Walker 245-1164 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1164

Walker Mass Air Flow Assembly 245-1164 is a direct-fit mass air flow sensor assembly for select Toyota, Mazda, Lexus, Kia, Ford, and Mercury applications. It is built with a housing included and a 5-terminal female connector layout for service on vehicles that need a complete MAF assembly replacement.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Mass Air Flow Assembly line is aimed at accurate vehicle application coverage and dependable sensor replacement for import and domestic platforms.

Key Features

• Mass air flow sensor assembly with housing included
• 5-terminal female connector configuration
• Walker part number 245-1164
• OE-style replacement for select emission control sensor applications
• Cross-reference example: 5S2730, 5S2743

Fitment Coverage

• Fits 1996-1999 Toyota 4Runner, N/A
• Fits 1995-1998 Toyota T100, N/A
• Fits 1995-1998 Toyota Tacoma, N/A
• Fits 1993-1998 Toyota Supra, N/A
• Fits 1995-1997 Toyota Land Cruiser, N/A
• Fits 1994-1997 Toyota Previa, N/A
• Fits 1995-1996 Toyota Avalon, N/A
• Fits 1994-1996 Toyota Camry, N/A
• Fits 1994-1996 Lexus ES300, N/A
• Fits 1996-1997 Lexus LX450, N/A
• Fits 1996-1998 Mazda MPV, N/A
• Fits 1995-1998 Mazda Protege, N/A
• Fits 1994-1997 Mazda Miata, N/A
• Fits 1994-1996 Mazda MX-3, N/A
• Fits 1995-1997 Kia Sephia, N/A
• Fits 1996 Ford Escort, N/A
• Fits 1996 Mercury Tracer, N/A

What It Helps Address

• Rough idle caused by inaccurate airflow measurement
• Hesitation or stumble during acceleration
• Check engine light related to mass air flow sensor faults
• Poor fuel trim behavior from a failing MAF assembly
• Driveability issues on Toyota Camry, Toyota Tacoma, and Mazda Miata applications

Installation Notes

Verify connector style, terminal count, and housing configuration before installation. This assembly uses a female 5-terminal connector and does not include mounting hardware. Confirm the vehicle application against the listed fitment for Toyota 4Runner, Lexus ES300, Mazda Protege, and other covered models before replacement.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications, supported by in-house manufacturing, product management, and engineering resources. The company is ISO 9001 and IATF 16949 certified, with technical support and application data maintained for accuracy.