Denso
OE Style

Denso 234-9104 Air / Fuel Ratio Sensor - Upstream

Brand Denso 234-9104
Position Upstream
Grade Type Regular
Sensor Type Heated
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 14.53
Product line OE Style
Fits Nissan and INFINITI · 14 vehicles

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

Heated sensor. Delivers fast, consistent air/fuel ratio readings.

Manufactured and tested to strict OE standards.

Cross-references Datsun/Nissan 226931LU0A, NTK 24791 and Walker Products 250-54103 for the same application. See all 4.

$173.06Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $173.06
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Denso OE Style Air/Fuel Ratio Sensor

Denso 234-9104 is an OE Style heated air/fuel ratio sensor built for specific-fit replacement on select Nissan and INFINITI applications. It is engineered for direct replacement service with the correct connector style and harness length for a first-time fit.

  • OE Style replacement for emission control sensor service
  • Heated air/fuel ratio sensor for faster operating readiness
  • Specific fit design for direct application matching
  • 4-wire configuration
  • Wiring harness length: 14.53
  • Regular grade type

OE Style Product Line Details

The Denso OE Style line focuses on replacement parts that follow original equipment standards for fit and function. This approach helps maintain the factory-style sensor layout on vehicles such as the Nissan NV2500, Nissan NV3500, and INFINITI G25, while keeping the replacement process straightforward. Part number 234-9104 is built to match the application requirements of the original sensor location.

Fitment

  • Fits 2012-2017 Nissan NV2500, Upstream, OE Style
  • Fits 2012-2017 Nissan NV3500, Upstream, OE Style
  • Fits 2011-2012 INFINITI G25, Upstream, OE Style

What It Helps Address

  • Check engine light related to upstream air/fuel ratio sensor faults
  • Rough idle or drivability issues tied to incorrect mixture feedback
  • Fuel trim problems caused by a worn or slow-responding sensor
  • Emission control diagnostics triggered by sensor performance errors
  • Restoration of proper upstream sensor signal on Nissan NV2500, Nissan NV3500, and INFINITI G25 applications

Installation Notes

Confirm the vehicle’s original sensor location before ordering, since this part is for upstream applications only. Verify connector style, wire count, and harness length against the removed sensor to ensure proper routing and fit. This part cross-references NTK 24791 for the same application.

Quality Assurance

Denso manufactures and tests these sensors to OE-level standards for replacement accuracy and consistent fit. The sensor is precision-built to match the original application requirements, supporting direct installation on the listed vehicles.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2017NissanNV2500UpstreamOE Style
2017NissanNV3500UpstreamOE Style
2016NissanNV2500UpstreamOE Style
2016NissanNV3500UpstreamOE Style
2015NissanNV2500UpstreamOE Style
2015NissanNV3500UpstreamOE Style
2014NissanNV2500UpstreamOE Style
2014NissanNV3500UpstreamOE Style
2013NissanNV2500UpstreamOE Style
2013NissanNV3500UpstreamOE Style
2012INFINITIG25UpstreamOE Style
2012NissanNV2500UpstreamOE Style
2012NissanNV3500UpstreamOE Style
2011INFINITIG25UpstreamOE Style
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Datsun/Nissan — 226931LU0ANTK — 24791Walker Products — 250-54103Walker Products — 350-64082