HomeEmission Control > SensorsWalker 250-241121 Oxygen Sensor - Upstream
Part #: 250-241121

Walker 250-241121 Oxygen Sensor - Upstream

Walker Products OE, Upstream
7 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: Acura, CL and TL
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-241121 Oxygen Sensor for Acura CL and TL

The Walker Products OE 250-241121 oxygen sensor is designed specifically for Acura CL and TL models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases precisely.

  • Heated sensor type for faster response times
  • Specific fit for Acura CL and TL vehicles
  • 14.37-inch wiring harness length for proper installation
  • 20 gauge wire measurement with 4 wires for reliable signal transmission
  • Radiused polygon male connector for secure connection
  • Threaded mounting type with 18.0 mm thread diameter
  • Overall length of 17.71 inches for correct placement

Walker Products OE Brand Line Details

The Walker Products OE line focuses on delivering original equipment quality parts that meet or exceed factory specifications. The 250-241121 oxygen sensor is part of this line, ensuring compatibility and performance tailored to Acura CL and TL models. This product line emphasizes precise fitment and durability, supporting emission control systems effectively.

Product Features and Technical Specifications

This oxygen sensor features a heated element to reduce warm-up time, improving fuel efficiency and reducing emissions sooner after engine start. The 4-wire design includes two wires for the sensor signal and two for the heater circuit, enhancing sensor responsiveness. The radiused polygon male connector ensures a secure and corrosion-resistant connection, while the threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the exhaust system.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel mixture for Acura CL and TL engines
  • Reduces engine misfires and rough idling caused by faulty oxygen sensors
  • Prevents increased emissions and failed emissions tests
  • Improves fuel economy by providing accurate exhaust gas readings
  • Supports the vehicle’s onboard diagnostics system for better engine management

Installation Notes and Tips

When installing the Walker 250-241121 oxygen sensor, ensure the vehicle is cool to avoid burns. Use the correct socket size for the 18.0 mm threaded sensor to prevent damage. Verify the radiused polygon male connector is fully seated and locked to avoid signal interruptions. Follow Acura CL and TL manufacturer torque specifications for mounting to ensure proper sealing and sensor function.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number 250-241121 undergoes rigorous testing to comply with emission control requirements. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number250-241121
PositionWalker Products OE, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length17.71
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length14.37

This part fits 7 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2003AcuraCL3.2LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2003AcuraTL3.2LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2002AcuraCL3.2LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2002AcuraTL3.2LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2001AcuraCL3.2LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2001AcuraTL3.2LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
2000AcuraTL3.2LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; 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.