Sierra’s 18-6960 Alternator is designed for use in Mercury marine applications. It is interchangeable with Denso 101211-3020, 101211-3021, Mallory 9-19200, and Mercury Marine 821663, 821663A1. Each Sierra product meets or exceeds the original equipment part it replaces.
Designed for use in Mercury marine applications
Interchangeable with Denso 101211-3020, 101211-3021, Mallory 9-19200, and Mercury Marine 821663, 821663A1
Includes one alternator per package
Each Sierra product meets or exceeds the original equipment part it replaces
