HomeEmission Control > SensorsDenso 234-4197 Oxygen Sensor - Downstream Right
Part #: 234-4197

Denso 234-4197 Oxygen Sensor - Downstream Right

OE Style, Downstream Right
⚙️ 2 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Downstream Right
🚗Fitment: Nissan, Frontier and Xterra
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Reliable Oxygen Sensor for Nissan Frontier and Xterra

The Denso OE Style Oxygen Sensor 234-4197 is designed specifically for Nissan Frontier and Xterra 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 Nissan Frontier and Xterra vehicles
  • 44.49-inch wiring harness length for precise installation
  • Threaded mounting type with 0.708-inch thread diameter
  • Four-wire configuration with male connector for secure connection

About the Denso OE Style Product Line

The OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. This oxygen sensor 234-4197 maintains factory-level performance and fitment, ensuring compatibility and reliability for Nissan Frontier and Xterra models. The OE Style parts are designed to integrate seamlessly with existing vehicle systems without modification.

Detailed Product Description

This Denso oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 44.49-inch wiring harness length provides flexibility during installation, while the four-wire design supports accurate signal transmission. The male connector and threaded mounting type with a 0.708-inch diameter ensure a secure and precise fit in the exhaust system of Nissan Frontier and Xterra vehicles. This sensor is a specific fit part, engineered to match OEM specifications for reliable operation.

Common Issues Addressed by This Oxygen Sensor

  • Check engine light triggered by faulty oxygen sensor readings
  • Poor fuel economy due to incorrect air-fuel mixture
  • Increased emissions failing vehicle inspections
  • Engine performance problems such as rough idling or hesitation
  • Failed or degraded sensor causing exhaust system errors

Installation Notes and Tips

When installing the Denso 234-4197 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Verify the wiring harness length and connector gender match the vehicle’s harness for a proper connection. Follow torque specifications to secure the sensor without over-tightening.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship to provide confidence in long-term durability and performance.

BrandDenso
Part Number234-4197
PositionOE Style, Downstream Right
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length44.49

This part fits 2 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2004NissanFrontierAutomaticDownstream RightOE Style
2004NissanXterraAutomaticDownstream RightOE 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:

18005

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