HomeEmission Control > SensorsWalker 250-24746 Oxygen Sensor - Downstream Left or Downstream Right
Part #: 250-24746

Walker 250-24746 Oxygen Sensor - Downstream Left or Downstream Right

Walker Products OE, Downstream Left
35 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$59.67Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Walker Products OE, Downstream Left
Fitment: Chevrolet and Cadillac, Camaro, CTS, and STS
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 250-24746

The Walker Products OE Oxygen Sensor 250-24746 is designed specifically for select Cadillac and Chevrolet models, including the Camaro, CTS, and STS. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data.

  • Heated oxygen sensor with 4-wire configuration
  • Specific fit for Cadillac and Chevrolet Camaro, CTS, STS
  • 11.34-inch wiring harness length for proper installation
  • 22 gauge wire measurement for durability and signal integrity
  • Radiused polygon female connector for secure connection
  • Threaded mounting type with 18.0 mm thread diameter
  • Overall length of 14.88 inches for exact fitment

Detailed Product Features and Specifications

This oxygen sensor from Walker Products OE features a heated sensor type that allows for faster warm-up times and improved emissions monitoring. The 4-wire design includes two wires for the heater circuit and two for the sensor signal, ensuring reliable operation. The wiring harness length of 11.34 inches provides sufficient reach for installation in the exhaust system of compatible vehicles. The 22 gauge wire measurement balances flexibility and durability, while the radiused polygon female connector ensures a secure and precise fit. The sensor mounts via a threaded connection with an 18.0 mm diameter, matching OEM specifications for Cadillac and Chevrolet models such as the Camaro, CTS, and STS. The overall length of 14.88 inches supports proper positioning within the exhaust stream.

Walker Products OE Brand Line Information

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. This oxygen sensor 250-24746 is engineered to match the exact fit, form, and function of the factory-installed sensor, supporting compliance with emissions standards and maintaining vehicle performance. The OE line emphasizes quality and compatibility for specific vehicle applications, including the Cadillac and Chevrolet models listed.

Common Applications and Issues Addressed

  • Replacement for faulty or failing oxygen sensors in Cadillac Camaro, CTS, and STS
  • Resolves engine performance issues related to incorrect air-fuel mixture readings
  • Helps correct rough idling and poor fuel economy caused by sensor malfunction
  • Supports emissions system compliance by providing accurate exhaust gas data
  • Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid burns. Disconnect the battery to prevent electrical shorts. Use the 18.0 mm threaded mounting to securely install the sensor in the exhaust manifold or pipe. Verify the radiused polygon female connector matches the vehicle harness for proper connection. Avoid damaging the wiring harness during installation and confirm the sensor is positioned correctly to ensure accurate readings.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The 250-24746 part number undergoes rigorous testing to ensure reliable operation in emission control systems. While specific warranty details may vary, Walker typically offers coverage against defects in materials and workmanship to support long-term use in Cadillac and Chevrolet vehicles.

BrandWalker
Part Number250-24746
PositionWalker Products OE, Downstream Left
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length14.88
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement22
Wire Quantity4
Wiring Harness Length11.34

This part fits 35 vehicles. Search below:

YearMakeModelSubmodelTransmissionLitersCylindersFuel TypePositionNotes
2015ChevroletCamaroLTAutomatic3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2015ChevroletCamaroLSAutomatic3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2015ChevroletCamaroLTAutomatic3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2015ChevroletCamaroLSAutomatic3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2014CadillacCTS3.6LV6FLEXDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2014CadillacCTS3.0LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2014CadillacCTS3.6LV6FLEXDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2014CadillacCTS3.0LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2014ChevroletCamaroLTAutomatic3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2014ChevroletCamaroLSAutomatic3.6LV6GASDownstream LeftDownstream left side oxygen sensor for Bank 1 Sensor 2 position.; Walker Products OE
2014ChevroletCamaroLTAutomatic3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2014ChevroletCamaroLSAutomatic3.6LV6GASDownstream LeftDownstream Left Oxygen Sensor Bank 1 Sensor 2.; Walker Products OE
2013CadillacCTS3.6LV6FLEXDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2013CadillacCTS3.0LV6Downstream LeftDownstream left oxygen sensor required.; Walker Products OE
2013ChevroletCamaroAutomatic3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2012CadillacCTS3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2012CadillacCTS3.0LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2012ChevroletCamaro3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2011CadillacCTSAutomatic3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2011CadillacCTS3.0LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2011CadillacSTS3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2011ChevroletCamaroAutomatic3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2010CadillacCTSAutomatic3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2010CadillacCTS3.0LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2010CadillacSTS3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2010ChevroletCamaroAutomatic3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2009CadillacCTSBaseAutomatic3.6LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2009CadillacCTSAutomatic3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2009CadillacSTS3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; Walker Products OE
2008CadillacCTSBaseAutomatic3.6LV6GASDownstream RightInstall downstream oxygen sensor on the right side.; Walker Products OE
2008CadillacCTSAutomatic3.6LV6GASDownstream Leftw/ Direct Injection; Con inyección directa; Downstream; Left; Walker Products OE
2008CadillacCTSAutomatic3.6LV6GASDownstream Leftw/o Direct Injection; Sin inyección directa; Downstream; Left; Walker Products OE
2008CadillacCTSAutomatic3.6LV6GASDownstream Leftw/ Direct Injection; Downstream; Left; Walker Products OE
2008CadillacCTSAutomatic3.6LV6GASDownstream Leftw/o Direct Injection; Downstream; Left; Walker Products OE
2008CadillacSTS3.6LV6GASDownstream LeftDownstream left oxygen sensor required.; 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.