HomeEmission Control > SensorsWalker 350-34125 Oxygen Sensor - Downstream
Part #: 350-34125

Walker 350-34125 Oxygen Sensor - Downstream

Walker Products Aftermarket, Downstream
18 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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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 Aftermarket, Downstream
Fitment: Mitsubishi and Dodge, Mighty Max and Ram 50
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34125 Oxygen Sensor

The Walker 350-34125 oxygen sensor is designed specifically for Dodge Mighty Max and Mitsubishi Ram 50 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 Dodge Mighty Max and Mitsubishi Ram 50
  • 14.29-inch wiring harness length with 4 wires
  • Threaded mounting type with 18.0 mm thread diameter
  • Radiused polygon female connector for secure connection
  • Overall length of 17.83 inches for proper installation
  • 20 gauge wire for reliable signal transmission

Detailed Product Description

This Walker oxygen sensor (part number 350-34125) is engineered to meet the exact specifications required by Dodge Mighty Max and Mitsubishi Ram 50 vehicles. Featuring a heated sensor element, it provides quicker warm-up times compared to non-heated sensors, which helps reduce emissions during cold starts. The sensor includes a 14.29-inch wiring harness with four 20-gauge wires, ensuring stable electrical signals and compatibility with the vehicle’s existing wiring system. Its threaded mounting type with an 18.0 mm diameter allows for secure installation in the exhaust system. The radiused polygon female connector is designed to fit precisely, minimizing the risk of loose connections or electrical faults.

Walker Products Aftermarket Line

The Walker Products Aftermarket line focuses on delivering reliable emission control components that meet or exceed OEM standards. This oxygen sensor is part of that line, providing a direct replacement solution tailored for specific vehicle models like the Dodge Mighty Max and Mitsubishi Ram 50. The product line emphasizes durability and precise fitment to maintain vehicle emissions compliance and engine efficiency.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for proper air-fuel mixture control
  • Helps resolve rough idling caused by faulty oxygen sensors
  • Reduces increased emissions and failed emissions tests
  • Improves fuel economy by ensuring correct sensor feedback
  • Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Walker 350-34125 oxygen sensor, ensure the vehicle is cool to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the threaded mounting hole. Confirm the radiused polygon female connector aligns correctly with the vehicle harness before securing. It is recommended to check for any exhaust leaks after installation to maintain sensor accuracy.

Quality Assurance and Warranty

Walker oxygen sensors undergo rigorous testing to meet emission control standards and provide reliable performance. This part is manufactured to precise specifications for Dodge Mighty Max and Mitsubishi Ram 50 vehicles. Warranty details are available through Walker Products Aftermarket and typically cover defects in materials and workmanship under normal use.

BrandWalker
Part Number350-34125
PositionWalker Products Aftermarket, Downstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length17.83
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length14.29

This part fits 18 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersFuel TypePositionNotes
1996MitsubishiMighty MaxManual2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
1996MitsubishiMighty MaxAutomatic2.4LL4GASDownstreamFits downstream bank 1 sensor 2 on specific vehicle models.; Walker Products Aftermarket
1995MitsubishiMighty MaxManual2.4LL4GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket
1995MitsubishiMighty MaxAutomatic2.4LL4GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket
1995MitsubishiMighty MaxManual2.4LL4GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket
1995MitsubishiMighty MaxAutomatic2.4LL4GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket
1994MitsubishiMighty MaxManual2.4LL4GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket
1994MitsubishiMighty MaxAutomatic2.4LL4GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket
1994MitsubishiMighty MaxManual2.4LL4GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket
1994MitsubishiMighty MaxAutomatic2.4LL4GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket
1993DodgeRam 50Manual2.4LL4GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket
1993DodgeRam 50Automatic2.4LL4GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket
1993DodgeRam 50Manual2.4LL4GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket
1993DodgeRam 50Automatic2.4LL4GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket
1993MitsubishiMighty MaxManual2.4LL4GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket
1993MitsubishiMighty MaxAutomatic2.4LL4GASDownstreamDownstream oxygen sensor for B1S2 position in California emissions.; Walker Products Aftermarket
1993MitsubishiMighty MaxManual2.4LL4GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket
1993MitsubishiMighty MaxAutomatic2.4LL4GASDownstreamDownstream oxygen sensor compatible with California-ESV vehicles in bank 1 position 2.; Walker Products Aftermarket

* 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.