HomeEmission Control > SensorsDenso 234-4080 Oxygen Sensor - Downstream
Part #: 234-4080

Denso 234-4080 Oxygen Sensor - Downstream

OE Style, Downstream
10 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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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream
Fitment: Suzuki and Chevrolet, Grand Vitara, Tracker, and Vitara
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso OE Style Oxygen Sensor 234-4080

The Denso OE Style Oxygen Sensor 234-4080 is designed specifically for select Chevrolet and Suzuki models, including the Grand Vitara, Tracker, and Vitara. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

  • Heated oxygen sensor with 4-wire design for reliable operation
  • Specific fit for Chevrolet Grand Vitara, Suzuki Tracker, and Vitara
  • Threaded mounting type with 0.708-inch thread diameter
  • 23.82-inch wiring harness length with male connector
  • Part number 234-4080 for exact replacement compatibility

Detailed Features and Specifications

The Denso OE Style 234-4080 oxygen sensor features a heated sensor type that allows for quicker activation and improved fuel efficiency. Its 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent performance under various operating conditions. The sensor is designed with a threaded mounting type and a 0.708-inch thread diameter, allowing for secure installation in the exhaust system. The wiring harness length of 23.82 inches provides sufficient reach for proper connection, and the male connector ensures compatibility with the vehicle’s existing wiring harness.

About the Denso OE Style Product Line

The OE Style product line from Denso focuses on delivering parts that meet original equipment specifications. This oxygen sensor is engineered to match the fit, form, and function of the factory-installed sensor, making it a reliable choice for maintaining emissions compliance and engine efficiency in Chevrolet and Suzuki vehicles. The OE Style line emphasizes precise fitment and durability, supporting the performance standards expected from original equipment parts.

Common Applications and Issues Addressed

  • Replacement for faulty or failing oxygen sensors in Chevrolet Grand Vitara and Suzuki Tracker or Vitara
  • Helps resolve engine performance issues related to incorrect air-fuel mixture
  • Assists in reducing emissions by providing accurate exhaust gas readings
  • Prevents check engine light triggers caused by sensor malfunctions
  • Supports fuel economy improvements by enabling proper engine management

Installation Notes and Tips

When installing the Denso 234-4080 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length and connector gender match the vehicle’s harness before installation. Tighten the sensor to the manufacturer’s torque specifications to prevent exhaust leaks.

Quality Assurance and Warranty

Denso oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. The OE Style 234-4080 part number is backed by Denso’s commitment to quality, providing reliable operation for Chevrolet and Suzuki vehicles. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.

BrandDenso
Part Number234-4080
PositionOE Style, Downstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length23.82

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2005SuzukiGrand VitaraDownstreamOE Style
2004ChevroletTrackerDownstreamOE Style
2004SuzukiGrand VitaraDownstreamOE Style
2004SuzukiVitaraDownstreamOE Style
2003ChevroletTrackerDownstreamOE Style
2003SuzukiGrand VitaraDownstreamOE Style
2002ChevroletTrackerDownstreamOE Style
2002SuzukiGrand VitaraDownstreamOE Style
2001ChevroletTrackerDownstreamOE Style
2001SuzukiGrand VitaraDownstreamOE 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:

213-3004213-4278

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