HomeEmission Control > SensorsWalker 350-31036 Oxygen Sensor - Upstream
Part #: 350-31036

Walker 350-31036 Oxygen Sensor - Upstream

Walker Products Aftermarket, Upstream
9 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$48.50Free 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 Aftermarket, Upstream
Fitment: Dodge and Plymouth, Colt
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 350-31036 Oxygen Sensor for Dodge Colt

The Walker 350-31036 oxygen sensor is designed specifically for Dodge Colt models, providing precise emission control sensor functionality. This non-heated oxygen sensor features a threaded mounting type and a radiused polygon male connector, ensuring a secure and accurate fit for your vehicle.

  • Wiring harness length: 23.15 inches
  • Wire gauge measurement: 20 gauge
  • Sensor type: Non-heated oxygen sensor
  • Specific fit for Dodge Colt
  • Wire quantity: 1 wire
  • Connector shape: Radiused polygon
  • Connector gender: Male
  • Thread diameter: 18.0 mm
  • Overall length: 26.69 inches
  • Mounting type: Threaded

Detailed Product Description

This Walker Products Aftermarket oxygen sensor (part number 350-31036) is engineered to meet the exact specifications required for Dodge Colt vehicles. The sensor’s non-heated design utilizes a single 20-gauge wire with a 23.15-inch wiring harness, allowing for reliable signal transmission to the engine control unit. The radiused polygon male connector ensures a secure electrical connection, while the 18.0 mm threaded mounting provides a stable installation point. With an overall length of 26.69 inches, this sensor fits precisely in the designated location on the exhaust system.

The Walker Products Aftermarket line focuses on delivering replacement parts that match OEM standards for fit and function. This oxygen sensor is part of that line, offering a direct-fit solution for emission control systems in Dodge Colt models, helping maintain proper air-fuel mixture and reducing harmful emissions.

Common Applications and Issues Addressed

  • Restores accurate oxygen sensing for Dodge Colt emission systems
  • Helps resolve engine performance issues related to faulty oxygen sensors
  • Reduces rough idling and poor fuel economy caused by sensor failure
  • Assists in passing emissions inspections by ensuring proper sensor operation
  • Prevents check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

  • Ensure the vehicle is cool before installation to avoid burns
  • Use appropriate tools to remove the old sensor without damaging the exhaust manifold
  • Verify the connector shape and gender match the vehicle harness before installation
  • Apply anti-seize compound on the threaded portion if recommended by the vehicle manufacturer
  • Torque the sensor to the specified value to prevent leaks or damage

Quality Assurance and Warranty

Walker Products Aftermarket oxygen sensors are manufactured to meet industry standards for durability and performance. While specific warranty details for part number 350-31036 may vary, Walker typically offers coverage against defects in materials and workmanship. This ensures that the oxygen sensor will perform reliably when installed according to manufacturer guidelines.

BrandWalker
Part Number350-31036
PositionWalker Products Aftermarket, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length26.69
Sensor TypeNon Heated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity1
Wiring Harness Length23.15

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1991DodgeColt2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
1991DodgeColt2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
1991DodgeColt2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
1990DodgeColt2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
1990DodgeColt2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
1990DodgeColt2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products Aftermarket
1989DodgeColt2.0LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products Aftermarket
1989DodgeColt2.0LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products Aftermarket
1989DodgeColt2.0LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; 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.