HomeEmission Control > SensorsDenso 234-4107 Oxygen Sensor - Upstream
Part #: 234-4107

Denso 234-4107 Oxygen Sensor - Upstream

OE Style, Upstream
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Upstream
Fitment: Ford, Transit Connect and Focus
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso OE Style Oxygen Sensor 234-4107

The Denso OE Style Oxygen Sensor 234-4107 is designed specifically for Ford Focus and Transit Connect models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated sensor type for faster response times
  • Specific fit for Ford Focus and Transit Connect vehicles
  • Threaded mounting type with 0.708 inch thread diameter
  • 18.03-inch wiring harness length with 4 wires
  • Male connector for secure electrical connection

Detailed Product Features and Specifications

This oxygen sensor features a heated design that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. The 18.03-inch wiring harness length provides sufficient reach for installation in the exhaust system of compatible Ford vehicles. With a 4-wire configuration and a male connector, the sensor 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, minimizing the risk of exhaust leaks.

About the Denso OE Style Product Line

The OE Style line from Denso offers replacement parts engineered to meet original equipment specifications. This ensures that the 234-4107 oxygen sensor matches the fit, form, and function of the factory-installed sensor in Ford Focus and Transit Connect models. The OE Style line focuses on delivering reliable performance and compatibility for emission control components.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture
  • Helps resolve rough idling and poor fuel economy
  • Reduces emissions-related check engine light triggers
  • Prevents failed emissions tests due to faulty sensors
  • Improves overall engine performance and drivability

Installation Notes and Tips

When installing the Denso 234-4107 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the sensor’s connector matches the vehicle’s male connector for a secure fit. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications.

Quality Assurance and Warranty

Denso manufactures the 234-4107 oxygen sensor to meet strict quality standards, ensuring durability and reliable operation. The OE Style product line is designed to match original equipment quality. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandDenso
Part Number234-4107
PositionOE Style, Upstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length18.03

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2013FordTransit ConnectUpstreamOE Style
2012FordTransit ConnectUpstreamOE Style
2011FordFocusUpstreamOE Style
2011FordTransit ConnectUpstreamOE Style
2010FordFocusUpstreamOE Style
2010FordTransit ConnectUpstreamOE Style
2009FordFocusUpstreamOE Style
2008FordFocusUpstreamOE Style
2007FordFocusUpstreamLoc. Manifold; OE Style
2006FordFocusUpstreamLoc. Manifold; Exc. PZEV; OE 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:

18029

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