harness length before installation. The fitment notes exclude Clean Air Vehicle applications for the 2001 model year and specify OE equivalent direct fit construction.

Quality Assurance

NTK states that its oxygen sensors are extensively tested during manufacturing to meet or exceed OE specifications. The brand is part of the NGK family of products and is recognized as a major original equipment oxygen sensor supplier.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2001NissanSentra1.8LL4Downstream LeftB1S2; Exc. Clean Air Vehicle; Black Connector; OE Equivalent Design; Direct Fit Oxygen Sensor
2000NissanSentra1.8LL4Downstream LeftB1S2; Exc. Clean Air Vehicle; OE Equivalent Design; Direct Fit Oxygen Sensor
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 15967Delphi — ES20217DENSO Auto Parts — 234-477675-2704213-3022226A05M012OS1720OS2104SG966SG1271