NTK
Direct Fit Oxygen Sensor

NTK 24824 Oxygen Sensor - Downstream Rear

Brand NTK 24824
Position Downstream Rear
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 Toyota · 4 vehicles

Direct fit replacement. Specific fit for straightforward installation.

Heated sensor. Helps maintain accurate emissions monitoring.

Threaded mounting. Installs with a secure, threaded connection.

Cross-references Bosch 18047, DENSO Auto Parts 234-4539 and DENSO Auto Parts 234-4540 for the same application. See all 5.

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NTK Direct Fit Oxygen Sensor for Toyota Sienna

NTK Part Number 24824 is a direct fit heated oxygen sensor built for specific applications, including the 2011-2014 Toyota Sienna downstream rear position. It is engineered with a 20.75-inch wiring harness, 4-wire configuration, 18 mm thread diameter, and threaded mounting for OE-style replacement on the exhaust system.

Key Features

  • Direct fit oxygen sensor for specific vehicle applications
  • Heated sensor design for downstream exhaust monitoring
  • 4-wire configuration with 20.75-inch wiring harness
  • 18 mm threaded mounting for OE-style installation
  • Built to match original equipment fit, form, and function
  • Compatible with 2011-2014 Toyota Sienna, downstream rear

Product Details

NTK is part of the NGK family of products and focuses on oxygen sensor technology for import and domestic vehicles. The NTK Direct Fit Oxygen Sensor line is developed with ceramic manufacturing expertise and tested during production to support consistent performance and OE-level specifications. Part Number 24824 is a direct replacement for the downstream rear oxygen sensor on the Toyota Sienna, helping maintain accurate exhaust feedback in the emissions control system. This part cross-references Bosch 18047 for the same application.

Common Issues This Sensor Can Address

  • Check engine light related to downstream oxygen sensor performance
  • Fault codes tied to slow sensor response or heater circuit concerns
  • Incorrect exhaust feedback readings on a Toyota Sienna
  • Emissions system faults affecting inspection readiness
  • Replacement needs for a worn or contaminated downstream rear sensor

Installation Notes and Tips

Verify the connector, wire count, thread size, and sensor position before installation. This NTK oxygen sensor is specific fit, so confirm it matches the downstream rear location on 2011-2014 Toyota Sienna models. Inspect the exhaust bung threads and wiring routing during replacement to help ensure proper seating and harness clearance. Part Number 24824 should be matched to the vehicle application listed above before installation.

Quality Assurance

NTK manufactures oxygen sensors with extensive production testing to support reliability and OE specification alignment. As a major original equipment oxygen sensor supplier, NTK applies application-specific engineering and ceramic technology to support consistent performance in import and domestic emissions control systems.

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2014ToyotaSienna3.5LV6Downstream RearDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
2013ToyotaSienna3.5LV6Downstream RearDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
2012ToyotaSienna3.5LV6Downstream RearDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
2011ToyotaSienna3.5LV6Downstream RearDownstream oxygen sensor with original equipment equivalent design; Direct Fit Oxygen Sensor
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 18047DENSO Auto Parts — 234-4539DENSO Auto Parts — 234-454089465080608946508100