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Part #: 234-4629

Denso 234-4629 Oxygen Sensor

OE Style, Upstream, Downstream Front, Upstream Front, and Downstream Left
⚙️ 17 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream, Downstream Front, Upstream Front, and Downstream Left
🚗Fitment: Ford and Mazda, 626, Millenia, MX-6, and Probe
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Reliable Oxygen Sensor for Ford and Mazda Vehicles

The Denso OE Style Oxygen Sensor 234-4629 is designed specifically for select Ford and Mazda models, including the 626, Millenia, MX-6, and Probe. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

  • Heated sensor type for faster response times
  • Specific fit for Ford and Mazda models
  • Threaded mounting type with 0.708-inch thread diameter
  • Four-wire design with female connector
  • Wiring harness length of 13.39 inches for precise installation

About the Denso OE Style Product Line

The OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. This oxygen sensor maintains factory-level performance and fitment, providing a reliable solution for emission control systems in compatible vehicles.

Product Details and Specifications

The Denso 234-4629 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its four-wire configuration supports accurate signal transmission, while the female connector ensures secure electrical connections. The threaded mounting type with a 0.708-inch diameter allows for straightforward installation in the exhaust system. With a wiring harness length of 13.39 inches, this sensor fits precisely in the designated locations on Ford 626, Millenia, MX-6, and Probe models.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine hesitation
  • Improves fuel economy by providing accurate oxygen level readings
  • Reduces harmful emissions by optimizing air-fuel mixture
  • Prevents check engine light triggers related to oxygen sensor faults
  • Supports proper catalytic converter function

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. The threaded mounting type requires proper torque to prevent exhaust leaks. Verify the female connector matches the vehicle’s wiring harness for a secure fit. The 13.39-inch wiring harness length allows for flexible routing but avoid sharp bends or contact with hot components.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details are not provided here, Denso parts typically come with a limited warranty covering defects in materials and workmanship.

BrandDenso
Part Number234-4629
PositionOE Style, Upstream, Downstream Front, Upstream Front, and Downstream Left
Wiring Harness Length13.39
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Connector GenderFemale
Thread Diameter0.708
Mounting TypeThreaded

This part fits 17 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2002MazdaMilleniaDownstream LeftOE Style
2001MazdaMilleniaDownstream LeftOE Style
2000Mazda626UpstreamExcluding California.; OE Style
2000MazdaMilleniaUpstream FrontOE Style
1999Mazda626UpstreamExcluding California.; OE Style
1999MazdaMilleniaUpstream FrontOE Style
1998Mazda626UpstreamExcluding California.; OE Style
1998MazdaMilleniaUpstream FrontOE Style
1997FordProbeAutomaticUpstreamOE Style
1997Mazda626AutomaticUpstreamOE Style
1997MazdaMilleniaUpstream FrontOE Style
1997MazdaMX-6AutomaticUpstreamOE Style
1996FordProbeAutomaticUpstreamOE Style
1996Mazda626AutomaticUpstreamOE Style
1996MazdaMilleniaDownstream FrontOE Style
1996MazdaMX-6AutomaticUpstreamOE Style
1995MazdaMilleniaDownstream FrontOE 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:

213-1490

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