TYC 2-11869 Alternator

Alternator for Subaru WRX and Crosstrek

This TYC alternator is a direct-fit charging system replacement for select Subaru applications, including the 2015-2021 Subaru WRX and related Crosstrek and Impreza models. Built around Mitsubishi OE manufacturer specifications, TYC 2-11869 is rated at 150 amps and uses a 6-groove decoupler pulley with clockwise rotation.

Key Features

• TYC Part Number 2-11869
• 150A output for charging system performance
• Mitsubishi OE manufacturer specification
• 6-groove decoupler pulley design
• Clockwise rotation
• Direct replacement alternator for select Subaru vehicles

Detailed Description

TYC 2-11869 is an alternator built for Subaru charging system service where OE-style fit and electrical output matter. It is specified at 150 amps and uses a decoupler pulley with six grooves, matching the belt drive requirements found on covered Subaru WRX, Crosstrek, Impreza, and XV Crosstrek applications. If you are replacing a worn Subaru WRX alternator or sourcing a charging system replacement for a 2016-2017 Subaru Crosstrek, this unit provides the core electrical and pulley specifications needed for the application.

This part cross-references BBB Industries 42140 for the same application.

Vehicle Fitment

• Fits 2015-2021 Subaru WRX, N/A
• Fits 2016-2017 Subaru Crosstrek, N/A
• Fits 2015-2016 Subaru Impreza, N/A
• Fits 2015 Subaru XV Crosstrek, N/A

What It Helps Solve

• Low charging output or battery warning lights
• Dim lights caused by weak alternator performance
• Charging system failure after alternator wear
• Belt drive noise related to a failing decoupler pulley
• Voltage instability in Subaru WRX, Crosstrek, or Impreza applications

Installation Notes and Tips

Verify pulley style, amperage rating, rotation direction, and connector match before installation. Confirm the vehicle application against the listed fitment for 2015-2021 Subaru WRX, 2016-2017 Subaru Crosstrek, 2015-2016 Subaru Impreza, and 2015 Subaru XV Crosstrek. Inspect the belt condition and charging system wiring during replacement to help ensure proper operation.

Quality Assurance

TYC manufactures replacement electrical components to OE-style specifications, and this alternator is built to match the listed Mitsubishi-based application requirements for proper fit and function.