The Sierra 18-5966 Alternator is interchangeable with the following: Mallory 9-19101, Mercury 98555A1, 92497, 12449, 12449A1, 92497A3, 817119A1, 817119A4. Each Sierra product meets or exceeds the original equipment part it replaces.
Sierra Alternator
Pulley Type: Single Groove, Amp Rating: 55
Precision construction
Interchangeable with the following: Mallory 9-19101, Mercury 98555A1, 92497, 12449, 12449A1, 92497A3, 817119A1, 817119A4
