Walker
Walker Mass Air Flow Assembly

Walker 245-1202 Mass Air Flow Sensor

Brand Walker 245-1202
Connector Gender Female
Housing Included Yes
Mounting Hardware Included No
Terminal Quantity 3
Product line Walker Mass Air Flow Assembly
Fits Audi and Volkswagen · 12 vehicles

OE-standard quality. Built to meet or exceed OEM standards and specifications.

Mass air flow sensor. Measures incoming air for precise engine management.

Walker engineering. Backed by in-house manufacturing, product management, and technical support.

Cross-references Davico Mfg 19475, Hitachi Automotive MAF0021 and Standard Ignition MAS0239 for the same application. See all 16.

$107.30Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $107.30
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Mass Air Flow Assembly for Audi and Volkswagen

Walker Mass Air Flow Assembly Part Number 245-1202 is a direct-fit emission control sensor assembly for select Audi and Volkswagen applications. It is built with a housing included and a 3-terminal female connector layout for a straightforward replacement on covered vehicles.

Key Features

  • Mass air flow sensor assembly from Walker
  • Housing included for a complete assembly-style replacement
  • 3-terminal female connector
  • Engineered to meet or exceed OEM standards and specifications
  • Backed by Walker Products’ manufacturing, engineering, and technical support resources
  • ISO 9001/IATF16949 certified manufacturing environment

Product Line Details

The Walker Mass Air Flow Assembly line focuses on engine management and fuel system components built for accurate vehicle application coverage. Walker Products has supplied automotive fuel system needs since 1946 and supports its parts with product management, engineering, instruction sheets, and technical support for aftermarket service work.

Detailed Description

Walker 245-1202 is a mass air flow sensor assembly for select 1998-2000 Audi A6 Quattro, 1998-1999 Audi A4, 1998-1999 Audi A4 Quattro, 1998-1999 Audi A6, and 1998-2000 Volkswagen Passat applications. This part cross-references Standard Ignition MAS0239 for the same application. It is intended for vehicles that require a 3-terminal female connector and an assembly with the housing included.

What It Helps Address

  • Rough idle caused by inaccurate airflow measurement
  • Hesitation during acceleration
  • Poor fuel economy related to incorrect air metering
  • Check engine light conditions tied to mass air flow sensor faults
  • Driveability issues from a worn or contaminated sensor assembly

Installation Notes and Tips

Verify connector style, terminal count, and housing configuration before installation. Confirm vehicle year, make, and model against the listed fitment for 1998-2000 Audi A6 Quattro, 1998-1999 Audi A4, 1998-1999 Audi A4 Quattro, 1998-1999 Audi A6, and 1998-2000 Volkswagen Passat. Mounting hardware is not included.

Quality Assurance

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

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2000AudiA6 Quattro2.8LV6N/AWalker Mass Air Flow Assembly
2000VolkswagenPassat2.8LV6N/AWalker Mass Air Flow Assembly
1999AudiA42.8LV6N/AWalker Mass Air Flow Assembly
1999AudiA4 Quattro2.8LV6N/AWalker Mass Air Flow Assembly
1999AudiA62.8LV6N/AWalker Mass Air Flow Assembly
1999AudiA6 Quattro2.8LV6N/AWalker Mass Air Flow Assembly
1999VolkswagenPassat2.8LV6N/AWalker Mass Air Flow Assembly
1998AudiA42.8LV6N/AWalker Mass Air Flow Assembly
1998AudiA4 Quattro2.8LV6N/AWalker Mass Air Flow Assembly
1998AudiA62.8LV6N/AWalker Mass Air Flow Assembly
1998AudiA6 Quattro2.8LV6N/AWalker Mass Air Flow Assembly
1998VolkswagenPassat2.8LV6N/AWalker Mass Air Flow Assembly
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Davico Mfg — 19475Hitachi Automotive — MAF0021Standard Ignition — MAS02395S2600105051H7105161M3221048M64175491788721336027450029078133471CAF10176MF21048MF21048NSU5410