HomeEmission Control > SensorsNTK 24278 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Part #: 24278

NTK 24278 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Direct Fit Oxygen Sensor, Downstream
4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Direct Fit Oxygen Sensor, Downstream
Fitment: Suzuki, Aerio and Grand Vitara
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 24278

The NTK Direct Fit Oxygen Sensor 24278 is designed to provide precise air-fuel mixture readings for improved engine performance and emissions control. This heated oxygen sensor features a specific fitment, ensuring compatibility with select vehicle makes and models requiring an 18mm threaded sensor.

  • Heated oxygen sensor for faster response times
  • Specific fit design for direct replacement
  • Threaded mounting type with 18mm thread diameter
  • Four-wire configuration for accurate signal transmission
  • 23.5-inch wiring harness length for optimal installation

About the NTK Direct Fit Oxygen Sensor Line

The Direct Fit Oxygen Sensor line by NTK focuses on providing sensors that match OEM specifications for exact fit and function. This line is engineered to simplify installation and maintain vehicle emissions compliance by using precise wiring and mounting configurations. The 24278 sensor is part of this line, offering a heated sensor with a threaded mounting type and a four-wire setup tailored for specific vehicle applications.

Detailed Product Description

The NTK 24278 oxygen sensor is a heated sensor designed to quickly reach operating temperature, improving the accuracy of oxygen level readings in the exhaust system. Its 18mm threaded mounting ensures a secure and leak-free fit in the exhaust manifold or pipe. The sensor’s four-wire design supports both the heating element and signal wires, enhancing durability and signal reliability. With a 23.5-inch wiring harness, this sensor provides sufficient length for straightforward routing and connection to the vehicle’s engine control unit.

Common Applications and Issues Addressed

  • Restores proper air-fuel ratio readings for improved fuel efficiency
  • Helps resolve check engine light codes related to oxygen sensor failure
  • Reduces emissions by ensuring accurate exhaust gas monitoring
  • Prevents rough idling and engine hesitation caused by faulty sensors
  • Supports compliance with emissions testing requirements

Installation Notes and Tips

Installation of the NTK 24278 oxygen sensor requires a compatible vehicle with an 18mm threaded sensor port. Ensure the engine is cool before removal to avoid burns. Use an oxygen sensor socket or appropriate wrench to remove the old sensor. Verify the wiring harness length and connector match the vehicle’s harness to avoid electrical issues. Apply anti-seize compound to the threads if recommended by the vehicle manufacturer to facilitate future removal.

Quality Assurance and Warranty

NTK oxygen sensors undergo rigorous testing to meet OEM standards for durability and performance. The Direct Fit Oxygen Sensor 24278 is manufactured to provide reliable operation under typical driving conditions. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region and application.

BrandNTK
Part Number24278
PositionDirect Fit Oxygen Sensor, Downstream
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length23.5000

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2000SuzukiGrand Vitara2.5LV6Downstream RightReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2000SuzukiGrand Vitara2.5LV6Downstream LeftB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
1999SuzukiGrand Vitara2.5LV6Downstream RightReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
1999SuzukiGrand Vitara2.5LV6Downstream LeftB1S2 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:

1304113759137661821354G001821367D10213-3107234-4033234-422575-336775-3372ES20373OS5162

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