HomeEmission Control > SensorsWalker 250-24386 Oxygen Sensor - Downstream or Upstream
Part #: 250-24386

Walker 250-24386 Oxygen Sensor - Downstream or Upstream

Walker Products OE, Downstream
3 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
Fitment: Mercedes-Benz, S320
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Products OE Oxygen Sensor 250-24386

The Walker Products OE Oxygen Sensor 250-24386 is designed specifically for the Mercedes-Benz S320, ensuring precise emission control and optimal engine performance. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

  • Heated oxygen sensor with 4 wires for accurate readings
  • Specific fit for Mercedes-Benz S320 models
  • Threaded mounting with 18.0 mm thread diameter
  • 14.29 inches wiring harness length and 20 gauge wire measurement
  • Radiused polygon male connector for reliable connection
  • Overall length of 17.83 inches for proper fitment

Detailed Product Description

This Walker Products OE oxygen sensor (part number 250-24386) is engineered to meet the exact specifications of the Mercedes-Benz S320. The sensor type is heated, which allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. It includes four wires with a 20 gauge measurement, providing stable signal transmission. The wiring harness length of 14.29 inches and overall length of 17.83 inches ensure compatibility with the vehicle’s existing wiring layout. The sensor mounts via a threaded connection with an 18.0 mm diameter, and the radiused polygon male connector guarantees a secure and precise fit.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. This oxygen sensor is part of that line, ensuring it matches the performance and durability expected by Mercedes-Benz for the S320. Using a Walker Products OE sensor helps maintain the vehicle’s emission control system integrity and supports compliance with environmental standards.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture
  • Helps resolve rough idling and engine hesitation
  • Reduces increased emissions and failed emissions tests
  • Prevents check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by ensuring efficient combustion

Installation Notes and Tips

When installing the Walker Products OE oxygen sensor 250-24386 on a Mercedes-Benz S320, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer. Connect the radiused polygon male connector securely to avoid signal interruptions. Verify wiring harness routing to prevent damage from heat or moving parts. Proper torque specifications should be followed to avoid sensor damage.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-24386 undergoes rigorous testing to comply with OEM requirements. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region.

BrandWalker
Part Number250-24386
PositionWalker Products OE, Downstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length17.83
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length14.29

This part fits 3 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1996Mercedes-BenzS3203.2LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
1996Mercedes-BenzS3203.2LL6GASDownstreamDownstream oxygen sensor for vehicle installation.; Walker Products OE
1995Mercedes-BenzS3203.2LL6GASUpstreamInstall upstream oxygen sensor for optimal performance.; 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.