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Delphi AF10345 Mass Air Flow SensorOE Quality 60-Day Returns
Part #: AF10345

Delphi AF10345 Mass Air Flow Sensor

55 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, Forester, Impreza, Legacy, Outback, WRX STI, and XV Crosstrek
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Delphi Mass Air Flow Sensor AF10345 Overview

The Delphi Mass Air Flow Sensor AF10345 is designed to provide accurate airflow measurement for optimal engine performance. Compatible with various Subaru models, this sensor ensures precise air intake data for efficient fuel management.

  • Color: Black
  • Mounting Type: Bolt-on for secure installation
  • Connector Quantity: 1 with a rectangular female connector
  • Terminal Quantity: 5 male pins for reliable electrical connection
  • Housing Included: No, probe only design
  • Wiring Harness Included: No
  • Item Grade: Premium quality for durability and performance

Detailed Product Description

The Delphi AF10345 Mass Air Flow Sensor is engineered to deliver precise airflow readings by measuring the amount of air entering the engine. This sensor features a bolt-on mounting type, making installation straightforward and secure. The black sensor probe includes a single rectangular female connector with five male pin terminals, ensuring compatibility with the vehicle’s wiring harness. While the housing and wiring harness are not included, the sensor probe is designed to integrate seamlessly with the existing system. This part is a premium-grade component, built to meet or exceed OEM standards for Subaru Crosstrek, Forester, Impreza, Legacy, Outback, WRX STI, and XV Crosstrek models.

Compatible Subaru Models and Applications

This mass air flow sensor is compatible with the following Subaru vehicles:

  • Subaru Crosstrek
  • Subaru Forester
  • Subaru Impreza
  • Subaru Legacy
  • Subaru Outback
  • Subaru WRX STI
  • Subaru XV Crosstrek

Common Issues Addressed by Delphi AF10345

  • Engine performance problems due to inaccurate air intake measurement
  • Check engine light triggered by faulty mass air flow sensor readings
  • Rough idling or stalling caused by improper air-fuel mixture
  • Reduced fuel efficiency linked to sensor malfunction
  • Difficulty accelerating or hesitation during throttle response

Installation Notes and Tips

  • Ensure the vehicle is turned off and cooled before installation
  • Use the bolt-on mounting type to securely attach the sensor probe
  • Verify the connector shape and terminal count match the vehicle’s wiring harness
  • Handle the sensor carefully to avoid damage to the probe or terminals
  • Follow the included instruction sheet for proper installation procedures

Quality Assurance and Warranty

The Delphi AF10345 Mass Air Flow Sensor is manufactured to meet premium quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Delphi products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

BrandDelphi
Part NumberAF10345
ColorBlack
Connector GenderFemale
Connector Quantity1
Connector ShapeRectangle
Housing IncludedNo
Item GradePremium
Mounting TypeBolt-On
Package ContentsMass Air Flow Sensor - Probe Only, Instruction Sheet
Terminal GenderMale
Terminal Quantity5
Terminal TypePin
Wiring Harness IncludedNo

This part fits 55 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2021SubaruWRX STI2.5LH4N/A
2020SubaruWRX STI2.5LH4N/A
2019SubaruLegacy3.6LH6N/A
2019SubaruOutback3.6LH6N/A
2019SubaruWRX STI2.5LH4N/A
2018SubaruForester2.5LH4N/A
2018SubaruLegacy3.6LH6N/A
2018SubaruOutback3.6LH6N/A
2018SubaruWRX STI2.5LH4N/A
2017SubaruCrosstrek2.0LH4N/A
2017SubaruForester2.5LH4N/A
2017SubaruLegacy3.6LH6N/A
2017SubaruOutback3.6LH6N/A
2017SubaruWRX STI2.5LH4N/A
2016SubaruCrosstrek2.0LH4GASN/A
2016SubaruForester2.5LH4N/A
2016SubaruImpreza2.0LH4N/A
2016SubaruLegacy3.6LH6N/A
2016SubaruOutback3.6LH6N/A
2016SubaruWRX STI2.5LH4N/A
2015SubaruForesterN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2015SubaruImprezaN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2015SubaruLegacyN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2015SubaruOutbackN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2015SubaruWRX STIN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2015SubaruXV CrosstrekGASN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2014SubaruForesterN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2014SubaruImprezaN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2014SubaruLegacyN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2014SubaruOutbackN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2014SubaruXV CrosstrekGASN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2013SubaruForesterN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2013SubaruImprezaN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2013SubaruLegacyN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2013SubaruOutbackN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2013SubaruXV CrosstrekN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2012SubaruForesterN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2012SubaruImprezaN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2012SubaruLegacyN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2012SubaruOutbackN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2011SubaruForesterN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2011SubaruImprezaN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2011SubaruLegacyN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2011SubaruOutbackN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2010SubaruForesterN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2010SubaruImprezaN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2010SubaruLegacyN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2010SubaruOutbackN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2009SubaruForesterN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2009SubaruImprezaN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2009SubaruLegacyN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2009SubaruOutbackN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2008SubaruImprezaN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2008SubaruLegacyN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.
2008SubaruOutbackN/ACompatible with vehicles with probe-only Mass Air Flow Sensors.

* 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:

197-613022114522680 AA38022680 AA38A74-5004074-50070MA1147MAS0317MF21145MF21145NMQ6398XTP450040XTP450070

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

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