HomeEmission Control > SensorsWalker 250-23078 Oxygen Sensor - Upstream Front or Upstream Rear
Part #: 250-23078

Walker 250-23078 Oxygen Sensor - Upstream Front or Upstream Rear

Walker Products OE, Upstream Front
6 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, Upstream Front
Fitment: Saab, 900 and 9000
Easy Returns — Return within 60 days for a full refund
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Overview of Walker 250-23078 Oxygen Sensor for Saab 900 and 9000

The Walker 250-23078 oxygen sensor is designed specifically for Saab 900 and 9000 models, 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 for accurate emissions monitoring
  • Specific fit for Saab 900 and 9000 vehicles
  • 16.46-inch wiring harness length with 3 wires of 20 gauge
  • Threaded mounting with 18.0 mm thread diameter
  • Radiused polygon male connector for reliable connection
  • Overall length of 20.0 inches for proper fitment

Detailed Features and Specifications

This Walker Products OE oxygen sensor (part number 250-23078) is engineered with a 16.46-inch wiring harness and three 20-gauge wires, providing a robust electrical connection for accurate sensor readings. The heated sensor type allows for faster warm-up times, improving emission control efficiency shortly after engine start. The sensor’s threaded mounting with an 18.0 mm diameter ensures a secure fit in the exhaust system, while the radiused polygon male connector guarantees compatibility with the vehicle’s wiring harness. The overall length of 20.0 inches supports proper installation without strain on the wiring.

Walker Products OE Brand Line

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. This oxygen sensor is part of that line, providing a direct replacement solution for Saab 900 and 9000 models. The OE designation ensures compatibility and performance consistent with the original sensor installed by the manufacturer.

Common Applications and Issues Addressed

  • Maintains proper air-fuel mixture for efficient combustion
  • Helps reduce harmful emissions by accurate oxygen level detection
  • Prevents engine performance issues related to faulty sensors
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by ensuring sensor accuracy

Installation Notes and Tips

When installing the Walker 250-23078 oxygen sensor, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the threads if recommended by the vehicle manufacturer to prevent seizing. Connect the radiused polygon male connector securely to the vehicle’s wiring harness, verifying the wire gauge and quantity match the original sensor. Proper torque specifications should be followed to avoid damage to the sensor or exhaust components.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-23078 undergoes rigorous testing to comply with emission control requirements for Saab 900 and 9000 vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number250-23078
PositionWalker Products OE, Upstream Front
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length20.0
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity3
Wiring Harness Length16.46

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1995Saab9002.5LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
1995Saab9002.5LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE
1995Saab90003.0LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
1995Saab90003.0LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE
1994Saab9002.5LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
1994Saab9002.5LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; 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.