Holstein 2MAF0009 Mass Air Flow Sensor Assembly
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 Holstein Parts

Holstein 2MAF0009 Mass Air Flow Sensor Assembly

Brand Holstein 2MAF0009
Product line Holstein Parts
Fits Toyota · 14 vehicles

Direct-fit replacement. Built for specified emission control sensor applications.

Full assembly design. Simplifies replacement of the airflow sensing unit.

Cross-references AP Exhaust 28727, 5S2890 and 7420055 for the same application. See all 9.

$322.02Free shipping
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Holstein Mass Air Flow Sensor Assembly

Holstein Parts mass air flow sensor assembly 2MAF0009 is a direct-fit emission control sensor for specific Toyota applications. It is built for vehicles that require accurate airflow measurement to support proper engine management and drivability.

Key Features

  • Mass air flow sensor assembly for emission control applications
  • Direct-fit replacement for the specified Toyota fitments
  • Full assembly configuration for a straightforward service replacement
  • Holstein Parts 2MAF0009 for application matching and ordering

Detailed Description

This Holstein Parts sensor assembly is engineered for 1989-1995 Toyota 4Runner and 1989-1995 Toyota Pickup applications listed in the fitment data. As a mass air flow sensor assembly, it measures incoming air so the engine control system can calculate fuel delivery and maintain stable operation. The part number 2MAF0009 is also cross-referenced to AP Exhaust 28727 for the same application.

Holstein Parts 2MAF0009 is a practical replacement choice when the original sensor assembly is no longer performing correctly. It is listed as a full assembly and is intended for direct application matching on the covered Toyota models.

What It Is Used For

  • Correcting inaccurate airflow readings
  • Addressing rough idle or hesitation tied to sensor output
  • Restoring fuel metering control after sensor wear or failure
  • Replacing a faulty emission control sensor assembly

Installation Notes and Tips

Verify the part number 2MAF0009 against the vehicle application before installation. Confirm the connector style, mounting arrangement, and any existing diagnostic trouble codes before replacing the sensor assembly. Fits 1989-1995 Toyota 4Runner, N/A. Fits 1989-1995 Toyota Pickup, N/A.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1995Toyota4Runner2.4LL4Full Assembly; Holstein Parts
1995ToyotaPickup2.4LL4Full Assembly; Holstein Parts
1994Toyota4Runner2.4LL4Full Assembly; Holstein Parts
1994ToyotaPickup2.4LL4Full Assembly; Holstein Parts
1993Toyota4Runner2.4LL4Full Assembly; Holstein Parts
1993ToyotaPickup2.4LL4Full Assembly; Holstein Parts
1992Toyota4Runner2.4LL4Full Assembly; Holstein Parts
1992ToyotaPickup2.4LL4Full Assembly; Holstein Parts
1991Toyota4Runner2.4LL4Full Assembly; Holstein Parts
1991ToyotaPickup2.4LL4Full Assembly; Holstein Parts
1990Toyota4Runner2.4LL4Full Assembly; Holstein Parts
1990ToyotaPickup2.4LL4Full Assembly; Holstein Parts
1989Toyota4Runner2.4LL4Full Assembly; Holstein Parts
1989ToyotaPickup2.4LL4Full Assembly; Holstein Parts
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 287275S289074200552225035050MAF0729MAF40001TMF4215MG0173MG0174