This Recmar alternator is a marine-grade replacement designed for Yanmar diesel engines, rated at 12V / 80A with an internal regulator and a single-groove V-belt (simple) pulley. It is intended as a direct-fit replacement when the alternator fitted matches the OEM references listed below.

Before ordering: confirm your engine model/serial number and the part number on the alternator currently installed. Yanmar charging systems can vary by engine version.

• Part: Alternator
• Output: 12V, 80A
• Regulator: Internal
• Pulley: Simple (single V-belt)
• Cross-reference (OEM): Yanmar 119573-77201 (also listed as 119573-77200, 129470-77200)
• Common equivalent refs (verify on your unit): Hitachi LR180-03 / LR180-03A / LR180-03B / LR180-03C; Prestolite 20150112
• Compatible engines (as listed): 2GM20 (incl. F / YEU variants), 3YM20, 3JH4E, 3JH5AE/E, 4JH2 (DTE/E/HTE/TE/UTE), 4JH3 (DTE/HTE/TE), 4JH4E/AE, 4JH5E, 4LH/4LHA (DTE/DTZ/HTE/STE and variants), and 6LY/6LYA/6LYM series variants
• Brand: Recmar
• SKU: REC119573-77201

Fitment varies by engine version—always match by OEM number and the alternator currently fitted to avoid ordering the wrong unit.