Taiyo DST-51-DFK Automatic Voltage Regulator AVR for Marine Generator - Used

Application: Taiyo Electric DST-51-DFK Automatic Voltage Regulator (AVR) used on Taiyo-built marine generator ends, commonly found on Northern Lights, Caterpillar marine gensets, and similar Japanese-built marine generator sets. Regulates generator output voltage with adjustable voltage set point and 50/60Hz frequency selection. Condition: Used take-off, not bench-tested, sold as-is. Data plate and board label both legible; wiring pigtail intact. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase. Used marine part sold as-is unless otherwise stated. No returns on electrical, used, special-order, or installed parts.