HomeEmission Control > SensorsDenso 234-5175 Air / Fuel Ratio Sensor - Upstream, Upstream Left or Upstream Right
Part #: 234-5175

Denso 234-5175 Air / Fuel Ratio Sensor - Upstream, Upstream Left or Upstream Right

OE Style, Upstream
⚙️ 52 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream
🚗Fitment: Lincoln and Ford, Continental, E-350 Super Duty, Explorer, Flex, Police Interceptor Sedan, Police Interceptor Utility, Taurus, Transit-150, Transit-250, Transit-350, Transit-350 HD, MKT, Edge, MKX, Mustang, and MKS
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Reliable Air/Fuel Ratio Sensor for Ford and Lincoln Vehicles

The Denso OE Style Air/Fuel Ratio Sensor 234-5175 is designed specifically for select Ford and Lincoln models, ensuring precise emissions control and optimal engine performance. This heated sensor features a specific fitment and a durable wiring harness to meet OEM standards.

  • Heated sensor type for faster response times
  • Specific fitment for Ford and Lincoln vehicles including Mustang, Explorer, and Transit series
  • 11.46-inch wiring harness length for proper installation
  • Five-wire configuration with female connector
  • Thread diameter of 0.708 inches for secure mounting
  • Regular grade type for standard performance requirements

About the Denso OE Style Product Line

The OE Style line by Denso offers replacement parts engineered to match original equipment specifications. The 234-5175 Air/Fuel Ratio Sensor maintains the quality and fitment expected from factory components, providing a reliable solution for emission control systems in Ford and Lincoln vehicles.

Product Details and Specifications

This air/fuel ratio sensor is a heated type, which helps the sensor reach operating temperature quickly, improving fuel mixture readings and reducing emissions. The 11.46-inch wiring harness length and five-wire setup with a female connector ensure compatibility with the vehicle’s existing wiring harness. The sensor’s thread diameter of 0.708 inches allows for proper installation in the exhaust system. Designed for specific fitment, this sensor is compatible with Ford and Lincoln models such as the Mustang, Explorer, Edge, Taurus, Continental, and various Transit and E-350 Super Duty models.

Common Applications and Issues Addressed

  • Helps maintain proper air/fuel mixture for efficient combustion
  • Reduces emissions by providing accurate sensor data to the engine control unit
  • Resolves check engine light issues related to air/fuel ratio sensor faults
  • Improves fuel economy by ensuring correct sensor operation
  • Prevents rough idling and engine performance problems caused by faulty sensors

Installation Notes and Tips

Ensure the vehicle is cool before installation to avoid burns. Disconnect the battery prior to sensor replacement to prevent electrical shorts. Use the correct thread size (0.708 inches) to avoid damage to the exhaust system. Verify the wiring harness length of 11.46 inches is sufficient for your vehicle’s routing. Confirm the female connector matches the vehicle’s harness for a secure connection.

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet original equipment standards, ensuring reliable performance and durability. This part number 234-5175 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the parts provider or vehicle manufacturer.

BrandDenso
Part Number234-5175
PositionOE Style, Upstream
Connector GenderFemale
Grade TypeRegular
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity5
Wiring Harness Length11.46

This part fits 52 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
2020LincolnContinentalUpstreamOE Style
2019FordE-350 Super DutyUpstream LeftOE Style
2019FordE-350 Super DutyUpstreamOE Style
2019FordExplorerUpstreamOE Style
2019FordFlexUpstreamOE Style
2019FordTaurusUpstreamOE Style
2019FordTransit-150Upstream RightOE Style
2019FordTransit-250Upstream RightOE Style
2019FordTransit-350Upstream RightOE Style
2019FordTransit-350 HDUpstream RightOE Style
2019LincolnContinentalUpstreamOE Style
2019LincolnMKTUpstreamOE Style
2018FordE-350 Super DutyGASUpstream LeftOE Style
2018FordE-350 Super DutyUpstreamOE Style
2018FordEdgeUpstreamOE Style
2018FordExplorerUpstreamOE Style
2018FordFlexUpstreamOE Style
2018FordTaurusUpstreamOE Style
2018FordTransit-150Upstream RightOE Style
2018FordTransit-250Upstream RightOE Style
2018FordTransit-350Upstream RightOE Style
2018FordTransit-350 HDUpstream RightOE Style
2018LincolnContinentalUpstreamOE Style
2018LincolnMKTUpstreamOE Style
2018LincolnMKXUpstreamOE Style
2017FordE-350 Super DutyGASUpstream LeftOE Style
2017FordE-350 Super DutyUpstreamOE Style
2017FordEdgeUpstreamOE Style
2017FordExplorerUpstreamOE Style
2017FordFlexUpstreamOE Style
2017FordMustangUpstreamOE Style
2017FordTaurusUpstreamOE Style
2017FordTransit-150Upstream RightOE Style
2017FordTransit-250Upstream RightOE Style
2017FordTransit-350Upstream RightOE Style
2017FordTransit-350 HDUpstream RightOE Style
2017LincolnContinentalUpstreamOE Style
2017LincolnMKXUpstreamOE Style
2016FordEdgeUpstreamOE Style
2016FordExplorerUpstreamOE Style
2016FordFlexUpstreamOE Style
2016FordMustangUpstreamOE Style
2016FordTaurusUpstreamOE Style
2016FordTransit-150Upstream RightOE Style
2016FordTransit-250Upstream RightOE Style
2016FordTransit-350Upstream RightOE Style
2016FordTransit-350 HDUpstream RightOE Style
2016LincolnMKSUpstreamFrom 12/07/2015; OE Style
2016LincolnMKTUpstreamOE Style
2016LincolnMKXUpstreamOE Style
2015FordEdgeUpstreamOE Style
2015FordMustangUpstreamOE 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:

FB5Z9F472A

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