HomeEmission Control > SensorsWalker 350-341078 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 350-341078

Walker 350-341078 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products Aftermarket, Downstream Left
40 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products Aftermarket, Downstream Left
Fitment: Ford, Transit-150, Transit-250, Transit-350, and Transit-350 HD
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Overview of Walker Oxygen Sensor 350-341078 for Ford Transit

The Walker 350-341078 oxygen sensor is designed specifically for Ford Transit models including Transit-150, Transit-250, Transit-350, and Transit-350 HD. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated oxygen sensor with 4-wire design for precise readings
  • Specific fit for Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD
  • Threaded mounting type with 18.0 mm thread diameter
  • Connector features a radiused polygon shape with female gender
  • Wiring harness length of 14.56 inches and overall length of 17.71 inches
  • Wire gauge measurement of 20 for reliable electrical conductivity

Detailed Product Description

This Walker oxygen sensor, part number 350-341078, is engineered to meet the exact specifications required by Ford Transit vehicles. The heated sensor type allows for faster warm-up times, improving fuel efficiency and reducing emissions shortly after engine start. The 4-wire configuration supports both sensor heating and signal transmission, ensuring consistent performance. Its threaded mounting type with an 18.0 mm diameter provides secure installation, while the radiused polygon female connector ensures a proper electrical connection. The wiring harness length of 14.56 inches and overall length of 17.71 inches are designed to fit the specific routing and space constraints of the Ford Transit models it supports.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on providing reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, offering a direct replacement solution for Ford Transit vehicles. The product line emphasizes compatibility and durability, ensuring that each sensor integrates seamlessly with the vehicle’s existing systems.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel mixture for efficient combustion
  • Reduces harmful emissions by accurately monitoring oxygen levels
  • Prevents engine performance issues related to faulty sensors
  • Addresses check engine light triggers caused by sensor failure
  • Improves fuel economy by providing accurate feedback to the engine control unit

Installation Notes and Tips

When installing the Walker 350-341078 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the connector’s radiused polygon shape and female gender match the vehicle’s wiring harness. Properly route the 14.56-inch wiring harness to avoid contact with hot or moving parts. It is recommended to apply anti-seize compound on the threads before installation to facilitate future removal.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and ensure durability. The 350-341078 sensor is manufactured to provide consistent performance throughout its service life. While specific warranty details are not provided here, Walker Products Aftermarket parts typically come with a limited warranty covering defects in materials and workmanship.

BrandWalker
Part Number350-341078
PositionWalker Products Aftermarket, Downstream Left
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length17.71
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length14.56

This part fits 40 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2015FordTransit-150XLT3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-150XLT3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-150XL3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-150XL3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-150Base3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-150Base3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-150XLT3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-150XLT3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-150XL3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-150XL3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-150Base3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-150Base3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-250Base3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-250Base3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-250Base3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-250Base3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-350XLT3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-350XLT3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-350XL3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-350XL3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-350Base3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-350Base3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-350XLT3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-350XLT3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-350XL3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-350XL3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-350Base3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-350Base3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-350 HDXLT3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-350 HDXLT3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-350 HDXL3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-350 HDXL3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-350 HDBase3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products Aftermarket
2015FordTransit-350 HDBase3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products Aftermarket
2015FordTransit-350 HDXLT3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-350 HDXLT3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-350 HDXL3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-350 HDXL3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket
2015FordTransit-350 HDBase3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products Aftermarket
2015FordTransit-350 HDBase3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products Aftermarket

* 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:

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