Walker 245-1004 Mass Air Flow Sensor

Walker Mass Air Flow Assembly 245-1004

Walker Mass Air Flow Assembly 245-1004 is a direct-fit mass air flow sensor assembly for select GM applications from 1984-1989. It is built with a housing included and a 3-terminal female connector, making it a practical replacement for vehicles that need accurate airflow signal input for engine management.

Compatible With Chevrolet Cavalier, Pontiac Firebird, Buick Regal, and other listed applications, this assembly supports proper air measurement for drivability-focused repairs. Walker Products has supplied fuel system and engine sensor components since 1946 and manufactures to meet or exceed OEM standards and specifications.

Key Features

• Mass air flow sensor assembly for emission control and engine management service
• Housing included for a complete assembly-style replacement
• 3-terminal female connector
• Direct-fit application coverage for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models
• Walker Mass Air Flow Assembly line focused on OE-style replacement parts
• Part number 245-1004 for accurate ordering and lookup

Product Details

Walker Mass Air Flow Assembly 245-1004 is engineered for vehicles that rely on precise airflow measurement to help the engine control system calculate fuel delivery. This part is listed for 1984-1989 Chevrolet Cavalier, 1989 Pontiac Firebird, 1987-1988 Cadillac Cimarron, 1987-1988 Chevrolet Corsica, 1985-1987 Buick Regal, and additional Buick, Oldsmobile, and Pontiac applications shown in the fitment data. The Walker Mass Air Flow Assembly product line is positioned as an OE-style replacement solution backed by Walker’s manufacturing, engineering, and technical support resources.

This part cross-references Standard Ignition 27851 for the same application.

What It Helps Fix

• Rough idle caused by inaccurate airflow signal input
• Poor throttle response during acceleration
• Fuel mixture issues related to faulty air metering
• Check engine concerns tied to mass air flow sensor performance
• Driveability problems on select Chevrolet Cavalier and Buick Regal applications

Installation Notes

Verify the OE number and connector style before purchase, especially on 1984-1985 Buick Riviera applications that require OE number 10456018 confirmation. This assembly uses a female connector with three terminals and includes the housing. Mounting hardware is not included. Confirm the vehicle’s year, make, model, and emissions configuration against the fitment list before installation.

Quality Assurance

Walker Products states that its engine sensor and fuel system components are manufactured to meet or exceed OEM standards and specifications. The company is ISO 9001/IATF16949 certified and supports production with in-house manufacturing, product management, engineering, and technical documentation resources.