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Walker 250-22066 Oxygen Sensor - Upstream
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.
| Brand | Walker |
| Part Number | 250-22066 |
| Position | Walker Products OE, Upstream |
| Connector Gender | Male |
| Connector Shape | Radiused Polygon |
| Mounting Type | Threaded |
| Overall Length | 25.91 |
| Sensor Type | Non Heated |
| Thread Diameter | 18.0 |
| Universal Or Specific Fit | Specific |
| Wire Gauge Measurement | 20 |
| Wire Quantity | 2 |
| Wiring Harness Length | 22.36 |
This part fits 48 vehicles. Search below:
| Year | Make | Model | Drive Type | Transmission | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|---|
| 1994 | Dodge | Colt | 1.8L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | ||
| 1994 | Dodge | Colt | 1.5L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | ||
| 1994 | Dodge | Colt | 1.8L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | ||
| 1994 | Dodge | Colt | 1.5L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | ||
| 1994 | Dodge | Colt | 1.8L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | ||
| 1994 | Dodge | Colt | 1.5L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | ||
| 1993 | Dodge | Colt | 1.8L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | ||
| 1993 | Dodge | Colt | 1.5L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | ||
| 1993 | Dodge | Colt | 1.8L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | ||
| 1993 | Dodge | Colt | 1.5L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | ||
| 1993 | Dodge | Colt | 1.8L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | ||
| 1993 | Dodge | Colt | 1.5L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | ||
| 1993 | Mitsubishi | Expo | FWD | 2.4L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | |
| 1993 | Mitsubishi | Expo | AWD | 2.4L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | |
| 1993 | Mitsubishi | Expo | FWD | 2.4L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | |
| 1993 | Mitsubishi | Expo | AWD | 2.4L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | |
| 1993 | Mitsubishi | Expo | FWD | 2.4L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | |
| 1993 | Mitsubishi | Expo | AWD | 2.4L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | |
| 1993 | Mitsubishi | Expo LRV | FWD | 2.4L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | |
| 1993 | Mitsubishi | Expo LRV | AWD | 2.4L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | |
| 1993 | Mitsubishi | Expo LRV | 1.8L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | ||
| 1993 | Mitsubishi | Expo LRV | FWD | 2.4L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | |
| 1993 | Mitsubishi | Expo LRV | AWD | 2.4L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | |
| 1993 | Mitsubishi | Expo LRV | 1.8L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | ||
| 1993 | Mitsubishi | Expo LRV | FWD | 2.4L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | |
| 1993 | Mitsubishi | Expo LRV | AWD | 2.4L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | |
| 1993 | Mitsubishi | Expo LRV | 1.8L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | ||
| 1993 | Mitsubishi | Galant | 2.0L | L4 | GAS | Upstream | From 06/01/1992; B1S1; Del 06/01/1992; Upstream; Walker Products OE | ||
| 1993 | Mitsubishi | Galant | 2.0L | L4 | GAS | Upstream | 06/01/1992 and later; Upstream Oxygen Sensor for Bank 1 Sensor 1; Walker Products OE | ||
| 1993 | Mitsubishi | Galant | 2.0L | L4 | GAS | Upstream | From 06/01/1992; B1S1; Upstream; Walker Products OE | ||
| 1993 | Mitsubishi | Mirage | 1.8L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | ||
| 1993 | Mitsubishi | Mirage | 1.5L | L4 | GAS | Upstream | Non California emissions certified; Bank 1 Sensor 1; Upstream position; Not suitable for California emissionscertified vehicles; Walker Products OE | ||
| 1993 | Mitsubishi | Mirage | 1.8L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | ||
| 1993 | Mitsubishi | Mirage | 1.5L | L4 | GAS | Upstream | For vehicles without California and Federal Emissions - Upstream Bank 1 Sensor 1.; Walker Products OE | ||
| 1993 | Mitsubishi | Mirage | 1.8L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | ||
| 1993 | Mitsubishi | Mirage | 1.5L | L4 | GAS | Upstream | Upstream oxygen sensor for bank 1 sensor 1 incompatible with California-ESV vehicles.; Walker Products OE | ||
| 1992 | Dodge | Colt | 1.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 1992 | Dodge | Colt | 1.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 1992 | Mitsubishi | Expo | 2.4L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 1992 | Mitsubishi | Expo | 2.4L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 1992 | Mitsubishi | Expo LRV | 1.8L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 1992 | Mitsubishi | Expo LRV | 1.8L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 1992 | Mitsubishi | Mirage | 1.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 1992 | Mitsubishi | Mirage | 1.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | ||
| 1991 | Dodge | Colt | Automatic | 1.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | |
| 1991 | Dodge | Colt | Automatic | 1.5L | L4 | GAS | Upstream | Front oxygen sensor compatible with various vehicle models.; Walker Products OE | |
| 1991 | Mitsubishi | Mirage | 1.5L | L4 | GAS | Upstream | Bank 1 Sensor 1 needs an upstream oxygen sensor.; Walker Products OE | ||
| 1991 | Mitsubishi | Mirage | 1.5L | L4 | GAS | Upstream | Front 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.