NTK 24842 Oxygen Sensor - Downstream Left
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NTK
 Direct Fit Oxygen Sensor

NTK 24842 Oxygen Sensor - Downstream Left

Brand NTK 24842
Position Downstream Left
Wiring Harness Length 43.2500
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 Lexus · 11 vehicles

Direct-fit design. Specific application coverage for OE-style replacement and correct sensor placement.

Heated sensor. Built with a 4-wire layout for responsive exhaust monitoring.

OE-tested quality. Manufactured and checked to meet or exceed OE specifications.

Cross-references Bosch 15126, DENSO Auto Parts 234-4518 and 8946553230 for the same application. See all 3.

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Direct-fit oxygen sensor

NTK Oxygen Sensor 24842 is a specific-fit, heated oxygen sensor built for emission control applications that require accurate exhaust feedback and OE-style installation. It uses a threaded mounting design and a 4-wire configuration with a 43.2500 wiring harness length.

Compatible With Lexus IS250 and Lexus IS350 applications, this NTK oxygen sensor is part of the Direct Fit Oxygen Sensor line. NTK 24842 is engineered for the downstream left B2S2 position and is built to match the original sensor layout for the listed applications.

  • Heated oxygen sensor for precise exhaust monitoring
  • Specific-fit design for direct application matching
  • Threaded mounting type with 18.000 thread diameter
  • 4-wire configuration for OE-style signal routing
  • 43.2500 wiring harness length for proper reach

Application details

Fits 2006-2013 Lexus IS250, downstream left. Fits 2011-2013 Lexus IS350, downstream left. This part cross-references Bosch 15126 and DENSO Auto Parts 234-4518 for the same application. The part number 24842 is used for these Lexus fitments and should be matched to the vehicle's sensor location and connector requirements before installation.

  • Restores oxygen sensor feedback for emission system monitoring
  • Addresses fault codes related to sensor response or circuit issues
  • Supports proper air-fuel ratio control in the exhaust stream
  • Replaces a worn or contaminated downstream sensor

Installation notes

Verify the downstream left B2S2 application, thread diameter, and harness length before installation. Confirm connector routing and sensor placement against the original part to ensure correct fitment on Lexus IS250 and Lexus IS350 models. The threaded design is intended for direct replacement in the listed applications.

Quality assurance

NTK is part of the NGK family of products and is a major original equipment oxygen sensor supplier. Each sensor is extensively tested during manufacturing to meet or exceed OE specifications for fit, form, and function. Part number 24842 reflects NTK's direct-fit coverage for the listed applications.

Related reading

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersPositionNotes
2013LexusIS250AWD2.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2013LexusIS350AWD3.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2012LexusIS250AWD2.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2012LexusIS350AWD3.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2011LexusIS250AWD2.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2011LexusIS350AWD3.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2010LexusIS250AWD2.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2009LexusIS250AWD2.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2008LexusIS250AWD2.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2007LexusIS250AWD2.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; Direct Fit Oxygen Sensor
2006LexusIS250AWD2.5LV6Downstream LeftOxygen Sensor B2S2 placement designed to OE specifications.; 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.
Bosch — 15126DENSO Auto Parts — 234-45188946553230