HomeEmission Control > SensorsDenso 234-4776 Oxygen Sensor - Downstream Left, Downstream Rear or Downstream Right
Part #: 234-4776

Denso 234-4776 Oxygen Sensor - Downstream Left, Downstream Rear or Downstream Right

OE Style, Downstream Rear
11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream Rear
Fitment: INFINITI and Nissan, I30, QX4, Maxima, Pathfinder, and Sentra
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Overview of the Denso OE Style Oxygen Sensor 234-4776

The Denso OE Style Oxygen Sensor 234-4776 is designed specifically for select Nissan and INFINITI models, including the I30, Maxima, Pathfinder, QX4, and Sentra. This heated oxygen sensor features a 39.37-inch wiring harness and a threaded mounting type for precise installation.

  • Heated oxygen sensor for accurate emissions monitoring
  • Specific fit for Nissan and INFINITI vehicles
  • 39.37-inch wiring harness length for flexible routing
  • Threaded mounting with 0.708-inch thread diameter
  • Four-wire design with male connector for secure connection

Detailed Product Features and Specifications

The Denso 234-4776 oxygen sensor is a heated sensor, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. It includes a 39.37-inch wiring harness that provides ample length for installation in the engine bay. The sensor is designed with a threaded mounting type featuring a 0.708-inch thread diameter, ensuring a secure and proper fit. The four-wire configuration and male connector gender are engineered for compatibility with the vehicle’s existing wiring harness, supporting reliable electrical connections.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering oxygen sensors that match original equipment specifications. This ensures that the 234-4776 sensor maintains the performance and durability expected from factory-installed parts. The OE Style sensors are engineered to meet strict quality standards, providing a direct replacement for the original sensor in Nissan and INFINITI vehicles.

Compatible Vehicles and Common Applications

  • INFINITI I30 oxygen sensor replacement
  • Nissan Maxima emission control sensor upgrade
  • Nissan Pathfinder oxygen sensor for emission regulation
  • INFINITI QX4 heated oxygen sensor installation
  • Nissan Sentra specific fit oxygen sensor

Installation Notes and Tips

When installing the Denso 234-4776 oxygen sensor, ensure the engine is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the four-wire connector matches the vehicle’s harness and that the male connector is securely attached. Proper routing of the 39.37-inch wiring harness is important to avoid contact with hot or moving engine parts.

Quality Assurance and Warranty Information

Denso OE Style oxygen sensors are manufactured to meet or exceed OEM standards. The 234-4776 part undergoes rigorous testing to ensure durability and reliable performance in emission control systems. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDenso
Part Number234-4776
PositionOE Style, Downstream Rear
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length39.37

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2001INFINITII30Downstream RearOE Style
2001INFINITIQX4Downstream RightOE Style
2001NissanMaximaDownstream RightOE Style
2001NissanPathfinderDownstream RightTo 08/00; OE Style
2001NissanSentraDownstream LeftExc. Clean Air Vehicle; Black Connector; To 08/01/2001; OE Style
2000INFINITII30Downstream RearOE Style
2000NissanMaximaDownstream RightCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2000NissanSentraDownstream LeftExc. Clean Air Vehicle; OE Style
1999INFINITII30Downstream RightCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1999NissanMaximaDownstream RightCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
1998NissanMaximaDownstream RightFrom 06/98; Calif.; 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:

213-2906213-3022

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