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Walker 245-1238 Mass Air Flow Sensor
Overview of Walker Mass Air Flow Sensor 245-1238
The Walker Mass Air Flow Assembly 245-1238 is designed specifically for Chevrolet Astra models, providing accurate air flow measurement essential for optimal engine performance. This sensor includes a housing and features a female connector with four terminals, ensuring reliable electrical connections.
- Includes housing for secure installation
- Female connector with 4 terminals for compatibility
- Mounting hardware not included
- Compatible with Chevrolet Astra vehicles
- Part number 245-1238 for precise identification
Walker Mass Air Flow Assembly Product Line Details
The Walker Mass Air Flow Assembly product line focuses on emission control sensors that deliver precise air flow readings to the engine control unit. This line is engineered to meet OEM specifications, ensuring that parts like the 245-1238 sensor maintain proper engine air-fuel mixture and emission standards for Chevrolet Astra vehicles.
Detailed Product Description
The Walker 245-1238 mass air flow sensor is a critical component in the emission control system of Chevrolet Astra models. It measures the volume and density of air entering the engine, allowing the engine control unit to adjust fuel injection accordingly. This sensor comes with a housing included, which protects the sensor element and facilitates installation. The female connector with four terminals ensures a secure and stable electrical connection, although mounting hardware is not included and must be sourced separately.
Common Applications and Issues Addressed
- Helps resolve engine performance issues related to incorrect air-fuel mixture
- Addresses rough idling and stalling problems
- Reduces emission control system errors and check engine light triggers
- Improves fuel efficiency by providing accurate air flow data
- Prevents engine hesitation during acceleration
Installation Notes and Tips
When installing the Walker 245-1238 mass air flow sensor on a Chevrolet Astra, ensure the housing is properly seated to avoid air leaks. Since mounting hardware is not included, use OEM or compatible fasteners to secure the sensor assembly. Verify the female connector terminals are clean and free of corrosion before connecting to the vehicle wiring harness. Proper installation will help maintain sensor accuracy and engine performance.
Quality Assurance and Warranty
Walker mass air flow sensors are manufactured to meet strict quality standards for emission control components. The 245-1238 sensor undergoes rigorous testing to ensure durability and reliable performance in Chevrolet Astra vehicles. Warranty coverage details should be confirmed with the product documentation or supplier.
| Brand | Walker |
| Part Number | 245-1238 |
| Position | Walker Mass Air Flow Assembly |
| Connector Gender | Female |
| Housing Included | Yes |
| Mounting Hardware Included | No |
| Terminal Quantity | 4 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Chevrolet | Astra | 1.8L | L4 | N/A | Walker Mass Air Flow Assembly |
| 2002 | Chevrolet | Astra | 1.8L | L4 | N/A | Walker Mass Air Flow Assembly |
| 2001 | Chevrolet | Astra | 1.8L | L4 | N/A | Walker Mass Air Flow Assembly |
| 2000 | Chevrolet | Astra | 1.8L | L4 | N/A | Walker Mass Air Flow Assembly |
* 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.