Dorman 99604ST Keyless Entry Transmitter

Dorman 99604ST Keyless Entry Transmitter

The Dorman 99604ST keyless entry transmitter is a direct-style replacement for the original key fob on select Lexus vehicles. It matches the look and function of the factory remote and requires programming with a compatible scan tool before use.

• Black keyless entry transmitter with integrated key
• 3-button remote design
• Includes battery
• Premium grade construction
• OE FCC ID references: HYQ12BBB, HYQ12BBK, NI412BBB, NI412BBK
• Electronic chip type: 4D68 (68 Texas CR-Toyota)

Fitment and Vehicle Coverage

Compatible with 2002-2009 Lexus SC430 and 2001-2006 Lexus LS430. This Dorman 99604ST is a fitment-based replacement for Lexus SC430 and Lexus LS430 keyless entry remote applications that use the listed OE FCC IDs.

• Fits 2002-2009 Lexus SC430, N/A; OE FCC ID: HYQ12BBK, HYQ12BBB, NI412BBB, NI412BBK
• Fits 2001-2006 Lexus LS430, N/A; OE FCC ID: HYQ12BBK, HYQ12BBB, NI412BBB, NI412BBK

Detailed Description

Built to mirror the original remote’s appearance and operation, this transmitter is a practical replacement when the factory fob is worn, damaged, or no longer functioning. The integrated key layout, 3-button configuration, and black housing follow the OE-style format used on select Lexus SC430 and Lexus LS430 models. Part number 99604ST is also useful as a spare transmitter when an additional programmed remote is needed for the vehicle.

This part cross-references Toyota/Lexus OE numbers such as 8907050C10 and 8907050C11 for the same application.

What It Helps Solve

• Lost or misplaced Lexus keyless entry remote
• Broken or worn remote housing
• Buttons that no longer respond reliably
• Need for a replacement or spare transmitter
• Factory remote replacement after battery or chip-related failure

Installation Notes and Tips

Programming is required, and pairing 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 and vehicle application before ordering to confirm the correct Lexus SC430 or LS430 match.

Quality Assurance

Dorman manufactures this transmitter as a premium replacement part designed to match original equipment appearance and function for the listed vehicles. Part number 99604ST is built for OE-style fitment and electronic pairing requirements on supported Lexus applications.