Denso
OE Style

Denso 234-4383 Oxygen Sensor - Downstream

Brand Denso 234-4383
Position Downstream
Connector Gender Male
Mounting Type Threaded
Sensor Type Heated
Thread Diameter 0.708
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 21.65
Product line OE Style
Fits Mitsubishi · 2 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. Specific-fit design with a male connector and 4-wire harness.

Cross-references ACDelco 213-3881, Bosch 15194 and Bosch 15605 for the same application. See all 12.

$130.27Free shipping
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Order total $130.27
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Free returns within 60 days if it doesn't fit when fitment is verified.

Denso OE Style Oxygen Sensor 234-4383

Denso 234-4383 is an OE Style heated oxygen sensor built for exact replacement and first-time fit. It is engineered for specific applications on the Mitsubishi Lancer and Mitsubishi Outlander, with a threaded mounting design and 4-wire male connector for direct service replacement.

Denso’s OE Style line focuses on factory-level fit and sensor performance. This oxygen sensor uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine operation, fuel efficiency, and long service life.

Key Features

  • OE Style replacement oxygen sensor for specific vehicle applications
  • Heated sensor design for faster operating temperature
  • Specific fit with threaded mounting type
  • 4-wire configuration with male connector
  • Wiring harness length: 21.65
  • Thread diameter: 0.708
  • Built to strict OE standards for exact replacement fit

Fitment Details

Fits 2006 Mitsubishi Lancer, downstream. Fits 2004 Mitsubishi Outlander, downstream, to 03/02/04. Search terms such as 2006 Mitsubishi Lancer downstream oxygen sensor and 2004 Mitsubishi Outlander downstream O2 sensor apply to this part.

This part cross-references NTK 24688 and Bosch 15194 for the same application.

What This Sensor Helps Address

  • Check engine light related to oxygen sensor performance
  • Incorrect air-fuel mixture readings from a worn downstream sensor
  • Reduced fuel economy caused by slow or inaccurate sensor response
  • Emissions test failures tied to sensor degradation
  • Rougher engine operation from contaminated or aging sensor elements

Installation Notes

Confirm downstream placement before installation and verify connector style, wire count, and thread diameter against the original sensor. The threaded mounting design supports direct replacement on the listed Mitsubishi applications, and the specific-fit layout helps reduce installation mismatch.

Quality Assurance

Denso manufactures and tests this OE Style oxygen sensor to strict original-equipment standards. The sensor is precision built for exact replacement fit and consistent performance on the listed Mitsubishi Lancer and Mitsubishi Outlander applications.

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006MitsubishiLancerDownstreamOE Style
2004MitsubishiOutlanderDownstreamTo 03/02/04; OE Style
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 213-3881Bosch — 15194Bosch — 15605Bosch — 15607Mitsubishi — 1588A112Mitsubishi — MN163468Mitsubishi — MN163469NTK — 24688Standard Ignition — SG1686Standard Ignition — SG1688Walker Products — 250-24653Walker Products — 350-34397