HomeDenso 234-4607 Oxygen Sensor - Upstream
Part #: 234-4607

Denso 234-4607 Oxygen Sensor - Upstream

OE Style, Upstream
11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Upstream
Fitment: Ford and Mercury, Contour, Cougar, and Mystique
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Reliable Oxygen Sensor for Ford and Mercury Vehicles

The Denso OE Style Oxygen Sensor 234-4607 is designed specifically for select Ford and Mercury models, including the Contour, Cougar, and Mystique. This heated oxygen sensor ensures accurate emissions control and optimal engine performance.

  • Heated sensor type for faster response times
  • Specific fit for Ford Contour, Mercury Cougar, and Mystique
  • Threaded mounting type with 0.708 inch thread diameter
  • 15.35 inch wiring harness length with 4 wires
  • Male connector for secure electrical connection

About the Denso OE Style Product Line

The OE Style line from Denso offers direct replacement parts engineered to meet original equipment specifications. The 234-4607 oxygen sensor maintains factory-level fit, form, and function, providing a reliable solution for emission control systems in compatible Ford and Mercury vehicles.

Product Details and Specifications

This oxygen sensor features a heated element to reduce warm-up time, improving fuel efficiency and reducing emissions sooner after engine start. The 15.35 inch wiring harness length and 4-wire configuration ensure proper connectivity and signal transmission. Its threaded mounting type with a 0.708 inch diameter allows for secure installation in the exhaust system. The male connector design matches factory wiring harnesses for a seamless fit.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for engine control
  • Helps resolve check engine light triggers related to oxygen sensors
  • Improves fuel economy by ensuring proper combustion
  • Reduces harmful emissions by maintaining sensor accuracy
  • Prevents drivability problems caused by faulty oxygen sensors

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Use appropriate tools to remove the old sensor and install the Denso 234-4607 sensor by threading it securely into place. Verify the male connector is fully seated to maintain electrical integrity. This sensor is designed for specific fitment on Ford Contour, Mercury Cougar, and Mystique models, so confirm compatibility before installation.

Quality Assurance and Warranty

Denso OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship.

BrandDenso
Part Number234-4607
PositionOE Style, Upstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length15.35

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
1999FordContourUpstreamUpstream Sensor w/ Square Connector; OE Style
1999MercuryCougarUpstreamUpstream Sensor w/ Square Connector; OE Style
1999MercuryMystiqueUpstreamUpstream Sensor w/ Square Connector; OE Style
1998FordContourUpstreamOE Style
1998MercuryMystiqueUpstreamOE Style
1997FordContourUpstreamOE Style
1997MercuryMystiqueUpstreamOE Style
1996FordContourUpstreamOE Style
1996MercuryMystiqueUpstreamOE Style
1995FordContourUpstreamOE Style
1995MercuryMystiqueUpstreamOE 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:

213-1328

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