Denso 234-9116 Air / Fuel Ratio Sensor - Upstream
OE Quality 60-Day Returns
Denso
 OE Style

Denso 234-9116 Air / Fuel Ratio Sensor - Upstream

Brand Denso 234-9116
Position Upstream
Grade Type Regular
Sensor Type Heated
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 10.83
Product line OE Style
Fits Honda · 1 vehicle

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

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

Specific fit. Made to match the application for straightforward installation.

Cross-references Honda 36531RTW003, NTK 25680 and Walker Products 250-54111 for the same application. See all 4.

$178.59Free shipping
In stock · usually ships same day before 1pm CST
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Order total $178.59
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Denso OE Style Air/Fuel Ratio Sensor 234-9116

Denso 234-9116 is an OE Style heated air/fuel ratio sensor built for precise replacement and first-time fit. It is engineered for the 2011 Honda CR-Z upstream location and uses a specific-fit design with a 4-wire configuration and 10.83-inch wiring harness length.

Key Features

  • Heated air/fuel ratio sensor for upstream exhaust placement
  • Specific fit for direct replacement on the listed application
  • 4-wire design for the correct OE-style signal configuration
  • 10.83-inch wiring harness length for application-specific routing
  • Regular grade replacement part for emission control service
  • OE Style line focused on exact replacement and proper fit

Application Details

Compatible with 2011 Honda CR-Z, upstream. This Denso air/fuel ratio sensor 234-9116 is built to match the original sensor layout for the listed Honda CR-Z application, helping restore accurate exhaust feedback to the engine management system. This part cross-references Honda 36531RTW003 and NTK 25680 for the same application.

What This Sensor Helps Address

  • Check engine light related to air/fuel ratio sensor performance
  • Incorrect upstream oxygen sensor or mixture feedback readings
  • Rough idle or drivability concerns tied to exhaust sensor input
  • Emission control faults caused by a worn or slow-responding sensor
  • Failed inspection results related to sensor or fuel trim issues

Installation Notes and Tips

Verify the upstream sensor location before ordering and match the connector, wire count, and harness length to the original part. For the 2011 Honda CR-Z, confirm the OE-style routing and sensor position on the exhaust before installation. Use the vehicle service information for torque and connector handling procedures, and inspect the harness path for heat damage or abrasion during replacement.

Quality Assurance

Denso manufactures and tests this OE Style sensor to strict original-equipment standards. The 234-9116 is precision-built for exact replacement and proper fit on the listed Honda CR-Z application.

Related reading

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2011HondaCR-ZUpstreamOE Style
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Honda — 36531RTW003NTK — 25680Walker Products — 250-54111Walker Products — 350-64093