Denso
OE Style

Denso 234-4067 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Rear

Brand Denso 234-4067
Position Upstream
Connector Gender Male
Mounting Type Threaded
Sensor Type Heated
Thread Diameter 0.708
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 19.29
Product line OE Style
Fits Mazda and Ford · 27 vehicles

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

Heated sensor. Helps support quicker operation and consistent performance.

Threaded mounting. Installs with a secure, specific-fit connection.

Cross-references ACDelco 213-1365, ACDelco 213-1489 and BorgWarner OS208 for the same application. See all 39.

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Denso OE Style Oxygen Sensor 234-4067

Denso 234-4067 is an OE Style heated oxygen sensor built for specific-fit replacement in select Ford and Mazda applications. It is engineered for direct installation on the listed upstream and downstream positions, with the correct connector, thread size, and harness length for the application.

Key Features

  • Heated oxygen sensor for precise exhaust feedback
  • Specific fit design for direct replacement
  • 4-wire configuration with male connector
  • Threaded mounting type with 0.708 in. thread diameter
  • Wiring harness length: 19.29 in.
  • OE Style construction for factory-style fit and function

OE Style Construction

Denso’s OE Style line is built to match original equipment dimensions and electrical requirements for a first-time fit. The sensor uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine management and long service life. This part number, 234-4067, is a direct replacement choice for vehicles such as the Mazda 626, Mazda MX-6, Mazda 929, and Ford Probe in the listed positions.

This part cross-references Bosch (e.g., 13287, 13289) for the same application.

What This Sensor Helps Address

  • Check engine light caused by oxygen sensor failure
  • Incorrect air-fuel mixture readings
  • Reduced fuel economy from a worn sensor
  • Slow sensor response during closed-loop operation
  • Emissions test failures tied to sensor performance

Installation Notes

Verify the exact year, make, model, and sensor position before ordering. Fits 2000 Mazda 626, Upstream; Fits 1998-1999 Mazda 626, Upstream; Fits 1996-1997 Ford Probe, Upstream; Fits 1996-1997 Ford Probe, Downstream; Fits 1996-1997 Mazda 626, Downstream; Fits 1996-1997 Mazda MX-6, Downstream; Fits 1996 Ford Probe, Upstream Rear; Fits 1996 Mazda 626, Upstream Rear; Fits 1996 Mazda MX-6, Upstream Rear; Fits 1994-1995 Ford Probe, Upstream Rear; Fits 1994-1995 Mazda 626, Upstream Rear; Fits 1992-1995 Mazda 929, Upstream Left; Fits 1994-1995 Mazda MX-6, Upstream Rear; Fits 1993 Ford Probe, Upstream Rear; Fits 1993 Mazda 626, Upstream Rear; Fits 1993 Mazda MX-6, Upstream Rear. Confirm connector style, thread size, and harness routing against the original sensor before installation.

Quality Assurance

Denso manufactures and tests this oxygen sensor to OE standards for consistent fit and performance. The OE Style design is intended to match the original sensor form and function for the listed Ford and Mazda applications, including Mazda 626 and Ford Probe coverage in the specified positions.

This part fits 27 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionPositionNotes
2000Mazda626—UpstreamLoc. Manifold; Canada & Exc. Calif.; Rear; OE Style
1999Mazda626—UpstreamLoc. Manifold; Rear; OE Style
1998Mazda626—UpstreamLoc. Manifold; Rear; OE Style
1997FordProbeManualUpstreamSell out reorder 234-3010; OE Style
1997FordProbe—DownstreamOE Style
1997Mazda626—DownstreamOE Style
1997MazdaMX-6—DownstreamOE Style
1996FordProbe—Upstream RearCanada; OE Style
1996FordProbeManualUpstreamSell out reorder 234-3010; OE Style
1996FordProbe—DownstreamOE Style
1996Mazda626—Upstream RearCanada; OE Style
1996Mazda626—DownstreamOE Style
1996MazdaMX-6—Upstream RearCanada; OE Style
1996MazdaMX-6—DownstreamOE Style
1995FordProbe—Upstream RearExcluding California.; OE Style
1995Mazda626—Upstream RearCanada & Exc. Calif.; OE Style
1995Mazda929—Upstream LeftOE Style
1995MazdaMX-6—Upstream RearCanada & Exc. Calif.; OE Style
1994FordProbe—Upstream RearExcluding California.; OE Style
1994Mazda626—Upstream RearCanada & Exc. Calif.; OE Style
1994Mazda929—Upstream LeftOE Style
1994MazdaMX-6—Upstream RearCanada & Exc. Calif.; OE Style
1993FordProbe—Upstream RearOE Style
1993Mazda626—Upstream RearOE Style
1993Mazda929—Upstream LeftOE Style
1993MazdaMX-6—Upstream RearOE Style
1992Mazda929—Upstream LeftOE Style
Directly replaces or cross-references 39 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 213-1365ACDelco — 213-1489BorgWarner — OS208BorgWarner — OS628BorgWarner — OS680BorgWarner — OS1806BorgWarner — OS1965Bosch — 13287Bosch — 13289Bosch — 15708Delphi — ES10685Delphi — ES20037Delphi — ES20144Ford — F32Z9F472CFord — F62Z9F472BBFord — F62Z9F472CAMazda — FSC118861BMazda — FSC118861B9UMazda — JE4818861AMazda — JE4818861A9UMazda — KLA718861AMazda — KLA718861A9UMazda — KLJ918861BMotorcraft — DY673Motorcraft — DY782Motorcraft — DY783Motorcraft — DY791NTK — 22088NTK — 22089NTK — 24027Standard Ignition — SG142Standard Ignition — SG219Standard Ignition — SG309Standard Ignition — SG320Standard Ignition — SG1052Walker Products — 250-24067Walker Products — 250-24628Walker Products — 350-34040Walker Products — 350-34048