Maintain proper charging levels with a marine alternator from Sierra that is high quality.
All alternators from Sierra meet or exceed USCG, SAE J1171, and ISO 8846 Safety Standards and are load tested 100% for reliability out of the box.
Marine grade, all alternators contain heavy-duty bearings and regulators for service life that is longer.
High quality stators and heavy-duty rectifiers are also included in Sierra's alternators for efficiency that is maximum.
SPECIFICATIONS Voltage: 12V Amperage: 70A Fan Type: Internal Regulator Type: Internal Polarity: Negative Pulley Type: Larger Double Groove Pulley Additional Details: Spool Mount; 7-SI; 2 Mounting Foot REPLACES Marine Power 402001, 4711210, 471200, 471201 Arco 20830 Delco 19020616 ABOUT SIERRA Sierra is dedicated to protecting you and your investment.
For 50 years, one of the most trusted names in the marine industry, Sierra has proudly been offering high quality engine and drive parts.
Their products meet or exceed the original equipment part it replaces and are engineered to meet today's high horsepower engine demands while withstanding the harsh marine environment.
