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Denso 234-4732 Oxygen Sensor - Downstream
Overview of the Denso OE Style Oxygen Sensor 234-4732
The Denso OE Style Oxygen Sensor 234-4732 is designed specifically for select Saab and Subaru models, including the 9-2X, Baja, Forester, Impreza, Legacy, Outback, and WRX STI. This heated oxygen sensor features a threaded mounting type and a 21.26-inch wiring harness, ensuring precise fitment and reliable performance.
- Heated oxygen sensor for accurate emissions control
- Specific fit for Saab 9-2X and Subaru models including Forester and WRX STI
- Threaded mounting with 0.708-inch thread diameter
- 21.26-inch wiring harness length with 4 wires and male connector
- Part number 234-4732 from Denso OE Style product line
Detailed Features and Specifications
This Denso oxygen sensor is engineered with a heated sensor type to provide faster response times and improved fuel efficiency. The 21.26-inch wiring harness length allows for proper routing and connection within the engine bay. Featuring a male connector and four-wire configuration, this sensor integrates seamlessly with the vehicle’s existing wiring. The threaded mounting type with a 0.708-inch diameter ensures secure installation in the exhaust system.
About the Denso OE Style Product Line
The OE Style line from Denso focuses on delivering parts that meet original equipment specifications for fit, form, and function. This oxygen sensor 234-4732 is part of that line, designed to match the exact requirements of the specified Saab and Subaru models. OE Style parts are intended to provide reliable emissions control and maintain vehicle performance consistent with factory standards.
Applications and Common Issues Addressed
- Restores proper air-fuel mixture readings for Saab 9-2X and Subaru Outback
- Resolves check engine light triggers related to oxygen sensor faults
- Improves fuel economy and reduces emissions on Subaru WRX STI and Legacy
- Eliminates rough idling and engine hesitation caused by faulty sensors
- Ensures compliance with emissions regulations for affected models
Installation Notes and Tips
When installing the Denso 234-4732 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer. Verify the wiring harness length and connector type match the vehicle’s specifications to avoid electrical issues. Proper torque should be applied to avoid sensor damage.
Quality Assurance and Warranty
Denso OE Style oxygen sensors are manufactured to meet strict quality standards and undergo rigorous testing to ensure durability and performance. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.
| Brand | Denso |
| Part Number | 234-4732 |
| Position | OE Style, Downstream |
| Connector Gender | Male |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 0.708 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 21.26 |
This part fits 60 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Subaru | WRX STI | Downstream | OE; Oxygen Sensor - OE Style | ||
| 2020 | Subaru | WRX STI | Downstream | OE; Oxygen Sensor - OE Style | ||
| 2019 | Subaru | WRX STI | Downstream | OE; Oxygen Sensor - OE Style | ||
| 2018 | Subaru | WRX STI | Downstream | OE; Oxygen Sensor - OE Style | ||
| 2017 | Subaru | WRX STI | Downstream | OE Style | ||
| 2016 | Subaru | WRX STI | Downstream | OE Style | ||
| 2015 | Subaru | WRX STI | Downstream | OE Style | ||
| 2014 | Subaru | Impreza | Downstream | OE Style | ||
| 2014 | Subaru | WRX STI | Downstream | OE Style | ||
| 2013 | Subaru | Impreza | Downstream | OE Style | ||
| 2013 | Subaru | WRX STI | Downstream | OE Style | ||
| 2012 | Subaru | Impreza | WRX STI | Downstream | OE Style | |
| 2012 | Subaru | Impreza | WRX STI Limited | Downstream | OE Style | |
| 2012 | Subaru | Legacy | Downstream | OE Style | ||
| 2011 | Subaru | Impreza | WRX STI | Downstream | OE Style | |
| 2011 | Subaru | Impreza | WRX STI Limited | Downstream | OE Style | |
| 2011 | Subaru | Legacy | Downstream | OE Style | ||
| 2010 | Subaru | Impreza | WRX STI | Downstream | OE Style | |
| 2010 | Subaru | Legacy | Downstream | OE Style | ||
| 2009 | Subaru | Impreza | WRX STI | Downstream | OE Style | |
| 2009 | Subaru | Legacy | Automatic | Downstream | OE Style | |
| 2009 | Subaru | Legacy | GT spec.B | Downstream | OE Style | |
| 2009 | Subaru | Outback | Automatic | Downstream | OE Style | |
| 2008 | Subaru | Forester | Downstream | OE Style | ||
| 2008 | Subaru | Impreza | WRX STI | Downstream | OE Style | |
| 2008 | Subaru | Legacy | GT spec.B | Downstream | OE Style | |
| 2008 | Subaru | Legacy | GT Limited | Automatic | Downstream | OE Style |
| 2008 | Subaru | Outback | Automatic | Downstream | OE Style | |
| 2007 | Subaru | Forester | Downstream | OE Style | ||
| 2007 | Subaru | Impreza | Downstream | OE Style | ||
| 2007 | Subaru | Legacy | GT spec.B | Downstream | OE Style | |
| 2007 | Subaru | Legacy | GT Limited | Automatic | Downstream | OE Style |
| 2007 | Subaru | Outback | Automatic | Downstream | OE Style | |
| 2006 | Saab | 9-2X | Downstream | OE Style | ||
| 2006 | Subaru | Baja | Downstream | OE Style | ||
| 2006 | Subaru | Forester | Downstream | OE Style | ||
| 2006 | Subaru | Impreza | Downstream | OE Style | ||
| 2006 | Subaru | Legacy | Automatic | Downstream | OE Style | |
| 2006 | Subaru | Outback | Automatic | Downstream | OE Style | |
| 2005 | Saab | 9-2X | Downstream | OE Style | ||
| 2005 | Subaru | Baja | Downstream | OE Style | ||
| 2005 | Subaru | Forester | Downstream | OE Style | ||
| 2005 | Subaru | Impreza | Downstream | OE Style | ||
| 2005 | Subaru | Legacy | Automatic | Downstream | OE Style | |
| 2005 | Subaru | Legacy | Downstream | Excluding California.; OE Style | ||
| 2005 | Subaru | Legacy | Downstream | Calif.; Loc. After Secondary Catalyst; OE Style | ||
| 2005 | Subaru | Outback | Automatic | Downstream | OE Style | |
| 2005 | Subaru | Outback | Downstream | Excluding California.; OE Style | ||
| 2005 | Subaru | Outback | Downstream | Calif.; Loc. After Secondary Catalyst; OE Style | ||
| 2004 | Subaru | Baja | Downstream | OE Style | ||
| 2004 | Subaru | Forester | Downstream | OE Style | ||
| 2004 | Subaru | Impreza | Downstream | OE Style | ||
| 2004 | Subaru | Legacy | Downstream | Calif.; Loc. After Secondary Catalyst; OE Style | ||
| 2004 | Subaru | Outback | Downstream | OE Style | ||
| 2004 | Subaru | Outback | Downstream | Calif.; Loc. After Secondary Catalyst; OE Style | ||
| 2003 | Subaru | Impreza | Downstream | OE Style | ||
| 2003 | Subaru | Outback | Downstream | OE Style | ||
| 2002 | Subaru | Impreza | Automatic | Downstream | OE Style | |
| 2002 | Subaru | Outback | Downstream | OE Style | ||
| 2001 | Subaru | Outback | Downstream | 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.