HomeEmission Control > SensorsWalker 250-241122 Oxygen Sensor - Downstream
Part #: 250-241122

Walker 250-241122 Oxygen Sensor - Downstream

Walker Products OE, Downstream
22 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products OE, Downstream
Fitment: Saab and Volvo, 9-5, 9-3, and S80
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-241122 Oxygen Sensor for Saab and Volvo

The Walker 250-241122 oxygen sensor is designed specifically for select Saab and Volvo models, including the Saab 9-3, 9-5, and Volvo S80. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Saab 9-3, 9-5 and Volvo S80
  • 36.93-inch wiring harness length for flexible installation
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon male connector for secure connection
  • Wire gauge measurement of 20 for reliable signal transmission
  • Overall length of 40.47 inches for proper fitment

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on delivering original equipment quality parts. Walker Products OE sensors are engineered to meet or exceed factory specifications, ensuring compatibility and durability for emission control systems in specific vehicle applications like Saab and Volvo.

Technical Description and Features

The Walker 250-241122 oxygen sensor features a heated sensor type that allows for quicker activation and more accurate readings under various operating conditions. The 4-wire design includes two wires for the heating element and two for the sensor signal, improving responsiveness and reliability. The sensor’s radiused polygon male connector ensures a secure and precise fit, reducing the risk of connection issues. With a wiring harness length of 36.93 inches and an overall length of 40.47 inches, this sensor provides ample reach for installation in the exhaust system of Saab 9-3, 9-5, and Volvo S80 models. The threaded mounting type with an 18.0 mm diameter allows for straightforward replacement without modification.

Common Applications and Problem Resolution

  • Helps maintain proper air-fuel mixture for efficient combustion
  • Reduces harmful emissions by providing accurate oxygen level data
  • Prevents engine performance issues related to faulty sensors
  • Addresses check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by ensuring correct sensor feedback

Installation Notes and Tips

When installing the Walker 250-241122 oxygen sensor, ensure the vehicle is compatible with this specific part number and fitment for Saab 9-3, 9-5, and Volvo S80 models. Use proper tools to remove the old sensor and avoid damaging the threaded mounting area. The 36.93-inch wiring harness length provides flexibility, but routing should avoid excessive heat or sharp edges. Confirm the radiused polygon male connector is fully seated to prevent signal interruptions.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet stringent quality standards, ensuring reliable performance and durability. This part undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the supplier or manufacturer, as they may vary by region.

BrandWalker
Part Number250-241122
PositionWalker Products OE, Downstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length40.47
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length36.93

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2009Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2008Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2007Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2006Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2005Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2004Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2003Saab9-32.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2003Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2002Saab9-32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2002Saab9-32.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2002Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2002VolvoS802.9LL6GASDownstreamDownstream oxygen sensor for cylinders 1-3.; Walker Products OE
2002VolvoS802.9LL6GASDownstreamCylinder 1-3 Downstream Oxygen Sensor; Walker Products OE
2001Saab9-32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2001Saab9-32.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2001Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2001VolvoS802.9LL6GASDownstreamDownstream oxygen sensor compatible with cylinders 4-6.; Walker Products OE
2000Saab9-32.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2000Saab9-32.0LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2000Saab9-52.3LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products OE
2000VolvoS802.9LL6GASDownstreamDownstream oxygen sensor for cylinders 1-3.; Walker Products OE
2000VolvoS802.9LL6GASDownstreamCylinder 1-3 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.