Works as a replacement for the following Avital remotes- 473L
- 474L
- 476L
- 477L
- 7143L
- 820041
Works with the following Avital remote start and security systems:- 5305L
- 5303L
- 5108L
- 5105L
- 4308L
- 4109L
- 4108L
- 4105L
- 4103L
- 3305L
- 3300L
- 3100LX
- 3100L
- 2101L
- DS3
- DS3+
- DS4
- DS4+
- D9147L
**Does NOT work for 2103L, 3103L, 3103LX, 3308L and the 5308L**