HomeEmission Control > SensorsWalker 250-241265 Oxygen Sensor - Downstream Rear, Downstream Right or Upstream Right
Part #: 250-241265

Walker 250-241265 Oxygen Sensor - Downstream Rear, Downstream Right or Upstream Right

OE Base Sensor, Upstream Right, Downstream Right, and Downstream Rear
⚙️ 16 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Base Sensor, Upstream Right, Downstream Right, and Downstream Rear
🚗Fitment: Jeep and Ram, ProMaster 1500, ProMaster 2500, ProMaster 3500, and Wrangler
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Oxygen Sensor for Jeep and Ram Vehicles

The Walker OE Base Sensor 250-241265 is a heated narrow-band oxygen sensor designed specifically for select Jeep and Ram models. Engineered to meet OEM specifications, this sensor ensures accurate air-fuel mixture readings for optimal engine performance and emissions control.

  • Heated oxygen sensor for faster response times
  • Narrow-band sensor type for precise air-fuel ratio monitoring
  • Specific fit for Jeep Wrangler and Ram ProMaster 1500, 2500, 3500
  • Four-wire design with female oblong connector
  • Thread size M18 - 1.5 and 22mm wrench size for installation

Walker OE Base Sensor Product Line Overview

The OE Base Sensor line by Walker focuses on delivering oxygen sensors that match original equipment specifications. This ensures compatibility and reliable performance in emission control systems. The 250-241265 part is part of this line, providing a direct fit solution for Jeep and Ram vehicles requiring a heated narrow-band sensor.

Detailed Product Description

This Walker oxygen sensor features a heated element to reduce warm-up time, allowing the engine control unit to receive accurate oxygen level data sooner. The narrow-band sensor type is designed to detect precise oxygen levels in the exhaust stream, helping maintain efficient combustion and reduce harmful emissions. The sensor’s four-wire configuration includes a female oblong connector, ensuring a secure and proper electrical connection. With a thread size of M18 - 1.5 and a wrench size of 22mm, installation aligns with factory specifications for the Jeep Wrangler and Ram ProMaster series.

Common Applications and Issues Addressed

  • Restores accurate air-fuel ratio readings for improved fuel efficiency
  • Helps resolve check engine light triggers related to oxygen sensor faults
  • Reduces emissions by ensuring proper catalytic converter function
  • Prevents rough idling and engine performance issues caused by faulty sensors
  • Supports compliance with emission regulations for Jeep Wrangler and Ram ProMaster vehicles

Installation Notes and Tips

When installing the Walker 250-241265 oxygen sensor, ensure the engine is cool to avoid burns. Use a 22mm wrench to remove the old sensor and install the new one with the M18 - 1.5 thread size. Confirm the female oblong connector is securely attached to the vehicle’s wiring harness. Proper torque specifications should be followed to prevent sensor damage or exhaust leaks.

Quality Assurance and Warranty

Walker OE Base Sensors are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided here, Walker products typically come with a limited warranty covering defects in materials and workmanship. Using this sensor helps maintain the emission control integrity of Jeep Wrangler and Ram ProMaster vehicles.

BrandWalker
Part Number250-241265
PositionOE Base Sensor, Upstream Right, Downstream Right, and Downstream Rear
HeatedYes
Sensor TypeNarrow-band
Universal Or Specific FitSpecific
Wire Quantity4
Connector ShapeOblong
Connector GenderFemale
Wrench Size22
Thread SizeM18 - 1.5

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2024JeepWrangler3.6LV6Upstream RightOE Base Sensor
2024RamProMaster 15003.6LV6Downstream RearOE Base Sensor
2024RamProMaster 25003.6LV6Downstream RearOE Base Sensor
2024RamProMaster 35003.6LV6Downstream RearOE Base Sensor
2023JeepWrangler3.6LV6Upstream RightOE Base Sensor
2023RamProMaster 15003.6LV6Downstream RightOE Base Sensor
2023RamProMaster 25003.6LV6Downstream RightOE Base Sensor
2023RamProMaster 35003.6LV6Downstream RightOE Base Sensor
2022JeepWrangler3.6LV6Upstream RightOE Base Sensor
2022RamProMaster 15003.6LV6Downstream RightOE Base Sensor
2022RamProMaster 25003.6LV6Downstream RightOE Base Sensor
2022RamProMaster 35003.6LV6Downstream RightOE Base Sensor
2021JeepWrangler3.6LV6Upstream RightOE Base Sensor
2020JeepWrangler3.6LV6GASUpstream RightB1S1; OE Base Sensor
2019JeepWrangler3.6LV6Upstream RightB1S1; OE Base Sensor
2018JeepWrangler3.6LV6Upstream RightB1S1; OE Base Sensor

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