HomeEmission Control > SensorsDenso 234-4590 Oxygen Sensor - Upstream
Part #: 234-4590

Denso 234-4590 Oxygen Sensor - Upstream

OE Style, Upstream
2 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Upstream
Fitment: Chrysler and Dodge, Caravan and Voyager
Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Chrysler and Dodge Vehicles

The Denso OE Style 234-4590 oxygen sensor is designed specifically for Chrysler Caravan and Dodge Voyager 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 response times
  • Specific fit for Chrysler Caravan and Dodge Voyager
  • Threaded mounting type with 0.708-inch thread diameter
  • Four-wire design with female connector for secure connection
  • 11.81-inch wiring harness length for proper installation

About the Denso OE Style Product Line

The OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. The 234-4590 oxygen sensor maintains factory-level fit, form, and function, ensuring compatibility and reliable performance for your Chrysler Caravan or Dodge Voyager. This product line focuses on providing components that integrate seamlessly with your vehicle’s existing systems.

Detailed Product Description

This Denso oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving emissions control efficiency shortly after engine start. The sensor’s four-wire configuration includes two wires for the heating element and two for the sensor signal, enhancing durability and signal accuracy. The 0.708-inch threaded mounting ensures a secure fit in the exhaust system, while the female connector simplifies wiring connections. With an 11.81-inch wiring harness length, this sensor is designed to fit precisely without excess slack or tension.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for Chrysler Caravan and Dodge Voyager
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing correct emissions data
  • Reduces harmful exhaust emissions by maintaining proper combustion
  • Prevents engine performance issues caused by faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is cool before removing the old oxygen sensor to avoid burns. Use a proper oxygen sensor socket for removal and installation to prevent damage to the sensor or wiring. Verify the connector gender matches the vehicle harness for a secure connection. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. The 234-4590 part number undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty details should be confirmed with the distributor or vehicle manufacturer.

BrandDenso
Part Number234-4590
PositionOE Style, Upstream
Wiring Harness Length11.81
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Connector GenderFemale
Thread Diameter0.708
Mounting TypeThreaded

This part fits 2 vehicles. Search below:

YearMakeModelPositionNotes
2003ChryslerVoyagerUpstreamOE Style
2003DodgeCaravanUpstreamOE Style

* 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:

213-3001

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