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Denso 234-4132 Oxygen Sensor - Downstream
Overview of the Denso OE Style Oxygen Sensor 234-4132
The Denso OE Style Oxygen Sensor 234-4132 is designed specifically for Subaru vehicles, including the Baja, Legacy, and Outback models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.
- Heated sensor type for faster response times
- Specific fit for Subaru Baja, Legacy, and Outback
- Threaded mounting type with 0.708 inch thread diameter
- 18.11 inch wiring harness length with 4 wires
- Female connector for secure electrical connection
Detailed Features and Specifications
This oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 18.11-inch wiring harness length provides sufficient reach for proper installation in the exhaust system. With a 0.708-inch threaded mounting type, the sensor securely fits into the designated port on compatible Subaru models. The female connector and four-wire configuration ensure reliable electrical connectivity and sensor functionality.
About the Denso OE Style Product Line
The OE Style line from Denso focuses on delivering parts that match original equipment specifications for precise fit and function. This oxygen sensor is engineered to meet the exact requirements of Subaru vehicles, maintaining factory-level performance and durability. Choosing a Denso OE Style sensor helps preserve the integrity of the vehicle’s emission control system.
Common Applications and Problem Resolution
- Restores accurate oxygen sensing for proper air-fuel mixture
- Helps resolve check engine light issues related to oxygen sensor faults
- Improves fuel economy by providing precise exhaust gas readings
- Reduces harmful emissions by ensuring proper catalytic converter operation
- Eliminates rough idling or engine hesitation caused by faulty sensors
Installation Notes and Tips
When installing the Denso 234-4132 oxygen sensor, ensure the engine and exhaust system are cool to avoid burns. Use appropriate tools to avoid damaging the threaded mounting. Verify the female connector matches the vehicle’s wiring harness before installation. It is recommended to apply anti-seize compound on the threads to facilitate future removal, but avoid contaminating the sensor tip.
Quality Assurance and Warranty
Denso manufactures this oxygen sensor to meet strict quality standards, ensuring reliable performance and durability. The OE Style product line is designed to match original equipment specifications, providing confidence in fit and function. Warranty coverage details should be confirmed with the parts distributor or vehicle manufacturer.
| Brand | Denso |
|---|---|
| Part Number | 234-4132 |
| Position | OE Style, Downstream |
| Connector Gender | Female |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 18.11 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2006 | Subaru | Baja | Downstream | OE Style | |
| 2005 | Subaru | Baja | Downstream | OE Style | |
| 2004 | Subaru | Baja | Downstream | OE Style | |
| 2004 | Subaru | Legacy | Downstream | Canada & Exc. Calif.; OE Style | |
| 2004 | Subaru | Outback | Downstream | Canada & Exc. Calif.; OE Style | |
| 2003 | Subaru | Baja | Downstream | OE Style | |
| 2003 | Subaru | Legacy | Downstream | OE Style | |
| 2003 | Subaru | Outback | Downstream | OE Style | |
| 2002 | Subaru | Legacy | Downstream | OE Style | |
| 2002 | Subaru | Outback | Downstream | OE Style | |
| 2001 | Subaru | Legacy | Automatic | Downstream | OE Style |
| 2001 | Subaru | Outback | Automatic | Downstream | OE Style |
| 2000 | Subaru | Legacy | Automatic | Downstream | OE Style |
| 2000 | Subaru | Outback | Automatic | Downstream | OE Style |
| 1999 | Subaru | Legacy | Downstream | OE Style | |
| 1999 | Subaru | Legacy | Downstream | Excluding California.; 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.