Dorman 99751ST Keyless Entry Transmitter

Dorman 99751ST Keyless Entry Remote

The Dorman 99751ST keyless entry transmitter restores remote locking and unlocking functions for select vehicles. It is built to match the operation of the original key fob and uses quality materials for dependable everyday use.

• Direct replacement keyless entry remote for select applications
• 5-button layout with remote start and emergency function
• Black housing with coin-cell battery type
• Battery included
• Electronic chip type: Philips ID 46
• OE FCC ID: HYQ4EA
• Standard replacement grade

Vehicle Fitment

Compatible with 2017-2019 Buick LaCrosse, N/A. This Dorman 99751ST remote is a fitment-based replacement for Buick LaCrosse models using OE FCC ID HYQ4EA.

This part cross-references GM 918 SMARTKEY and 13508414 for the same application.

Product Details

Designed as an OE-style key fob replacement, this transmitter supports keyless entry and remote start functions on the specified Buick LaCrosse model years. The compact black remote measures 85 mm long, 45 mm wide, and 20 mm high, and it uses a coin battery format with batteries included. The Dorman 99751ST is identified by Philips ID 46 electronics and OE FCC ID HYQ4EA, making it a practical choice when replacing a worn or nonresponsive factory remote.

Common Problems It Can Help Solve

• Nonworking lock and unlock buttons on the original key fob
• Lost or damaged remote transmitter
• Remote start function no longer responding
• Intermittent operation caused by worn internal electronics
• Need for a replacement remote matched to OE FCC ID HYQ4EA

Installation Notes

Programming is required for this keyless entry transmitter. Verify vehicle fitment by year, make, model, and OE FCC ID before programming. Because this remote uses Philips ID 46 electronics, the replacement should be matched carefully to the vehicle’s original system specifications.

Quality Assurance

Dorman manufactures this remote as a standard replacement part built from quality materials for reliable performance. It is engineered to match the function of the original key fob on the listed vehicles.