Dorman 99599ST Keyless Entry Transmitter

Dorman 99599ST Keyless Entry Remote

The Dorman 99599ST keyless entry transmitter is a premium replacement for the original Lexus key fob on select RX350, RX400h, ES330, and RX330 models. It matches the appearance and function of the factory remote and requires programming with a compatible scan tool before use.

Key Features

• Premium-grade keyless entry transmitter for select Lexus vehicles
• Black housing with integrated key design
• 3-button remote layout
• Battery included
• OE FCC ID: HYQ12BBT
• Electronic chip type: 4D68 (68 Texas CR-Toyota)
• Length: 4.625 in., width: 2.875 in., height: 2.125 in.

Detailed Description

Dorman 99599ST is built as a direct-style replacement remote for vehicles that use OE FCC ID HYQ12BBT. It is designed to mirror the original key fob’s look and operation, making it a practical choice when replacing a worn remote or adding a spare. This part cross-references Monroe Shocks & Struts (e.g., LEX KEY 040 COMBO) for the same application. For Lexus RX350, RX400h, ES330, and RX330 applications, the Dorman 99599ST supports factory-style keyless entry functions after proper programming.

Vehicle Fitment

• Fits 2007-2009 Lexus RX350, N/A
• Fits 2006-2008 Lexus RX400h, N/A
• Fits 2004-2006 Lexus ES330, N/A
• Fits 2004-2006 Lexus RX330, N/A

Common Uses

• Replacing a damaged or nonresponsive Lexus keyless entry remote
• Restoring lock and unlock remote functions
• Adding a spare transmitter for shared vehicle use
• Addressing a remote with a worn housing or failed buttons
• Matching an OE-style remote for Lexus RX350, RX400h, ES330, or RX330 models

Installation Notes

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 vehicle’s OE FCC ID and chip type before ordering to confirm the correct application for your Lexus RX350, RX400h, ES330, or RX330.

Quality Assurance

This Dorman keyless entry transmitter is built to premium specifications and is intended to match the original remote’s appearance and function on listed applications. Use the OE FCC ID HYQ12BBT and the part number 99599ST to confirm the correct replacement before programming.