HomeEmission Control > SensorsDenso 234-4060 Oxygen Sensor - Upstream
Part #: 234-4060

Denso 234-4060 Oxygen Sensor - Upstream

OE Style, Upstream
29 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, Upstream
Fitment: Suzuki, Chevrolet, Geo, Pontiac, and Asuna, Esteem, Tracker, Sidekick, X-90, and Sunrunner
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Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Oxygen Sensor for Chevrolet, Geo, Pontiac, and Suzuki Vehicles

The Denso OE Style Oxygen Sensor 234-4060 is designed to provide precise emissions control for specific vehicle models including Chevrolet Tracker, Geo Sunrunner, Pontiac Sunrunner, Suzuki Esteem, and Suzuki Sidekick. This heated oxygen sensor ensures accurate air-fuel mixture readings to maintain optimal engine performance and reduce harmful emissions.

  • Heated sensor type for faster response times
  • Specific fit for Chevrolet, Geo, Pontiac, and Suzuki models
  • Threaded mounting type with 0.708 inch thread diameter
  • 21.26 inch wiring harness length with 4 wires
  • Male connector for secure electrical connection

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 emissions control components. The 234-4060 sensor maintains factory standards for fit, function, and durability, making it a suitable replacement part for the specified Chevrolet, Geo, Pontiac, and Suzuki models.

Detailed Product Description

The Denso 234-4060 oxygen sensor features a heated design that allows the sensor to reach operating temperature quickly, improving fuel efficiency and reducing emissions sooner after engine start. With a 21.26 inch wiring harness and a male connector, installation is straightforward and secure. The sensor’s threaded mounting type with a 0.708 inch diameter ensures a proper fit in the exhaust system. This oxygen sensor is specifically designed for models such as the Chevrolet Tracker, Geo Sunrunner, Pontiac Sunrunner, Suzuki Esteem, and Suzuki Sidekick, providing accurate air-fuel ratio data to the engine control unit.

Common Issues Addressed by This Oxygen Sensor

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture
  • Increased emissions and failed emissions tests
  • Engine hesitation or rough idling caused by sensor malfunction
  • Reduced engine performance and drivability problems

Installation Notes and Tips

Before installation, ensure the vehicle is cool to avoid burns. Disconnect the battery to prevent electrical shorts. Remove the old oxygen sensor carefully using an oxygen sensor socket. Install the Denso 234-4060 sensor by threading it into the exhaust port and tightening to manufacturer torque specifications. Connect the male connector securely to the vehicle’s wiring harness. After installation, clear any diagnostic trouble codes and verify sensor operation with a scan tool.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. This ensures reliable performance and durability under normal operating conditions. While specific warranty details may vary, Denso products typically come with a limited warranty covering defects in materials and workmanship.

BrandDenso
Part Number234-4060
PositionOE Style, Upstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length21.26

This part fits 29 vehicles. Search below:

YearMakeModel# DoorsPositionNotes
2002SuzukiEsteem4 DoorUpstreamOE Style
2001SuzukiEsteem4 DoorUpstreamOE Style
2000SuzukiEsteem4 DoorUpstreamOE Style
2000SuzukiEsteemUpstreamOE Style
1999SuzukiEsteemUpstreamOE Style
1998ChevroletTrackerUpstreamOE Style
1998SuzukiEsteemUpstreamOE Style
1998SuzukiSidekickUpstreamOE Style
1998SuzukiX-90UpstreamOE Style
1997GeoTrackerUpstreamOE Style
1997PontiacSunrunnerUpstreamOE Style
1997SuzukiEsteemUpstreamOE Style
1997SuzukiSidekickUpstreamOE Style
1997SuzukiX-90UpstreamOE Style
1996GeoTrackerUpstreamOE Style
1996PontiacSunrunnerUpstreamOE Style
1996SuzukiEsteemUpstreamOE Style
1996SuzukiSidekickUpstreamOE Style
1996SuzukiX-90UpstreamOE Style
1995GeoTrackerUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1995PontiacSunrunnerUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1995SuzukiEsteemUpstreamOE Style
1995SuzukiSidekickUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1994GeoTrackerUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1994PontiacSunrunnerUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1994SuzukiSidekickUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1993GeoTrackerUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1993SuzukiSidekickUpstreamHardtop vehicles only, will not fit convertible models.; OE Style
1992SuzukiSidekickUpstreamHardtop vehicles only, will not fit convertible models.; OE 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:

213-1362213-2940213-3131213-404

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