Dorman 99666ST Keyless Entry Transmitter

Dorman 99666ST Keyless Entry Transmitter

The Dorman 99666ST keyless entry transmitter is a direct-style replacement for the original Subaru key fob on select WRX STI, Forester, Impreza, and XV Crosstrek models. It matches the appearance and function of the factory remote and requires programming with a compatible scan tool before use.

Key Features

• Black keyless entry remote with integrated key design
• 4-button layout for factory-style remote functions
• Includes battery
• Premium-grade replacement transmitter
• Electronic chip type: G-Chip (4D60 80-bit)
• OE FCC ID: CWTWBU766
• Part number: 99666ST

Product Details

This Dorman 99666ST transmitter is built to mirror the original Subaru key fob in both form and operation for specified vehicles. It is a practical replacement when the original remote is damaged, worn, or no longer communicates properly with the vehicle. This part cross-references Subaru OE numbers 57497FJ030 and 57497FJ031 for the same application. It fits 2015-2019 Subaru WRX STI, 2014-2018 Subaru Forester, 2012-2016 Subaru Impreza, and 2013-2014 Subaru XV Crosstrek, all with OE FCC ID CWTWBU766.

Common Issues This Part Can Address

• Broken or cracked key fob housing
• Worn buttons that no longer respond consistently
• Lost or missing original transmitter
• Remote that no longer pairs correctly after replacement
• Need for a spare Subaru keyless entry remote

Installation Notes and Tips

Programming is required and must be completed with a compatible scan tool. Professional setup by a qualified technician with the proper equipment is recommended. Verify the OE FCC ID, chip type, and vehicle fitment before programming to ensure the transmitter matches the original system.

Quality Assurance

Dorman supplies this transmitter as a premium replacement part designed to match the original remote’s appearance and function on the listed Subaru applications. Confirm vehicle year, model, and OE FCC ID CWTWBU766 before ordering.