HomeEmission Control > SensorsDenso 234-4284 Oxygen Sensor - Downstream or Upstream
Part #: 234-4284

Denso 234-4284 Oxygen Sensor - Downstream or Upstream

OE Style, Downstream
⚙️ 12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Downstream
🚗Fitment: Chevrolet, Pontiac, and Suzuki, Aveo, Wave, Wave5, and Swift+
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Reliable Oxygen Sensor for Chevrolet Aveo, Pontiac Wave, Suzuki Swift

The Denso OE Style Oxygen Sensor 234-4284 is designed to provide precise emission control for specific vehicle models including Chevrolet Aveo, Pontiac Wave, and Suzuki Swift. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and emissions compliance.

  • Heated sensor type for faster response times
  • Specific fit for Chevrolet Aveo, Pontiac Wave, Suzuki Swift models
  • 15.75-inch wiring harness length for proper installation
  • Four-wire design with female connector for secure connection
  • Threaded mounting type with 0.708-inch thread diameter

About the Denso OE Style Product Line

The OE Style line from Denso offers oxygen sensors engineered to meet original equipment specifications. This ensures compatibility and reliable performance for vehicles requiring precise emission control components. The 234-4284 sensor maintains factory standards for fit, function, and durability, making it suitable for direct replacement in compatible Chevrolet, Pontiac, and Suzuki models.

Product Details and Specifications

This oxygen sensor features a heated element to reduce warm-up time, improving sensor accuracy shortly after engine start. The 15.75-inch wiring harness length allows for proper routing and connection within the engine bay. With four wires and a female connector, the sensor integrates seamlessly with the vehicle’s existing wiring harness. The threaded mounting type with a 0.708-inch diameter ensures a secure and leak-free installation.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for engine control
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Improves fuel efficiency by providing correct feedback to the ECU
  • Reduces harmful emissions by maintaining proper combustion
  • Prevents drivability issues caused by faulty sensor signals

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid injury. Disconnect the battery prior to sensor replacement to prevent electrical shorts. Use the correct socket size for the 0.708-inch threaded sensor to avoid damage. Verify the female connector matches the vehicle harness before securing the sensor. Follow torque specifications recommended by the vehicle manufacturer for proper sealing.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This part number 234-4284 undergoes rigorous testing to ensure durability and reliable performance. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.

BrandDenso
Part Number234-4284
PositionOE Style, Downstream
Connector GenderFemale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length15.75

This part fits 12 vehicles. Search below:

YearMakeModelPositionNotes
2005ChevroletAveoUpstreamOE Style
2005ChevroletAveoDownstreamOE Style
2005PontiacWaveUpstreamOE Style
2005PontiacWaveDownstreamOE Style
2005PontiacWave5UpstreamOE Style
2005PontiacWave5DownstreamOE Style
2005SuzukiSwift+UpstreamOE Style
2005SuzukiSwift+DownstreamOE Style
2004ChevroletAveoUpstreamOE Style
2004ChevroletAveoDownstreamOE Style
2004SuzukiSwift+UpstreamOE Style
2004SuzukiSwift+DownstreamOE 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:

213-4272213-4579

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