Denso
OE Style

Denso 234-9029 Air / Fuel Ratio Sensor - Upstream

Brand Denso 234-9029
Position Upstream
Connector Gender Female
Grade Type Regular
Sensor Type Heated
Thread Diameter 0.711
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 17.72
Product line OE Style
Fits Jaguar · 13 vehicles

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

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

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

Cross-references ACDelco 213-2855, Bosch 15627 and Delphi ES10939 for the same application. See all 9.

$121.56Free 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 $121.56
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 234-9029

Denso 234-9029 is an OE Style heated air/fuel ratio sensor built for exact replacement and first-time fit. It is engineered for specific applications and matches the original connector and wiring layout for direct service on select Jaguar models.

Key Features

  • OE Style replacement air/fuel ratio sensor
  • Heated sensor design for faster operating response
  • Specific fit application for direct replacement
  • 4-wire configuration with female connector
  • 17.72 in. wiring harness length
  • Thread diameter: 0.711

Product Details

This Denso air/fuel ratio sensor is manufactured and tested to OE standards for accurate replacement fitment and consistent electrical connection. The OE Style line focuses on matching original equipment dimensions and connector design, which helps simplify service on vehicles that require a direct-fit upstream sensor. Part number 234-9029 is listed for select Jaguar X-Type, XK8, and XKR applications.

Compatible With 2002-2008 Jaguar X-Type, Upstream; 2003-2005 Jaguar XK8, Upstream; and 2003-2005 Jaguar XKR, Upstream. This part cross-references Bosch 15627 and NTK 25631 for the same application.

What It Helps Address

  • Check engine light related to air/fuel ratio sensor performance
  • Incorrect upstream sensor readings
  • Rough idle caused by faulty sensor feedback
  • Fuel mixture control issues from a worn sensor
  • Emissions test failures tied to sensor malfunction

Installation Notes and Tips

Install this sensor in the upstream location specified for the vehicle application. Verify connector style, thread diameter, and harness length before installation to confirm proper routing and fit. Because this is a specific-fit sensor, compare the original part number and connector layout to the removed unit before service. Denso 234-9029 is intended for direct replacement on the listed Jaguar applications.

Quality Assurance

Denso manufactures and tests this OE Style sensor to strict original-equipment standards. The design emphasis is on accurate replacement dimensions, proper connector fit, and dependable sensor performance for the listed applications.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2008JaguarX-TypeUpstreamOE Style
2007JaguarX-TypeUpstreamOE Style
2006JaguarX-TypeUpstreamOE Style
2005JaguarX-TypeUpstreamOE Style
2005JaguarXK8UpstreamOE Style
2005JaguarXKRUpstreamOE Style
2004JaguarX-TypeUpstreamOE Style
2004JaguarXK8UpstreamOE Style
2004JaguarXKRUpstreamOE Style
2003JaguarX-TypeUpstreamOE Style
2003JaguarXK8UpstreamOE Style
2003JaguarXKRUpstreamOE Style
2002JaguarX-TypeUpstreamOE Style
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 213-2855Bosch — 15627Delphi — ES10939Jaguar — C2C7359Jaguar — C2N3717Jaguar — C2S51801NTK — 25631Walker Products — 250-54018Walker Products — 350-64046