Denso 234-5098 Air / Fuel Ratio Sensor - Upstream
OE Quality 60-Day Returns
Denso
 OE Style

Denso 234-5098 Air / Fuel Ratio Sensor - Upstream

Brand Denso 234-5098
Position Upstream
Connector Gender Female
Grade Type Regular
Sensor Type Heated
Thread Diameter 0.711
Universal Or Specific Fit Specific
Wire Quantity 5
Wiring Harness Length 10.39
Product line OE Style
Fits Acura and Honda · 41 vehicles

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

Heated sensor. Engineered for reliable air-fuel ratio monitoring.

Female connector with five-wire construction.

Cross-references Bosch 18083, Honda 36531R70A01 and Honda 36531R70A02 for the same application. See all 8.

$103.80Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $103.80
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Air / Fuel Ratio Sensor options

OE-Style Air/Fuel Ratio Sensor

Denso 234-5098 is an OE Style heated air/fuel ratio sensor built for exact replacement and first-time fit. It is engineered for precise signal control in the exhaust stream, helping maintain proper fuel delivery on supported Honda and Acura applications.

This sensor is a direct-fit choice for upstream locations on select Acura TL, TSX, MDX, ZDX, RL and Honda Accord, Odyssey, Pilot, Ridgeline, Crosstour, and Accord Crosstour models.

Key Features

  • Heated air/fuel ratio sensor for upstream placement
  • Specific-fit design for direct replacement
  • 5-wire configuration with female connector
  • Wiring harness length: 10.39
  • Thread diameter: 0.711
  • OE Style construction for accurate fit and function

Fitment Details

  • Fits 2009-2014 Acura TL, upstream.
  • Fits 2010-2014 Acura TSX, upstream.
  • Fits 2010-2013 Acura MDX, upstream.
  • Fits 2010-2013 Acura ZDX, upstream.
  • Fits 2011-2013 Honda Odyssey, upstream.
  • Fits 2011-2012 Acura RL, upstream.
  • Fits 2011-2012 Honda Accord, upstream.
  • Fits 2012 Honda Crosstour, upstream.
  • Fits 2010-2011 Honda Accord Crosstour, upstream.
  • Fits 2009-2011 Honda Pilot, upstream.
  • Fits 2009-2011 Honda Ridgeline, upstream.
  • Fits 2008-2010 Honda Accord, upstream, excluding California.
  • Fits 2008-2010 Honda Accord, upstream, California exempt parts can be used on pollution controlled vehicles in California.

What It Helps Address

  • Check engine light related to upstream air/fuel sensor performance
  • Rough idle caused by incorrect air-fuel feedback
  • Fuel trim issues from a slow or inaccurate sensor signal
  • Emissions test failures tied to sensor response problems
  • Driveability concerns on Honda Accord, Acura TL, and related applications

Installation Notes

Install as an upstream sensor in the original location and verify connector style, harness length, and thread diameter before installation. This part cross-references Bosch 18083 for the same application. For best results, confirm the vehicle’s emissions configuration, especially on 2008-2010 Honda Accord models with California notes.

Quality Assurance

Denso manufactures and tests this OE Style sensor to strict original-equipment standards. The component is precision-built for accurate replacement and consistent fit on the listed Acura and Honda applications.

Related reading

This part fits 41 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2014AcuraTL—UpstreamOE Style
2014AcuraTSX—UpstreamOE Style
2013AcuraMDX—UpstreamOE Style
2013AcuraTL—UpstreamOE Style
2013AcuraTSX—UpstreamOE Style
2013AcuraZDX—UpstreamOE Style
2013HondaOdyssey—UpstreamOE Style
2012AcuraMDX—UpstreamOE Style
2012AcuraRL—UpstreamOE Style
2012AcuraTL—UpstreamOE Style
2012AcuraTSX—UpstreamOE Style
2012AcuraZDX—UpstreamOE Style
2012HondaAccord—UpstreamOE Style
2012HondaCrosstour—UpstreamOE Style
2012HondaOdyssey—UpstreamOE Style
2011AcuraMDX—UpstreamOE Style
2011AcuraRL—UpstreamOE Style
2011AcuraTL—UpstreamOE Style
2011AcuraTSX—UpstreamOE Style
2011AcuraZDX—UpstreamOE Style
2011HondaAccord—UpstreamOE Style
2011HondaAccord Crosstour—UpstreamOE Style
2011HondaOdyssey—UpstreamOE Style
2011HondaPilot—UpstreamOE Style
2011HondaRidgeline—UpstreamOE Style
2010AcuraMDX—UpstreamOE Style
2010AcuraTL—UpstreamOE Style
2010AcuraTSX—UpstreamOE Style
2010AcuraZDX—UpstreamOE Style
2010HondaAccord—UpstreamExcluding California.; OE Style
2010HondaAccordManualUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2010HondaAccord Crosstour—UpstreamOE Style
2010HondaPilot—UpstreamOE Style
2010HondaRidgeline—UpstreamOE Style
2009AcuraTL—UpstreamOE Style
2009HondaAccord—UpstreamExcluding California.; OE Style
2009HondaAccordManualUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
2009HondaPilot—UpstreamOE Style
2009HondaRidgeline—UpstreamOE Style
2008HondaAccord—UpstreamExcluding California.; OE Style
2008HondaAccordManualUpstreamCalifornia exempt parts can be used on pollution controlled vehicles in California.; OE Style
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 18083Honda — 36531R70A01Honda — 36531R70A02Honda — 36541R70A01Honda — 36541R70A02NTK — 24385Walker Products — 250-25059Walker Products — 350-35065