HomeEmission Control > SensorsWalker 250-241186 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 250-241186

Walker 250-241186 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products OE, 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 OE, Downstream Left
Fitment: Ford, Transit-150, Transit-250, Transit-350, and Transit-350 HD
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Overview of Walker 250-241186 Oxygen Sensor for Ford Transit

The Walker 250-241186 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
  • 14.56 inches wiring harness length with radiused polygon female connector
  • Wire gauge measurement of 20 for reliable electrical conductivity
  • Overall length of 17.71 inches for proper installation depth

Detailed Product Features and Specifications

This Walker Products OE oxygen sensor (part number 250-241186) features a heated sensor type that allows for faster warm-up times and improved sensor response. The 4-wire configuration supports both the sensor signal and heater circuit, ensuring consistent operation under various engine conditions. The wiring harness length of 14.56 inches provides sufficient reach for installation in the exhaust system of Ford Transit vehicles. The connector is a radiused polygon female type, designed to match the original equipment specifications for a secure and reliable connection. The sensor mounts via a threaded fitting with an 18.0 mm diameter, matching factory mounting points for straightforward replacement.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering direct-fit emission control components that meet original equipment standards. This oxygen sensor is part of that line, ensuring compatibility and performance consistent with factory-installed parts. Using Walker Products OE parts helps maintain the emission system integrity of Ford Transit vehicles, supporting compliance with environmental regulations.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for engine control modules
  • Helps resolve rough idling and poor fuel economy caused by faulty sensors
  • Reduces emissions by ensuring proper catalytic converter function
  • Eliminates check engine light triggers related to oxygen sensor faults
  • Prevents drivability issues linked to incorrect exhaust gas measurements

Installation Notes and Tips

When installing the Walker 250-241186 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness or connector. Verify the connector shape and gender match the vehicle’s harness before installation. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper sensor operation.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. This part undergoes rigorous testing to verify fitment and function on specified Ford Transit models. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary.

BrandWalker
Part Number250-241186
PositionWalker Products OE, 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 OE
2015FordTransit-150XLT3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-150XL3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-150XL3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-150Base3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-150Base3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-150XLT3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-150XLT3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-150XL3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-150XL3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-150Base3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-150Base3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-250Base3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-250Base3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-250Base3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-250Base3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-350XLT3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-350XLT3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-350XL3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-350XL3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-350Base3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-350Base3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-350XLT3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-350XLT3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-350XL3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-350XL3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-350Base3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-350Base3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-350 HDXLT3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-350 HDXLT3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-350 HDXL3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-350 HDXL3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-350 HDBase3.5LV6GASDownstream RightCompatible downstream right Oxygen Sensor with bank 1 sensor 2.; Walker Products OE
2015FordTransit-350 HDBase3.5LV6GASDownstream LeftDownstream left oxygen sensor for bank 2 sensor 2; Walker Products OE
2015FordTransit-350 HDXLT3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-350 HDXLT3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-350 HDXL3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-350 HDXL3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE
2015FordTransit-350 HDBase3.5LV6GASDownstream RightDownstream oxygen sensor compatible with right bank 2.; Walker Products OE
2015FordTransit-350 HDBase3.5LV6GASDownstream LeftBank 2, sensor 2 downstream oxygen sensor; Walker Products OE

* 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.