HomeEmission Control > SensorsNTK 23538 Oxygen Sensor - Upstream
Part #: 23538

NTK 23538 Oxygen Sensor - Upstream

Direct Fit Oxygen Sensor, Upstream
⚙️ 18 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$77.82Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Direct Fit Oxygen Sensor, Upstream
🚗Fitment: Chrysler and Dodge, Caravan, Grand Caravan, Town & Country, and Voyager
🔄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 23538

The NTK Direct Fit Oxygen Sensor 23538 is designed specifically for select Chrysler and Dodge models, including the Caravan, Grand Caravan, Town & Country, and Voyager. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

  • Heated sensor type for faster response times
  • Specific fit for Chrysler and Dodge minivans
  • 15.25-inch wiring harness length for proper installation
  • Threaded mounting type with 18mm thread diameter
  • Four-wire configuration for reliable signal transmission

Detailed Product Features and Specifications

The NTK Direct Fit Oxygen Sensor 23538 features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its specific fitment ensures compatibility with Chrysler Caravan, Grand Caravan, Town & Country, and Voyager models, eliminating the need for modifications. The sensor includes a 15.25-inch wiring harness, providing adequate length for secure connections. The threaded mounting type with an 18mm diameter allows for straightforward installation in the exhaust system. The four-wire design supports both the sensor signal and heater circuit, ensuring consistent performance.

About the NTK Direct Fit Oxygen Sensor Line

The Direct Fit Oxygen Sensor line by NTK is engineered to provide precise replacement parts that match original equipment specifications. This product line focuses on exact fitment and reliable operation, reducing installation time and ensuring proper emissions system function. The 23538 sensor is part of this line, offering a direct replacement solution for specific Chrysler and Dodge minivan models.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for improved fuel economy
  • Helps resolve rough idling and engine hesitation
  • Reduces emissions-related check engine light triggers
  • Corrects poor acceleration caused by faulty sensor readings
  • Supports proper catalytic converter operation

Installation Notes and Tips

When installing the NTK 23538 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. The 15.25-inch harness length provides flexibility for routing, but verify connections are secure and free from damage. Thread the sensor carefully into the exhaust port to prevent cross-threading. It is recommended to apply anti-seize compound on the threads if not pre-applied.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details for part number 23538 are not provided here, NTK products typically come with a limited warranty covering defects in materials and workmanship. Refer to NTK or the product documentation for exact warranty terms.

BrandNTK
Part Number23538
PositionDirect Fit Oxygen Sensor, Upstream
Wiring Harness Length15.2500
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Thread Diameter18.000
Mounting TypeThreaded

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2003ChryslerTown & Country3.8LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2003ChryslerTown & Country3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2003ChryslerVoyager3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2003DodgeCaravan3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2003DodgeGrand Caravan3.8LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2003DodgeGrand Caravan3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2002ChryslerTown & Country3.8LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2002ChryslerTown & Country3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2002ChryslerVoyager3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2002DodgeCaravan3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2002DodgeGrand Caravan3.8LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2002DodgeGrand Caravan3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2001ChryslerTown & Country3.8LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2001ChryslerTown & Country3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2001ChryslerVoyager3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2001DodgeCaravan3.3LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2001DodgeGrand Caravan3.8LV6UpstreamOE design oxygen sensor fits Bank 1 Sensor 1 for air/fuel ratio.; Direct Fit Oxygen Sensor
2001DodgeGrand Caravan3.3LV6UpstreamOE 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:

13709213-2996234-42164686938AB75-2309ES10840OS1492OS5259SG739

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