HomeEmission Control > SensorsDenso 234-5075 Air / Fuel Ratio Sensor - Upstream or Upstream Left
Part #: 234-5075

Denso 234-5075 Air / Fuel Ratio Sensor - Upstream or Upstream Left

OE Style, Upstream
14 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: Fiat, Dodge, and Mitsubishi, 500, Dart, and Outlander
Easy Returns — Return within 60 days for a full refund
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Overview of the Denso OE Style Air/Fuel Ratio Sensor 234-5075

The Denso OE Style Air/Fuel Ratio Sensor 234-5075 is designed specifically for select Dodge, Fiat, and Mitsubishi vehicles. This heated sensor ensures accurate air and fuel mixture readings to support optimal engine performance and emissions control.

  • Heated sensor type for faster response times
  • Specific fit for Dodge Dart, Fiat 500, and Mitsubishi Outlander models
  • Wiring harness length of 20.55 inches for precise installation
  • Five-wire configuration with a male connector
  • Thread diameter of 0.711 inches for secure mounting
  • Regular grade type for reliable operation

Detailed Product Description

The Denso 234-5075 air/fuel ratio sensor is engineered to provide accurate feedback to the engine control unit by measuring the oxygen content in the exhaust gases. This heated sensor type improves warm-up time, allowing the engine to reach optimal operating conditions more quickly. With a wiring harness length of 20.55 inches and a five-wire setup, this sensor is designed for a specific fit, ensuring compatibility with Dodge Dart, Fiat 500, and Mitsubishi Outlander models. The male connector and 0.711-inch thread diameter facilitate straightforward installation and secure connection.

This sensor is part of Denso's OE Style product line, which focuses on delivering components that meet original equipment specifications. The OE Style line is intended to provide a direct replacement solution that maintains factory performance and reliability without modification.

Common Applications and Issues Addressed

  • Helps maintain proper air/fuel mixture for efficient combustion
  • Reduces emissions by providing accurate sensor data to the ECU
  • Prevents engine performance issues such as rough idling or hesitation
  • Addresses check engine light triggers related to oxygen sensor faults
  • Supports fuel economy by ensuring optimal sensor operation

Installation Notes and Tips

  • Verify compatibility with your vehicle’s make and model before installation
  • Ensure the wiring harness length of 20.55 inches is sufficient for your setup
  • Use proper tools to avoid damaging the 0.711-inch threaded sensor
  • Check the male connector for secure and corrosion-free connection
  • Follow manufacturer torque specifications during installation

Quality Assurance and Warranty

Denso’s OE Style air/fuel ratio sensor 234-5075 is manufactured to meet original equipment standards, ensuring consistent performance and durability. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship. Always consult the product documentation or your supplier for exact warranty terms.

BrandDenso
Part Number234-5075
PositionOE Style, Upstream
Connector GenderMale
Grade TypeRegular
Sensor TypeHeated
Thread Diameter0.711
Universal Or Specific FitSpecific
Wire Quantity5
Wiring Harness Length20.55

This part fits 14 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2017Fiat500c PopUpstreamOE Style
2017Fiat500c LoungeUpstreamOE Style
2017Fiat500PopUpstreamOE Style
2017Fiat500LoungeUpstreamOE Style
2016Fiat500UpstreamOE Style
2015DodgeDartUpstreamOE Style
2015Fiat500UpstreamOE Style
2015MitsubishiOutlanderUpstream LeftOE Style
2014DodgeDartUpstreamOE Style
2014Fiat500UpstreamOE Style
2014MitsubishiOutlanderUpstream LeftOE Style
2013DodgeDartUpstreamOE Style
2013Fiat500UpstreamOE Style
2012Fiat500UpstreamOE 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:

68070689AA

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