Always verify compatibility before purchasing.

Specifications:
Unit Type: Alternator
Voltage: 12V
Rotation: CW
Amperage: 55A
Clock Position: 12
Pulley Type: V1
Regulator: Internal (IR)
Fan Type: External (EF)
B+ Terminal: M5 x 0.8
Notes: Fully Insulated, Light/Ignition Terminal
Application: Yanmar Marine – also used on various Yanmar Industrial engines.

Replaces OEM Numbers:
API Marine: 20025, ALT107
Arrowhead: AHI0068
Cargo: 113793
Hitachi: LR155-20, LR155-20B
J & N: 400-44025, 400-44025R (Old)
Lester: 12107
Quicksilver: 8M6007517
WAI: 12107N
Yanmar: 129772-77200

Compatible With / Replacement For:
Yanmar Marine Engines:
2GM20, 2GMFL, 2GMFY(E)-E, 2GML, 2GMYE-EC
3GM30
3HM35 (1982–1992)
3JH2 / 3JH2BE / 3JH2E (1991–1999)
3JH3 Series (1999–2003)
4JH2 Series – CE, DTE, E, HTE, TE, UTE
4JH3 Series – CE, DTE, HTE, TCE, TE (1994–2003)
4LH & 4LHA Series – DTE, DTZ, HTE, HTZE, STE, STZE
6PH, 6PHM, 6PHS Series
Yanmar Gearboxes: KBW-20/21, KM2C, KM2P, KM3A, KM3P, KM3V, KM5A
And more (see OEM references above).

About this item

• High-quality 12V 55A alternator designed for Yanmar marine engines.
• Fully new aftermarket unit – not remanufactured – built to OEM quality standards.
• Direct replacement for Hitachi LR155-20 / LR155-20B and Yanmar 129772-77200 alternators.
• Wide compatibility across Yanmar 2GM, 3GM, 3JH, 4JH, 4LH, 4LHA, and 6PH engine platforms.
• 1-Year Warranty – If any issue arises, CM Marine will replace or support the product for 12 months.
  
  CM Marine
  Auckland, New Zealand