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Walker 245-1344 Mass Air Flow Sensor
| Brand | Walker 245-1344 |
|---|---|
| Connector Gender | Female |
| Housing Included | Yes |
| Mounting Hardware Included | No |
| Terminal Quantity | 5 |
| Product line | Walker Mass Air Flow Assembly |
| Fits | INFINITI · 1 vehicle |
OE-standard quality. Built to meet or exceed OEM standards and specifications.
Mass air flow sensor. Measures incoming air for precise engine management.
Female connector. Uses a 5-terminal connection for secure electrical hookup.
Cross-references Hitachi Automotive MAF0100, TYC 7410131 and 22680AR000 for the same application. See all 6.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Walker Mass Air Flow Assembly for Infiniti Q45
Walker Mass Air Flow Assembly Part Number 245-1344 is a direct-fit mass air flow sensor assembly for the 2002 Infiniti Q45. It is built with a housing included and a 5-terminal female connector, making it a focused replacement for air metering issues on this application.
Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support aimed at meeting OEM standards and specifications. The Walker Mass Air Flow Assembly line is part of that broader engine sensor offering, and 245-1344 reflects that OE-style approach for the Infiniti Q45.
Key Features
- Mass air flow sensor assembly for the 2002 Infiniti Q45
- Walker Part Number 245-1344
- Housing included for a complete assembly-style replacement
- 5-terminal female connector
- Built by Walker Products, an ISO 9001/IATF16949 certified manufacturer
- Cross-reference part numbers include Hitachi Automotive MAF0100 and TYC 7410131
Product Details
This Walker mass air flow sensor assembly measures incoming air so the engine control system can calculate fuel delivery accurately. For a 2002 Infiniti Q45, a worn or inaccurate MAF sensor can affect drivability, fuel trim, and idle quality. Part number 245-1344 is intended for the listed vehicle application and uses the specified 5-terminal female connector layout.
Walker Products supports its engine management catalog with in-house manufacturing, product management, and engineering resources. That helps maintain application accuracy, technical documentation, and part consistency across the Walker Mass Air Flow Assembly line.
What It Helps Fix
- Rough or unstable idle
- Hesitation during acceleration
- Poor fuel economy caused by incorrect air measurement
- Check engine light related to air metering or sensor performance
- Driveability problems on the 2002 Infiniti Q45
Installation Notes
Verify connector style, terminal count, and housing configuration before installation. This part includes the housing, and mounting hardware is not included. Inspect the intake tract, air filter, and electrical connector for contamination or damage before replacing the sensor. Clear diagnostic trouble codes and confirm proper idle and throttle response after installation.
Quality Assurance
Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company’s ISO 9001/IATF16949 certification supports controlled production and application accuracy for parts such as 245-1344.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2002 | INFINITI | Q45 | 4.5L | V8 | N/A | Walker Mass Air Flow Assembly |
| No rows match your filter. | ||||||