HomeEmission Control > SensorsWalker 250-24178 Oxygen Sensor - Upstream
Part #: 250-24178

Walker 250-24178 Oxygen Sensor - Upstream

Walker Products OE, Upstream
⚙️ 2 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Walker Products OE, Upstream
🚗Fitment: Volvo, 850
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Overview of Walker 250-24178 Oxygen Sensor for Volvo 850

The Walker 250-24178 oxygen sensor is designed specifically for the Volvo 850, 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 Volvo 850 models
  • 18.82-inch wiring harness length for flexible placement
  • Thread diameter of 18.0 mm with threaded mounting
  • Radiused polygon male connector for reliable connection
  • Wire gauge measurement of 20 for durability and signal integrity
  • Overall length of 22.36 inches for proper fitment

Detailed Product Description

The Walker 250-24178 oxygen sensor is engineered to meet the exact specifications of the Volvo 850, providing accurate air-fuel mixture readings to the engine control unit. This heated sensor type improves response time and performance in cold start conditions. Featuring a 4-wire design and a 20-gauge wire measurement, it ensures consistent signal transmission. The sensor’s 18.82-inch wiring harness length and 22.36-inch overall length allow for proper routing and installation within the engine bay. The radiused polygon male connector and 18.0 mm threaded mounting type provide a secure and precise fit, reducing the risk of leaks or disconnections.

Walker Products OE Brand Line

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts designed to meet or exceed factory specifications. The Walker Products OE line ensures compatibility and reliability for specific vehicle applications, such as the Volvo 850, making it a suitable replacement part for emission control sensors.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for improved fuel efficiency
  • Resolves engine performance issues related to faulty sensors
  • Helps reduce harmful emissions by maintaining proper air-fuel ratio
  • Eliminates check engine light triggers caused by sensor failure
  • Prevents rough idling and poor acceleration linked to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 250-24178 oxygen sensor on a Volvo 850, ensure the threaded mounting is properly tightened to manufacturer torque specifications to avoid exhaust leaks. Verify the connector orientation matches the radiused polygon male design for a secure fit. Handle the sensor wiring carefully to prevent damage to the 20-gauge wires and maintain signal integrity. It is recommended to use anti-seize compound on the threads if specified by the vehicle manufacturer.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring durability and reliable performance. This part number 250-24178 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number250-24178
PositionWalker Products OE, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length22.36
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length18.82

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1994Volvo8502.4LL5GASUpstreamExc.Air Pump, From Chassis/VIN #70019; Excluye bomba de aire, De Chasis / VIN # 70019; Upstream; Walker Products OE
1994Volvo8502.4LL5GASUpstreamExc. Air Pump, Upstream, From Chassis/VIN #70019; 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.