HomeEmission Control > SensorsDenso 234-4732 Oxygen Sensor - Downstream
Part #: 234-4732

Denso 234-4732 Oxygen Sensor - Downstream

OE Style, Downstream
⚙️ 60 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Downstream
🚗Fitment: Subaru and Saab, WRX STI, Impreza, Legacy, Outback, Forester, 9-2X, and Baja
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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.

BrandDenso
Part Number234-4732
PositionOE Style, Downstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length21.26

This part fits 60 vehicles. Search below:

YearMakeModelSubmodelTransmissionPositionNotes
2021SubaruWRX STIDownstreamOE; Oxygen Sensor - OE Style
2020SubaruWRX STIDownstreamOE; Oxygen Sensor - OE Style
2019SubaruWRX STIDownstreamOE; Oxygen Sensor - OE Style
2018SubaruWRX STIDownstreamOE; Oxygen Sensor - OE Style
2017SubaruWRX STIDownstreamOE Style
2016SubaruWRX STIDownstreamOE Style
2015SubaruWRX STIDownstreamOE Style
2014SubaruImprezaDownstreamOE Style
2014SubaruWRX STIDownstreamOE Style
2013SubaruImprezaDownstreamOE Style
2013SubaruWRX STIDownstreamOE Style
2012SubaruImprezaWRX STIDownstreamOE Style
2012SubaruImprezaWRX STI LimitedDownstreamOE Style
2012SubaruLegacyDownstreamOE Style
2011SubaruImprezaWRX STIDownstreamOE Style
2011SubaruImprezaWRX STI LimitedDownstreamOE Style
2011SubaruLegacyDownstreamOE Style
2010SubaruImprezaWRX STIDownstreamOE Style
2010SubaruLegacyDownstreamOE Style
2009SubaruImprezaWRX STIDownstreamOE Style
2009SubaruLegacyAutomaticDownstreamOE Style
2009SubaruLegacyGT spec.BDownstreamOE Style
2009SubaruOutbackAutomaticDownstreamOE Style
2008SubaruForesterDownstreamOE Style
2008SubaruImprezaWRX STIDownstreamOE Style
2008SubaruLegacyGT spec.BDownstreamOE Style
2008SubaruLegacyGT LimitedAutomaticDownstreamOE Style
2008SubaruOutbackAutomaticDownstreamOE Style
2007SubaruForesterDownstreamOE Style
2007SubaruImprezaDownstreamOE Style
2007SubaruLegacyGT spec.BDownstreamOE Style
2007SubaruLegacyGT LimitedAutomaticDownstreamOE Style
2007SubaruOutbackAutomaticDownstreamOE Style
2006Saab9-2XDownstreamOE Style
2006SubaruBajaDownstreamOE Style
2006SubaruForesterDownstreamOE Style
2006SubaruImprezaDownstreamOE Style
2006SubaruLegacyAutomaticDownstreamOE Style
2006SubaruOutbackAutomaticDownstreamOE Style
2005Saab9-2XDownstreamOE Style
2005SubaruBajaDownstreamOE Style
2005SubaruForesterDownstreamOE Style
2005SubaruImprezaDownstreamOE Style
2005SubaruLegacyAutomaticDownstreamOE Style
2005SubaruLegacyDownstreamExcluding California.; OE Style
2005SubaruLegacyDownstreamCalif.; Loc. After Secondary Catalyst; OE Style
2005SubaruOutbackAutomaticDownstreamOE Style
2005SubaruOutbackDownstreamExcluding California.; OE Style
2005SubaruOutbackDownstreamCalif.; Loc. After Secondary Catalyst; OE Style
2004SubaruBajaDownstreamOE Style
2004SubaruForesterDownstreamOE Style
2004SubaruImprezaDownstreamOE Style
2004SubaruLegacyDownstreamCalif.; Loc. After Secondary Catalyst; OE Style
2004SubaruOutbackDownstreamOE Style
2004SubaruOutbackDownstreamCalif.; Loc. After Secondary Catalyst; OE Style
2003SubaruImprezaDownstreamOE Style
2003SubaruOutbackDownstreamOE Style
2002SubaruImprezaAutomaticDownstreamOE Style
2002SubaruOutbackDownstreamOE Style
2001SubaruOutbackDownstreamOE 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:

213-2951213-2973213-3118213-5951

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