HomeEmission Control > SensorsStandard Ignition MAS0373 Mass Air Flow Sensor
Part #: MAS0373

Standard Ignition MAS0373 Mass Air Flow Sensor

8 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Volvo, S40 and V40
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Mass Air Flow Sensor for Volvo S40 and V40

Standard Ignition MAS0373 is a mass air flow sensor for select 2001-2004 Volvo S40 and 2001-2004 Volvo V40 applications. It uses a female rectangular connector with three male blade terminals for direct electrical interface in the specified vehicles.

Key Features

  • Mass air flow sensor for emission control system service
  • Female connector with one rectangular plug interface
  • Three male blade terminals for the vehicle harness connection
  • Direct fit for 2001-2004 Volvo S40 and 2001-2004 Volvo V40
  • Standard Ignition part number MAS0373

Product Details

This Standard Ignition MAS0373 mass air flow sensor measures incoming air for the engine management system on compatible Volvo S40 and Volvo V40 models. Accurate airflow input supports proper fuel delivery and drivability in 2001-2004 Volvo S40 and 2001-2004 Volvo V40 vehicles. This part cross-references Delphi AF10196 for the same application.

Common Issues This Part May Address

  • Rough idle caused by inaccurate airflow readings
  • Hesitation or stumble during acceleration
  • Poor fuel trim behavior from a failing sensor signal
  • Check engine light related to mass air flow sensor performance
  • Driveability concerns on Volvo S40 and V40 models

Installation Notes and Tips

Verify connector shape, terminal count, and harness condition before installation. Confirm the sensor matches the original electrical connection on your Volvo S40 or Volvo V40, and inspect the intake tract for leaks or contamination that can affect airflow readings. Clear diagnostic trouble codes after installation and perform any required relearn or adaptation procedures specified by the vehicle service information.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for engine management and emission control components. MAS0373 is built to match the listed fitment and connector configuration for the specified Volvo applications.

BrandStandard Ignition
Part NumberMAS0373
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangular
Terminal GenderMale
Terminal Quantity3
Terminal TypeBlade

This part fits 8 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004VolvoS401.9LL4N/A
2004VolvoV40N/A
2003VolvoS401.9LL4N/A
2003VolvoV40N/A
2002VolvoS401.9LL4N/A
2002VolvoV40N/A
2001VolvoS401.9LL4N/A
2001VolvoV40N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

158-15602-14878221152245-1223306115325S291874-10105917-894AF10196MA1375MA250MAS0373MG0102SK2451223V95-72-0014

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.