HomeEmission Control > SensorsDenso 234-3093 Oxygen Sensor - Upstream
Part #: 234-3093

Denso 234-3093 Oxygen Sensor - Upstream

OE Style, Upstream
⚙️ 4 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, Upstream
🚗Fitment: Nissan, Pathfinder, Pickup, and D21
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Overview of the Denso OE Style Oxygen Sensor 234-3093

The Denso OE Style Oxygen Sensor 234-3093 is designed specifically for Nissan vehicles including the D21, Pathfinder, and Pickup 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 D21, Pathfinder, and Pickup
  • 72.83-inch wiring harness length for flexible installation
  • Threaded mounting type with 0.708-inch thread diameter
  • Three-wire configuration with male connector

Detailed Features and Specifications

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 72.83-inch wiring harness length provides ample reach for installation in the specified Nissan models. With a threaded mounting type and a 0.708-inch thread diameter, the sensor securely fits into the exhaust system. The three-wire design and male connector ensure compatibility with the vehicle’s wiring harness, maintaining reliable electrical connections.

About the Denso OE Style Product Line

The OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. This ensures that the 234-3093 oxygen sensor matches the fit, form, and function of the factory-installed sensor in Nissan D21, Pathfinder, and Pickup models. The OE Style line focuses on providing quality components that integrate seamlessly with the vehicle’s emission control system.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture
  • Helps resolve rough idling and poor fuel economy
  • Reduces emissions-related check engine light triggers
  • Prevents failed emissions tests due to faulty sensors
  • Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Denso 234-3093 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 type match the vehicle’s specifications. Proper torque should be applied to the threaded sensor to prevent exhaust leaks.

Quality Assurance and Warranty

Denso manufactures the 234-3093 oxygen sensor to meet strict quality standards, ensuring durability and reliable performance. This sensor is backed by Denso’s commitment to quality, providing confidence in its fit and function for Nissan D21, Pathfinder, and Pickup vehicles. Warranty details are available through authorized distributors and typically cover defects in materials and workmanship.

BrandDenso
Part Number234-3093
PositionOE Style, Upstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity3
Wiring Harness Length72.83

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
1995NissanPathfinderUpstreamOE Style
1995NissanPickupUpstreamOE Style
1994NissanD21UpstreamOE Style
1994NissanPathfinderUpstreamOE 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:

213-1282

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