HomeEmission Control > SensorsWalker 250-24497 Oxygen Sensor - Upstream
Part #: 250-24497

Walker 250-24497 Oxygen Sensor - Upstream

Walker Products OE, Upstream
2 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
Fitment: Saab, 9-3
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-24497 Oxygen Sensor for Saab 9-3

The Walker Products OE 250-24497 oxygen sensor is designed specifically for the Saab 9-3, providing precise emission control and engine performance monitoring. This heated oxygen sensor features a threaded mounting type and a radiused polygon male connector for secure installation.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Saab 9-3 models
  • Threaded mounting with 18.0 mm thread diameter
  • 14.09-inch wiring harness length and 17.64-inch overall length
  • Radiused polygon male connector for reliable connection
  • 20 gauge wire for durability and signal integrity

Detailed Product Features and Specifications

The Walker 250-24497 oxygen sensor is engineered with a 4-wire heated sensor design, which allows for faster warm-up times and improved accuracy in measuring exhaust gases. The sensor’s wiring harness length of 14.09 inches and overall length of 17.64 inches ensure proper reach and fitment within the Saab 9-3’s exhaust system. The 20 gauge wire size supports consistent electrical performance, while the radiused polygon male connector provides a secure and precise connection to the vehicle’s wiring harness. The threaded mounting type with an 18.0 mm diameter allows for straightforward installation and compatibility with the Saab 9-3’s factory sensor ports.

Walker Products OE Brand Line Information

Walker Products OE is a dedicated product line focused on delivering original equipment quality emission control components. This oxygen sensor is part of the Walker Products OE line, which emphasizes exact fitment and reliable performance for specific vehicle applications. The 250-24497 sensor meets the standards expected from OE replacement parts, ensuring compatibility and durability for the Saab 9-3.

Common Applications and Issues Addressed

  • Maintains accurate air-fuel mixture readings for optimal engine performance
  • Helps reduce harmful emissions by monitoring exhaust gases
  • Prevents engine misfires caused by faulty oxygen sensor signals
  • Improves fuel efficiency by providing precise feedback to the engine control unit
  • Resolves check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 250-24497 oxygen sensor on a Saab 9-3, ensure the threaded mounting hole is clean and free of debris. Use anti-seize compound on the sensor threads to facilitate future removal. Verify the connector’s radiused polygon shape matches the vehicle harness to avoid connection issues. Proper torque specifications should be followed to prevent sensor damage or exhaust leaks.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 250-24497 part number undergoes rigorous quality control to ensure consistent operation within emission control systems. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number250-24497
PositionWalker Products OE, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length17.64
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length14.09

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2003Saab9-32.0LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2003Saab9-32.0LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; 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.