HomeEmission Control > SensorsWalker 250-241210 Oxygen Sensor - Downstream Rear
Part #: 250-241210

Walker 250-241210 Oxygen Sensor - Downstream Rear

Walker Products OE, Downstream Rear
⚙️ 4 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$120.49Free 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: Nissan, Quest
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker Oxygen Sensor for Nissan Quest

The Walker Products OE Oxygen Sensor, part number 250-241210, is designed specifically for Nissan Quest models. This sensor plays a critical role in monitoring exhaust gases to optimize engine performance and reduce emissions.

  • Compatible with Nissan Quest vehicles
  • Walker Products OE brand line ensures OEM-quality standards
  • Part number 250-241210 for precise fitment
  • Category: Emission Control > Sensors
  • Type: Oxygen Sensor

About the Walker Products OE Brand Line

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. This ensures that the oxygen sensor maintains the integrity and performance expected by Nissan for the Quest model. Using parts from this line helps maintain factory-level emissions compliance and engine efficiency.

Product Description and Function

The Walker 250-241210 oxygen sensor is engineered to accurately measure the oxygen content in the exhaust stream of Nissan Quest vehicles. This data is essential for the engine control unit (ECU) to adjust the air-fuel mixture, promoting efficient combustion and reducing harmful emissions. The sensor's design and materials are selected to withstand harsh exhaust conditions, providing reliable feedback over the sensor's service life.

Common Applications and Issues Addressed

  • Helps resolve rough idling and engine hesitation
  • Reduces increased fuel consumption caused by faulty oxygen sensors
  • Assists in correcting failed emissions tests
  • Prevents check engine light triggers related to air-fuel mixture problems
  • Supports overall engine performance and exhaust system health

Installation Notes and Tips

When installing the Walker 250-241210 oxygen sensor on a Nissan Quest, ensure the vehicle is cool to avoid burns. Use appropriate tools to avoid damaging the sensor or wiring harness. It is recommended to inspect the wiring and connectors for corrosion or damage before installation. 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 standards, ensuring consistent performance and durability. While specific warranty details are not provided here, Walker typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2017NissanQuest3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2016NissanQuest3.5LV6GASDownstream RearRear downstream oxygen sensor must be installed in correct position.; Walker Products OE
2015NissanQuest3.5LV6GASDownstream RearDe 08/2014; Downstream; Rear; From 08/2014; Walker Products OE
2015NissanQuest3.5LV6GASDownstream RearDownstream; Rear; From 08/2014; Walker Products OE

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.