OE Quality
60-Day Returns

Denso 234-4246 Oxygen Sensor - Downstream Left
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.
| Brand | Denso |
|---|---|
| Part Number | 234-4246 |
| Position | OE Style, Downstream Left |
| Connector Gender | Female |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 14.84 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Chevrolet | Trailblazer | Downstream Left | OE Style |
| 2009 | GMC | Envoy | Downstream Left | OE Style |
| 2009 | Saab | 9-7x | Downstream Left | OE Style |
| 2008 | Chevrolet | Trailblazer | Downstream Left | OE Style |
| 2008 | GMC | Envoy | Downstream Left | OE Style |
| 2008 | Saab | 9-7x | Downstream Left | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.