HomeEmission Control > SensorsDenso 234-4246 Oxygen Sensor - Downstream Left
Part #: 234-4246

Denso 234-4246 Oxygen Sensor - Downstream Left

OE Style, Downstream Left
6 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 Left
Fitment: Chevrolet, GMC, and Saab, Trailblazer, Envoy, and 9-7x
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Overview of the Denso OE Style Oxygen Sensor 234-4246

The Denso OE Style Oxygen Sensor 234-4246 is designed specifically for select Chevrolet, GMC, and Saab models. This heated oxygen sensor features a 14.84-inch wiring harness and a threaded mounting type, ensuring precise fitment and reliable performance in emission control systems.

  • Heated oxygen sensor for accurate emissions monitoring
  • Specific fit for Chevrolet Envoy, GMC Trailblazer, and Saab 9-7x
  • 14.84-inch wiring harness length for optimal installation
  • Threaded mounting with 0.708-inch thread diameter
  • Four-wire design with female connector for secure connection

Detailed Product Features and Specifications

This Denso oxygen sensor (part number 234-4246) is engineered with a heated sensor element to provide faster response times and improved fuel efficiency. The four-wire configuration includes a female connector, facilitating a secure and reliable electrical connection. The 14.84-inch wiring harness length allows for proper routing and installation in the engine bay. The sensor’s threaded mounting type with a 0.708-inch diameter ensures compatibility with the exhaust system of specific vehicle models.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. This oxygen sensor is manufactured to match the fit, form, and function of the factory-installed sensor, making it a suitable replacement for emission control systems in Chevrolet Envoy, GMC Trailblazer, and Saab 9-7x vehicles. The OE Style line emphasizes precise fitment and reliable operation without modification.

Common Applications and Issues Addressed

  • Restores proper air-fuel mixture readings for engine control units
  • Helps resolve rough idling and poor fuel economy
  • Reduces emissions by ensuring accurate oxygen sensing
  • Prevents check engine light triggers related to oxygen sensor faults
  • Supports compliance with emission regulations for specific vehicle models

Installation Notes and Tips

When installing the Denso 234-4246 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the female connector matches the vehicle’s harness before installation. Thread the sensor carefully to prevent cross-threading and torque to manufacturer specifications. Proper installation will help maintain sensor accuracy and longevity.

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 234-4246 sensor is designed to provide consistent operation within the emission control system. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.

BrandDenso
Part Number234-4246
PositionOE Style, Downstream Left
Connector GenderFemale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length14.84

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2009ChevroletTrailblazerDownstream LeftOE Style
2009GMCEnvoyDownstream LeftOE Style
2009Saab9-7xDownstream LeftOE Style
2008ChevroletTrailblazerDownstream LeftOE Style
2008GMCEnvoyDownstream LeftOE Style
2008Saab9-7xDownstream LeftOE 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:

213-4241

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