New
OEM
cooling
EVAPORATOR ETR SWITCH
$98.52 In Stock (1)
Make
Mercedes-Benz
Model
SL-Class, S-Class, E-Class
Part Number
A 003 820 24 10
Description
This A/C evaporator temperature switch, also known as an ETR switch, prevents the evaporator core from freezing by monitoring refrigerant temperature and cycling the compressor. It is a critical climate control component for vintage Mercedes-Benz models to ensure consistent cabin cooling and system protection.
Compatibility
- 1973-1980 Mercedes-Benz 450SL
- 1981-1985 Mercedes-Benz 380SL
- 1986-1989 Mercedes-Benz 560SL
- 1977-1985 Mercedes-Benz 300D
- 1977-1981 Mercedes-Benz 280E
- 1973-1980 Mercedes-Benz 450SEL
- 1981-1985 Mercedes-Benz 300SD
- 1984-1991 Mercedes-Benz 190E
- 1975-1976 Mercedes-Benz 280S