NTK 24685 Oxygen Sensor - Downstream or Upstream
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NTK
 Direct Fit Oxygen Sensor

NTK 24685 Oxygen Sensor - Downstream or Upstream

Brand NTK 24685
Position Downstream and Upstream
Wiring Harness Length 20.7500
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 Suzuki · 3 vehicles

Direct fit design. Specific-fit oxygen sensor for straightforward replacement applications.

Heated sensor. Helps the sensor reach operating temperature faster for responsive feedback.

OE-focused engineering. NTK tests oxygen sensors during manufacturing for quality and reliability.

Cross-references DENSO Auto Parts 234-4227 and 1821365G21 for the same application. See all 2.

$84.74Free shipping
In stock · usually ships same day before 1pm CST
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Order total $84.74
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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 Overview

NTK Oxygen Sensor 24685 is a specific-fit, heated oxygen sensor built for direct replacement applications. It uses a threaded mounting design and a 4-wire configuration with a 20.75-inch harness for the listed Suzuki Esteem applications.

Key Features

  • Heated oxygen sensor for faster operating response.
  • Specific-fit design for direct replacement use.
  • Threaded mounting with 18 mm thread diameter.
  • 4-wire construction with 20.75-inch wiring harness.
  • NTK 24685 is part of the Direct Fit Oxygen Sensor line.

Fitment Details

Compatible with 2001-2002 Suzuki Esteem, downstream. Fits 2001 Suzuki Esteem, upstream, Bank 1 Sensor 1 air/fuel ratio application. This part cross-references DENSO Auto Parts 234-4227 for the same application.

Common Replacement Uses

  • Replacing a worn oxygen sensor that triggers emissions-related fault codes.
  • Restoring proper air-fuel ratio feedback to the engine control system.
  • Addressing slow sensor response or heater circuit issues.
  • Correcting drivability problems tied to inaccurate exhaust oxygen readings.

Installation Notes and Quality

Verify the connector, harness length, thread size, and sensor position before installation. Use the listed fitment details to match upstream or downstream placement exactly. NTK manufactures oxygen sensors with OE-focused engineering and extensive production testing to meet or exceed original equipment specifications.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersPositionNotes
2002SuzukiEsteemWagon1.8LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
2001SuzukiEsteemWagon1.8LL4DownstreamDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
2001SuzukiEsteem—1.6LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
DENSO Auto Parts — 234-42271821365G21