HomeEmission Control > SensorsDenso 234-4483 Oxygen Sensor - Downstream
Part #: 234-4483

Denso 234-4483 Oxygen Sensor - Downstream

OE Style, Downstream
8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream
Fitment: Fiat, 500
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Denso OE Style Oxygen Sensor 234-4483

The Denso OE Style Oxygen Sensor 234-4483 is designed specifically for the Fiat 500, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a 26.77-inch wiring harness, tailored for a direct fit.

  • Heated oxygen sensor for faster response times
  • Specific fit for Fiat 500 models
  • Threaded mounting with 0.708-inch thread diameter
  • 26.77-inch wiring harness length with 4 wires
  • Male connector for secure electrical connection

Details on the Denso OE Style Product Line

The OE Style line by Denso focuses on delivering parts that meet original equipment specifications. This oxygen sensor 234-4483 is engineered to match the exact fit and function of the factory-installed sensor on the Fiat 500, providing reliable emission control and compatibility with the vehicle’s existing wiring and mounting points.

Technical Description and Attributes

This oxygen sensor is a heated type, which means it includes an internal heating element to bring the sensor up to operating temperature quickly. It has a 4-wire configuration and a male connector, ensuring proper communication with the vehicle’s engine control unit. The sensor mounts via a threaded connection with a 0.708-inch diameter, and the wiring harness length of 26.77 inches allows for proper routing within the engine bay.

Common Applications and Issues Addressed

  • Helps maintain optimal air-fuel mixture for efficient combustion
  • Reduces harmful emissions by providing accurate oxygen level data
  • Prevents engine performance issues related to faulty sensors
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by ensuring proper sensor operation

Installation Notes and Tips

When installing the Denso 234-4483 oxygen sensor on a Fiat 500, ensure the engine is cool to avoid burns. Use appropriate tools to avoid damaging the threaded mounting. Verify the connector is securely attached to prevent electrical issues. It is recommended to check for any exhaust leaks around the sensor mounting area after installation.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This part number 234-4483 undergoes rigorous testing to comply with emission control requirements. Warranty details vary by distributor but typically cover defects in materials and workmanship.

BrandDenso
Part Number234-4483
PositionOE Style, Downstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length26.77

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2019Fiat500DownstreamOE Style
2018Fiat500DownstreamOE Style
2017Fiat500DownstreamOE Style
2016Fiat500DownstreamOE Style
2015Fiat500DownstreamOE Style
2014Fiat500DownstreamOE Style
2013Fiat500DownstreamOE Style
2012Fiat500DownstreamOE 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:

18109

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