HomeEmission Control > SensorsWalker 250-24391 Oxygen Sensor
Part #: 250-24391

Walker 250-24391 Oxygen Sensor

Walker Products OE, Downstream Rear
74 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$64.24Free 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 Rear
Fitment: Honda, Acura, and Saturn, Odyssey, RL, Pilot, Ridgeline, Accord, Vue, MDX, TL, NSX, and S2000
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-24391 Oxygen Sensor

The Walker 250-24391 oxygen sensor is designed specifically for select Acura, Honda, and Saturn models. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by monitoring exhaust gases effectively.

  • Heated sensor type for faster response times
  • Specific fit for Acura, Honda, and Saturn vehicles
  • 23.15-inch wiring harness length with 4 wires
  • 20 gauge wire measurement for durability
  • Radiused polygon male connector for secure connection
  • Threaded mounting type with 18.0 mm thread diameter
  • Overall length of 26.69 inches for proper installation

Walker Products OE Brand Line Details

This oxygen sensor is part of the Walker Products OE line, which focuses on providing original equipment quality parts. The Walker Products OE line ensures that components like the 250-24391 oxygen sensor meet or exceed factory specifications, offering reliable performance and compatibility with specific vehicle models.

Product Description and Attributes

The Walker 250-24391 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving fuel efficiency and reducing emissions. Its 23.15-inch wiring harness and 4-wire configuration with 20 gauge wires provide a robust electrical connection. The radiused polygon male connector ensures a precise fit, minimizing the risk of connection issues. The sensor mounts via a threaded 18.0 mm diameter fitting, with an overall length of 26.69 inches to accommodate proper placement in the exhaust system.

Compatible Vehicles and Applications

This oxygen sensor is compatible with a range of Acura, Honda, and Saturn models, including the Acura MDX, NSX, RL, S2000, TL; Honda Accord, Odyssey, Pilot, Ridgeline; and Saturn Vue. It is designed for specific fitment, ensuring proper function and ease of installation in these vehicles.

  • Helps resolve engine performance issues related to incorrect air-fuel mixture
  • Addresses check engine light triggers caused by faulty oxygen sensors
  • Improves emissions control for compliance with environmental standards
  • Reduces rough idling and poor fuel economy
  • Prevents damage to catalytic converters by maintaining proper sensor feedback

Installation Notes and Tips

When installing the Walker 250-24391 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. Connect the radiused polygon male connector securely to the vehicle’s wiring harness. Verify the wiring harness length and connector type match the vehicle’s specifications to avoid fitment issues.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet original equipment standards, providing reliable performance and durability. The 250-24391 part number undergoes rigorous testing to ensure accurate sensor readings and long service life. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandWalker
Part Number250-24391
PositionWalker Products OE, Downstream Rear
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length26.69
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length23.15

This part fits 74 vehicles. Search below:

YearMakeModelSubmodel# DoorsTransmissionLitersCylindersFuel TypePositionNotes
2010HondaOdysseyLX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2010HondaOdysseyEX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2009HondaOdysseyLX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2009HondaOdysseyEX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2008AcuraRL3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2008HondaOdysseyLX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2008HondaOdysseyEX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2008HondaPilot3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2008HondaRidgeline3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2007AcuraRL3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2007HondaAccordManual3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2007HondaAccordManual3.0LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products OE
2007HondaAccordAutomatic3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2007HondaAccord3.0LV6ELECTRIC/GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2007HondaOdyssey3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2007HondaPilot3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2007HondaRidgeline3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2007SaturnVue3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006AcuraMDX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006AcuraRL3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006AcuraTLManual3.2LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006AcuraTLManual3.2LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products OE
2006AcuraTLAutomatic3.2LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006HondaAccordManual3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006HondaAccordManual3.0LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products OE
2006HondaAccordAutomatic3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006HondaAccord3.0LV6ELECTRIC/GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006HondaOdyssey3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006HondaPilot3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006HondaRidgeline3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2006SaturnVue3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005AcuraMDX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005AcuraNSXAutomatic3.0LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
2005AcuraNSXAutomatic3.0LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE
2005AcuraRL3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005AcuraTL3.2LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005HondaAccord4 Door3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005HondaAccord3.0LV6ELECTRIC/GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005HondaAccord2 DoorManual3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005HondaAccord2 DoorManual3.0LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products OE
2005HondaAccord2 DoorAutomatic3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005HondaOdyssey3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005HondaPilot3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2005HondaS20002.2LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2005HondaS20002.2LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2005SaturnVue3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2004AcuraMDX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2004AcuraNSXAutomatic3.0LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
2004AcuraNSXAutomatic3.0LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE
2004AcuraTL3.2LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2004HondaAccord4 Door3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2004HondaAccord2 DoorManual3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2004HondaAccord2 DoorManual3.0LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products OE
2004HondaAccord2 DoorAutomatic3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2004HondaS20002.2LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
2004HondaS20002.2LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
2004SaturnVue3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2003AcuraMDX3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2003AcuraNSXAutomatic3.0LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
2003AcuraNSXAutomatic3.0LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE
2003HondaAccord4 Door3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2003HondaAccord2 DoorManual3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2003HondaAccord2 DoorManual3.0LV6GASDownstream FrontDownstream front oxygen sensor required.; Walker Products OE
2003HondaAccord2 DoorAutomatic3.0LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2002AcuraNSXAutomatic3.0LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
2002AcuraNSXAutomatic3.0LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE
2001AcuraNSXAutomatic3.0LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
2001AcuraNSXAutomatic3.0LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE
2000AcuraNSXAutomatic3.0LV6GASUpstream RearUpstream oxygen sensor for rear exhaust system.; Walker Products OE
2000AcuraNSXAutomatic3.0LV6GASUpstream FrontFront upstream oxygen sensor needed for proper functionality near exhaust manifold.; Walker Products OE
1998AcuraTL2.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
1997AcuraTL2.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
1996AcuraTL2.5LL5GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products OE
1995AcuraTL2.5LL5GASUpstreamInstall 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.