HomeEmission Control > SensorsDenso 234-4067 Oxygen Sensor - Downstream, Upstream, Upstream Left or Upstream Rear
Part #: 234-4067

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

OE Style, Upstream
⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream
🚗Fitment: Mazda and Ford, 626, Probe, MX-6, and 929
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Overview of the Denso OE Style Oxygen Sensor 234-4067

The Denso OE Style Oxygen Sensor 234-4067 is designed specifically for select Ford and Mazda vehicles, including the Mazda 626, 929, MX-6, and the Ford Probe. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

  • Heated sensor type for faster activation and improved efficiency
  • Specific fit for Ford and Mazda models: 626, 929, MX-6, and Probe
  • Threaded mounting type with a 0.708-inch thread diameter
  • 19.29-inch wiring harness length with 4 wires and a male connector
  • Part number 234-4067 for exact replacement compatibility

Detailed Features and Specifications

This oxygen sensor features a heated element that allows it to reach operating temperature quickly, reducing emissions during cold starts. The 19.29-inch wiring harness length provides sufficient reach for proper installation in the engine bay. With four wires and a male connector, it integrates seamlessly with the vehicle’s existing wiring harness. The threaded mounting type with a 0.708-inch diameter ensures a secure and precise fit. This sensor is a specific fit part, engineered to meet the exact requirements of the Ford Probe and Mazda 626, 929, and MX-6 models, ensuring reliable performance and compatibility.

About the Denso OE Style Product Line

The Denso OE Style line is designed to match the original equipment specifications for emission control sensors. This product line focuses on delivering parts that meet or exceed factory standards, providing a direct replacement solution without modification. The OE Style oxygen sensors, including part number 234-4067, are engineered to maintain the integrity of the vehicle’s emissions system and support proper engine management.

Common Applications and Issues Addressed

  • Helps resolve rough idling caused by faulty oxygen sensor readings
  • Reduces increased fuel consumption due to incorrect air-fuel mixture
  • Prevents check engine light triggers related to oxygen sensor faults
  • Supports emission system compliance by accurately monitoring exhaust gases
  • Improves overall engine performance and responsiveness

Installation Notes and Tips

When installing the Denso OE Style Oxygen Sensor 234-4067, ensure the engine is cool to avoid burns. Use the correct socket size for the 0.708-inch threaded sensor to prevent damage. Verify the wiring harness length of 19.29 inches is sufficient for your vehicle’s routing. Confirm the male connector matches the vehicle’s harness to ensure proper electrical connection. It is recommended to apply anti-seize compound on the threads to facilitate future removal.

Quality Assurance and Warranty

Denso manufactures this oxygen sensor to meet strict quality standards consistent with original equipment. The OE Style line is tested for durability and performance under typical operating conditions. While specific warranty details are not provided here, Denso parts generally come with a limited warranty covering defects in materials and workmanship.

BrandDenso
Part Number234-4067
PositionOE Style, Upstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length19.29

This part fits 27 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2000Mazda626UpstreamLoc. Manifold; Canada & Exc. Calif.; Rear; OE Style
1999Mazda626UpstreamLoc. Manifold; Rear; OE Style
1998Mazda626UpstreamLoc. Manifold; Rear; OE Style
1997FordProbeManualUpstreamSell out reorder 234-3010; OE Style
1997FordProbeDownstreamOE Style
1997Mazda626DownstreamOE Style
1997MazdaMX-6DownstreamOE Style
1996FordProbeUpstream RearCanada; OE Style
1996FordProbeManualUpstreamSell out reorder 234-3010; OE Style
1996FordProbeDownstreamOE Style
1996Mazda626Upstream RearCanada; OE Style
1996Mazda626DownstreamOE Style
1996MazdaMX-6Upstream RearCanada; OE Style
1996MazdaMX-6DownstreamOE Style
1995FordProbeUpstream RearExcluding California.; OE Style
1995Mazda626Upstream RearCanada & Exc. Calif.; OE Style
1995Mazda929Upstream LeftOE Style
1995MazdaMX-6Upstream RearCanada & Exc. Calif.; OE Style
1994FordProbeUpstream RearExcluding California.; OE Style
1994Mazda626Upstream RearCanada & Exc. Calif.; OE Style
1994Mazda929Upstream LeftOE Style
1994MazdaMX-6Upstream RearCanada & Exc. Calif.; OE Style
1993FordProbeUpstream RearOE Style
1993Mazda626Upstream RearOE Style
1993Mazda929Upstream LeftOE Style
1993MazdaMX-6Upstream RearOE Style
1992Mazda929Upstream LeftOE Style

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

213-1365213-1489

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.