NTK
Direct Fit Oxygen Sensor

NTK 24454 Oxygen Sensor - Downstream

Brand NTK 24454
Position Downstream
Wiring Harness Length 20.5000
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 Toyota · 5 vehicles

Direct fit design. Built for specific applications with OE-style fit, form, and function.

Heated sensor. Uses a 4-wire layout and threaded mounting for the listed application.

OE-focused engineering. NTK tests sensors during manufacturing to meet or exceed OE specifications.

Cross-references Baldwin 18033, DENSO Auto Parts 234-4509 and 894650E080 for the same application. See all 3.

$132.00Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $132.00
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Direct Fit Oxygen Sensor for Toyota Highlander

This NTK direct fit oxygen sensor is built for specific applications and matches the downstream position on select Toyota Highlander models. It uses a heated, threaded design with a 20.5-inch wiring harness for a clean replacement path and OE-style fitment.

Key Features

  • Heated oxygen sensor with specific-fit application coverage.
  • Threaded mounting type for direct installation.
  • 4-wire design with a 20.5-inch harness.
  • 18 mm thread diameter for the listed application.
  • NTK oxygen sensor engineered for OE-level fit, form, and function.

Detailed Description

NTK 24454 is a direct fit oxygen sensor for 2009-2013 Toyota Highlander downstream applications. As part of NTK's Direct Fit Oxygen Sensor line, it is designed to streamline replacement selection while maintaining the sensor configuration required for the listed vehicle application. NTK 24454 is manufactured with ceramic expertise and tested during production to meet or exceed OE specifications for quality and reliability. This part cross-references DENSO Auto Parts 234-4509 and Baldwin 18033 for the same application.

What It Is Used For

  • Replacing a failed downstream oxygen sensor on a Toyota Highlander.
  • Addressing check engine light concerns related to oxygen sensor performance.
  • Restoring proper exhaust feedback for engine management.
  • Correcting drivability issues tied to inaccurate air-fuel monitoring.

Installation Notes and Tips

Fits 2009-2013 Toyota Highlander, downstream. Confirm the threaded mounting style, 4-wire configuration, and harness length before installation. Use the vehicle's original sensor location and connector routing as a reference during replacement. Part number 24454 should be verified against the existing sensor and application data before ordering.

Quality Assurance

NTK is a major original equipment oxygen sensor supplier and tests these sensors during manufacturing to meet or exceed OE specifications. Part number 24454 reflects NTK's OE-focused design and application coverage.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013ToyotaHighlander2.7LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2012ToyotaHighlander2.7LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2011ToyotaHighlander2.7LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2010ToyotaHighlander2.7LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2009ToyotaHighlander2.7LL4DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Baldwin — 18033DENSO Auto Parts — 234-4509894650E080