HomeEmission Control > SensorsWalker 350-34502 Oxygen Sensor - Upstream
Part #: 350-34502

Walker 350-34502 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
⚙️ 22 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
📦Walker Products Aftermarket, Upstream
🚗Fitment: Chrysler and Dodge, Pacifica, Town & Country, Caravan, Grand Caravan, and Voyager
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-34502 Oxygen Sensor

The Walker 350-34502 oxygen sensor is designed specifically for select Chrysler and Dodge vehicles, including Caravan, Grand Caravan, Pacifica, Town & Country, and Voyager models. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance.

  • Heated sensor type for faster response times
  • Specific fit for Chrysler and Dodge minivans
  • 16.26-inch wiring harness length for precise installation
  • 20 gauge wire with 4-wire configuration
  • Radiused polygon female connector for secure connection
  • Threaded mounting with 18.0 mm thread diameter
  • Overall length of 19.8 inches for proper fitment

Detailed Product Description

This Walker oxygen sensor (part number 350-34502) is engineered to meet the exact specifications required by Chrysler and Dodge minivans such as the Caravan, Grand Caravan, Pacifica, Town & Country, and Voyager. Featuring a heated sensor element, it provides quicker warm-up times, which helps reduce emissions during cold starts. The sensor includes a 16.26-inch wiring harness with 20 gauge wires arranged in a 4-wire configuration, ensuring reliable signal transmission and heater circuit operation. The radiused polygon female connector is designed for a secure and precise fit, minimizing the risk of connection issues. Its threaded mounting type with an 18.0 mm diameter allows for straightforward installation in the designated exhaust port. The overall length of 19.8 inches accommodates proper positioning within the exhaust system.

Walker Products Aftermarket Line

Walker Products Aftermarket offers a range of emission control components designed to meet or exceed OEM standards. This product line focuses on delivering reliable, vehicle-specific parts that support emissions compliance and engine efficiency. The 350-34502 oxygen sensor is part of this line, providing a direct replacement solution tailored for Chrysler and Dodge minivans.

Common Applications and Issues Addressed

  • Restores accurate oxygen level readings for engine control modules
  • Helps resolve rough idling and poor fuel economy
  • Reduces emissions-related check engine light triggers
  • Improves cold start emissions performance with heated sensor
  • Prevents sensor failure due to wiring or connector issues

Installation Notes and Tips

  • Ensure vehicle compatibility with Chrysler and Dodge Caravan, Grand Caravan, Pacifica, Town & Country, or Voyager models
  • Verify thread size and connector type before installation
  • Use proper torque specifications for the 18.0 mm threaded mount
  • Inspect wiring harness length and routing to avoid damage
  • Disconnect battery before sensor replacement to prevent electrical issues

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet stringent quality standards. The 350-34502 sensor undergoes rigorous testing to ensure durability and performance under typical operating conditions. While specific warranty details may vary, Walker generally provides coverage against defects in materials and workmanship to support long-term reliability.

BrandWalker
Part Number350-34502
PositionWalker Products Aftermarket, Upstream
Connector GenderFemale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length19.8
Sensor TypeHeated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity4
Wiring Harness Length16.26

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2005ChryslerPacifica3.8LV6GASUpstreamTo 7/8/2004; Al 7/8/2004; Upstream; Walker Products Aftermarket
2005ChryslerPacifica3.8LV6GASUpstreamTo 7/8/2004; Upstream; Walker Products Aftermarket
2005ChryslerTown & Country3.8LV6GASUpstreamw/o Next Gen. Eng. Controller; sin módulo de control del motor de nueva generación; Upstream; Walker Products Aftermarket
2005ChryslerTown & Country3.3LV6GASUpstreamw/o Next Gen. Eng. Controller; sin módulo de control del motor de nueva generación; Upstream; Walker Products Aftermarket
2005ChryslerTown & Country3.8LV6GASUpstreamw/o Next Gen. Eng. Controller; Upstream; Walker Products Aftermarket
2005ChryslerTown & Country3.3LV6GASUpstreamw/o Next Gen. Eng. Controller; Upstream; Walker Products Aftermarket
2005DodgeCaravan3.3LV6GASUpstreamTo 7/8/2004; Al 7/8/2004; Upstream; Walker Products Aftermarket
2005DodgeCaravan3.3LV6FLEXUpstreamTo 7/8/2004; Al 7/8/2004; Upstream; Walker Products Aftermarket
2005DodgeCaravan3.3LV6GASUpstreamTo 7/8/2004; Upstream; Walker Products Aftermarket
2005DodgeCaravan3.3LV6FLEXUpstreamTo 7/8/2004; Upstream; Walker Products Aftermarket
2005DodgeGrand Caravan3.8LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2005DodgeGrand Caravan3.3LV6GASUpstreamw/o Next Gen. Eng. Controller; sin módulo de control del motor de nueva generación; Upstream; Walker Products Aftermarket
2005DodgeGrand Caravan3.3LV6FLEXUpstreamw/o Next Gen. Eng. Controller; sin módulo de control del motor de nueva generación; Upstream; Walker Products Aftermarket
2005DodgeGrand Caravan3.3LV6GASUpstreamw/o Next Gen. Eng. Controller; Upstream; Walker Products Aftermarket
2005DodgeGrand Caravan3.3LV6FLEXUpstreamw/o Next Gen. Eng. Controller; Upstream; Walker Products Aftermarket
2004ChryslerPacifica3.5LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2004ChryslerTown & Country3.8LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2004ChryslerTown & Country3.3LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2004ChryslerVoyager3.3LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2004DodgeCaravan3.3LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2004DodgeGrand Caravan3.8LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; Walker Products Aftermarket
2004DodgeGrand Caravan3.3LV6GASUpstreamInstall upstream oxygen sensor for optimal performance.; 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.