All Sierra Alternators Meet or Exceed USCG, SAE J1171 and ISO 8846 Safety Standards 100% Load Tested for Assured Reliability Out of the Box Marine Grade Containing Heavy-Duty Bearings and Regulators for a Longer Service Life Contain High Quality Stators and Heavy-Duty Rectifiers for Maximum Efficiency Before Ordering, Please Verify this is the Correct Part for your Application Fit type: Universal Fit