HomeEmission Control > SensorsNTK 24111 Oxygen Sensor - Upstream
Part #: 24111

NTK 24111 Oxygen Sensor - Upstream

Direct Fit Oxygen Sensor, Upstream
13 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, Upstream
Fitment: Toyota, 4Runner and Pickup
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 24111

The NTK Direct Fit Oxygen Sensor 24111 is designed specifically for Toyota 4Runner and Pickup models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle’s engine management system.

  • Heated sensor type for faster warm-up and improved efficiency
  • Specific fit for Toyota 4Runner and Pickup models
  • 19.75-inch wiring harness length for convenient installation
  • Flange mounting type with 18mm thread diameter
  • Four-wire configuration for reliable signal transmission

Details on the Direct Fit Oxygen Sensor Product Line

The NTK Direct Fit Oxygen Sensor line is engineered to provide exact replacement sensors that match OEM specifications. This product line focuses on direct fitment, eliminating the need for modifications or additional adapters. The 24111 sensor maintains factory-level performance and durability, ensuring compatibility and ease of installation for Toyota vehicles.

Technical Description and Features

The NTK 24111 oxygen sensor features a heated element that allows the sensor to reach operating temperature quickly, reducing emissions during cold starts. Its four-wire design supports both the sensor signal and heater circuit, enhancing responsiveness and accuracy. The flange mounting type with an 18mm thread diameter ensures a secure and proper fit in the exhaust system. The 19.75-inch wiring harness length provides sufficient reach for straightforward connection without excess slack.

Common Applications and Problem Resolution

  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing accurate air-fuel ratio data
  • Reduces harmful emissions by ensuring proper catalytic converter function
  • Addresses rough idling or engine hesitation caused by faulty sensors
  • Prevents failed emissions tests due to sensor malfunction

Installation Notes and Tips

When installing the NTK 24111 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Confirm the sensor’s flange mounting and thread diameter match the exhaust port. The 19.75-inch wiring harness length allows for flexible routing, but avoid sharp bends or contact with hot surfaces. Reconnect all wiring securely to maintain sensor functionality.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet strict quality standards and OEM specifications. The Direct Fit Oxygen Sensor 24111 undergoes rigorous testing to ensure durability and reliable performance. While specific warranty details are not provided here, NTK typically offers coverage against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandNTK
Part Number24111
PositionDirect Fit Oxygen Sensor, Upstream
Mounting TypeFlange
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length19.7500

This part fits 13 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
1991Toyota4Runner3.0LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1991Toyota4Runner2.4LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1991ToyotaPickupRWD3.0LV6UpstreamB1S1; Federal Emissions; w/20" Lead Lgth; OE Equivalent Design; Direct Fit Oxygen Sensor
1991ToyotaPickup4WD3.0LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1991ToyotaPickup4WD2.4LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1990Toyota4Runner3.0LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1990Toyota4Runner2.4LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1990ToyotaPickupRWD3.0LV6UpstreamB1S1; Federal Emissions; w/20" Lead Lgth; OE Equivalent Design; Direct Fit Oxygen Sensor
1990ToyotaPickup4WD3.0LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1990ToyotaPickup4WD2.4LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1989ToyotaPickupRWD3.0LV6UpstreamB1S1; w/20" Lead Lgth; OE Equivalent Design; Direct Fit Oxygen Sensor
1989ToyotaPickup4WD3.0LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
1989ToyotaPickup4WD2.4LL4UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; 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:

1319613208132101329213293134011344715711213-1356234-4055234-405675-171975-209975-21008946539256894653929689465393368946539355ES10313ES10669ES20036OS2079OS5125OS598OS600SG657

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