Denso 234-3108 Oxygen Sensor - Upstream
OE Quality 60-Day Returns
Denso
 OE Style

Denso 234-3108 Oxygen Sensor - Upstream

Brand Denso 234-3108
Position Upstream
Connector Gender Male
Mounting Type Threaded
Sensor Type Heated
Thread Diameter 0.708
Universal Or Specific Fit Specific
Wire Quantity 3
Wiring Harness Length 12.60
Product line OE Style
Fits INFINITI and Nissan · 4 vehicles

OE-style replacement. Precision-built for exact replacement and a first-time fit.

Heated sensor. Helps support efficient engine performance and fuel economy.

Threaded mounting. Installs with a secure, specific-fit connection.

Cross-references ACDelco 213-2938, BorgWarner OS1761 and Bosch 13630 for the same application. See all 11.

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Denso OE Style Oxygen Sensor 234-3108

Denso 234-3108 is an OE Style heated oxygen sensor built for exact replacement and specific fit applications. It is engineered for 2000-2001 Infiniti G20 upstream and 2000-2001 Nissan Sentra upstream service, with the right connector, thread, and harness layout for direct replacement.

Key Features

  • Heated oxygen sensor with specific fit design
  • OE Style replacement for direct application matching
  • 3-wire configuration with male connector
  • Threaded mounting type with 0.708 in. thread diameter
  • 12.60 in. wiring harness length
  • Built to OE standards for accurate sensor replacement
  • Aluminum oxide trap layer helps protect the ceramic element from silicone and lead contamination

OE Style Construction

Denso’s OE Style line focuses on first-time fit and factory-style replacement dimensions. The 234-3108 oxygen sensor is precision built to match the original application, helping maintain proper exhaust feedback for the engine control system. This part cross-references Bosch 13630 and NTK 24527 for the same application.

Vehicle Fitment

  • Fits 2000-2001 Infiniti G20, upstream.
  • Fits 2000-2001 Nissan Sentra, upstream.

Common Issues Addressed

  • Check engine light related to oxygen sensor performance
  • Incorrect air-fuel ratio feedback from a worn upstream sensor
  • Reduced fuel economy caused by slow sensor response
  • Rough idle or drivability concerns tied to exhaust monitoring
  • Failed emissions inspection due to sensor degradation

Installation Notes

Confirm the upstream sensor location before ordering and match the connector, thread diameter, and wire count to the original part. The threaded mounting design and specific-fit harness help support direct replacement on 2000-2001 Infiniti G20 and 2000-2001 Nissan Sentra applications. Verify the exhaust bung condition and wiring routing during installation.

Quality Assurance

Denso manufactures and tests this oxygen sensor to OE standards for consistent fit and performance. The sensor’s protective trap layer is designed to reduce contamination-related wear and support long service life in demanding exhaust environments.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2001INFINITIG20UpstreamOE Style
2001NissanSentraUpstreamOE Style
2000INFINITIG20UpstreamOE Style
2000NissanSentraUpstreamOE Style
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 213-2938BorgWarner — OS1761Bosch — 13630Datsun/Nissan — 226904M806Datsun/Nissan — 226904M815Datsun/Nissan — 226904M820Delphi — ES10687NTK — 24527Standard Ignition — SG1007Walker Products — 250-23121Walker Products — 350-33076