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Part #: 250-22066

Walker 250-22066 Oxygen Sensor - Upstream

Walker Products OE, Upstream
⚙️ 48 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 OE, Upstream
🚗Fitment: Dodge, Eagle, Plymouth, and Mitsubishi, Colt, Summit, Expo, Expo LRV, Galant, and Mirage
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🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker 250-22066 Oxygen Sensor for Dodge and Mitsubishi

The Walker Products OE 250-22066 oxygen sensor is designed specifically for select Dodge and Mitsubishi models, including the Colt, Expo, Expo LRV, Galant, and Mirage. This non-heated oxygen sensor provides precise emission control sensor functionality with a threaded mounting type and a radiused polygon male connector.

  • Wiring harness length: 22.36 inches
  • Wire gauge measurement: 20 gauge
  • Sensor type: Non-heated oxygen sensor
  • Wire quantity: 2 wires
  • Connector shape: Radiused polygon
  • Connector gender: Male
  • Thread diameter: 18.0 mm
  • Overall length: 25.91 inches
  • Mounting type: Threaded

Walker Products OE Line Details

The Walker Products OE line focuses on delivering emission control components that meet original equipment specifications. The 250-22066 oxygen sensor is engineered to match the exact fit and function required by Dodge and Mitsubishi vehicles, ensuring reliable sensor performance and compatibility. This product line emphasizes precision manufacturing and durability for emission sensors.

Product Description and Specifications

This oxygen sensor features a non-heated design with two wires and a 20-gauge wire measurement, suitable for specific vehicle applications. The 18.0 mm threaded mounting ensures secure installation, while the radiused polygon male connector provides a precise electrical connection. With an overall length of 25.91 inches and a wiring harness length of 22.36 inches, this sensor is tailored for direct replacement in compatible Dodge and Mitsubishi models.

Common Applications and Issues Addressed

  • Helps maintain proper air-fuel mixture for efficient engine performance
  • Reduces harmful emissions by providing accurate oxygen level readings
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by ensuring correct sensor feedback
  • Prevents engine misfires caused by faulty oxygen sensor signals

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid injury. Use the correct tools to remove the old sensor and install the Walker 250-22066 oxygen sensor by threading it securely into place. Confirm the connector matches the radiused polygon male design for proper electrical connection. Avoid over-tightening the sensor to prevent damage to the thread or sensor housing.

Quality Assurance and Warranty

Walker Products OE oxygen sensors are manufactured to meet or exceed OEM standards for fit, form, and function. The 250-22066 part number undergoes rigorous quality control to ensure durability and reliable performance in emission control systems. Warranty details are provided by Walker and typically cover defects in materials and workmanship under normal use.

BrandWalker
Part Number250-22066
PositionWalker Products OE, Upstream
Connector GenderMale
Connector ShapeRadiused Polygon
Mounting TypeThreaded
Overall Length25.91
Sensor TypeNon Heated
Thread Diameter18.0
Universal Or Specific FitSpecific
Wire Gauge Measurement20
Wire Quantity2
Wiring Harness Length22.36

This part fits 48 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersFuel TypePositionNotes
1994DodgeColt1.8LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1994DodgeColt1.5LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1994DodgeColt1.8LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1994DodgeColt1.5LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1994DodgeColt1.8LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1994DodgeColt1.5LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993DodgeColt1.8LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993DodgeColt1.5LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993DodgeColt1.8LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993DodgeColt1.5LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993DodgeColt1.8LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993DodgeColt1.5LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993MitsubishiExpoFWD2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993MitsubishiExpoAWD2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993MitsubishiExpoFWD2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993MitsubishiExpoAWD2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993MitsubishiExpoFWD2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993MitsubishiExpoAWD2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993MitsubishiExpo LRVFWD2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993MitsubishiExpo LRVAWD2.4LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993MitsubishiExpo LRV1.8LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993MitsubishiExpo LRVFWD2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993MitsubishiExpo LRVAWD2.4LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993MitsubishiExpo LRV1.8LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993MitsubishiExpo LRVFWD2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993MitsubishiExpo LRVAWD2.4LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993MitsubishiExpo LRV1.8LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993MitsubishiGalant2.0LL4GASUpstreamFrom 06/01/1992; B1S1; Del 06/01/1992; Upstream; Walker Products OE
1993MitsubishiGalant2.0LL4GASUpstream06/01/1992 and later; Upstream Oxygen Sensor for Bank 1 Sensor 1; Walker Products OE
1993MitsubishiGalant2.0LL4GASUpstreamFrom 06/01/1992; B1S1; Upstream; Walker Products OE
1993MitsubishiMirage1.8LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993MitsubishiMirage1.5LL4GASUpstreamNon California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE
1993MitsubishiMirage1.8LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993MitsubishiMirage1.5LL4GASUpstreamFor vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE
1993MitsubishiMirage1.8LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1993MitsubishiMirage1.5LL4GASUpstreamUpstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE
1992DodgeColt1.5LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1992DodgeColt1.5LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1992MitsubishiExpo2.4LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1992MitsubishiExpo2.4LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1992MitsubishiExpo LRV1.8LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1992MitsubishiExpo LRV1.8LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1992MitsubishiMirage1.5LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1992MitsubishiMirage1.5LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1991DodgeColtAutomatic1.5LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1991DodgeColtAutomatic1.5LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE
1991MitsubishiMirage1.5LL4GASUpstreamBank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE
1991MitsubishiMirage1.5LL4GASUpstreamFront oxygen sensor compatible with various vehicle models.; Walker Products OE

* 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.