HomeEmission Control > SensorsDenso 234-4773 Oxygen Sensor - Downstream
Part #: 234-4773

Denso 234-4773 Oxygen Sensor - Downstream

OE Style, Downstream
3 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream
Fitment: Chevrolet, Spark
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Oxygen Sensor for Chevrolet Spark

The Denso OE Style Oxygen Sensor 234-4773 is designed specifically for Chevrolet Spark models, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a female connector for a secure fit.

  • Heated oxygen sensor for accurate emissions monitoring
  • Specific fit for Chevrolet Spark vehicles
  • Threaded mounting with 0.708-inch thread diameter
  • 10.55-inch wiring harness length for proper installation
  • Four-wire design with female connector for reliable connection

About the Denso OE Style Product Line

The OE Style line from Denso offers sensors engineered to meet original equipment specifications. This ensures compatibility and performance that align with factory standards. The 234-4773 oxygen sensor maintains the quality and fit expected from OEM parts, providing a direct replacement solution for Chevrolet Spark owners.

Detailed Product Description

This Denso oxygen sensor 234-4773 is a heated sensor designed to provide accurate readings of oxygen levels in the exhaust gases. Its four-wire configuration supports both the sensor signal and heater circuit, enabling faster sensor warm-up and improved fuel efficiency. The 10.55-inch wiring harness length allows for proper routing and connection within the engine bay. The sensor’s threaded mounting type with a 0.708-inch diameter ensures a secure and leak-free installation. The female connector design matches the factory wiring harness, simplifying replacement without the need for modifications.

Common Applications and Issues Addressed

  • Restores proper air-fuel mixture control in Chevrolet Spark engines
  • Helps resolve check engine light codes related to oxygen sensor failure
  • Improves fuel economy by providing accurate exhaust gas data
  • Reduces harmful emissions by ensuring efficient catalytic converter operation
  • Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

When installing the Denso 234-4773 oxygen sensor, ensure the engine is cool to avoid burns. Use a proper oxygen sensor socket to avoid damaging the sensor or wiring. Verify the connector is securely attached to the vehicle’s harness to prevent electrical issues. Follow torque specifications recommended by the vehicle manufacturer to ensure a proper seal and sensor function.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This part number 234-4773 is built to OEM specifications for the Chevrolet Spark, providing consistent operation over time. Warranty coverage details should be confirmed with the parts provider or manufacturer.

BrandDenso
Part Number234-4773
PositionOE Style, Downstream
Wiring Harness Length10.55
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Connector GenderFemale
Thread Diameter0.708
Mounting TypeThreaded

This part fits 3 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2015ChevroletSparkAutomatic CVTDownstreamOE Style
2014ChevroletSparkAutomatic CVTDownstreamOE Style
2013ChevroletSparkAutomaticDownstreamOE 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:

25180901

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