This 12V 60A marine alternator is supplied by Recmar as a replacement for Volvo Penta and Nanni applications that specify OEM reference 873770 (Volvo Penta) and 48200932 (Nanni). It is intended to restore correct battery charging performance when the correct alternator reference and mounting configuration are matched.

Before ordering: confirm the part number on your existing alternator/engine parts list and verify pulley/belt alignment. Fitment can vary by engine version and alternator style.

• Part type: Alternator
• Output: 12V / 60A
• Rotation: Clockwise (CW) (as commonly specified for 873770 replacements)
• Regulator: Internal
• Tach/W terminal: Yes (tachometer terminal present on common 873770-style units)
• Pulley (Recmar ref): RM841812 (confirm against your existing pulley/belt)
• Supplier brand: Recmar (aftermarket replacement)

Cross-reference / OEM numbers:

• Volvo Penta: 873770 (also replaces/associated with 872018, 872019, 872235, 872926, 873633, 3803227, 3803260, 3803444, 841765, 856516, 858838)
• Nanni: 48200932
• Other references (commonly listed): Champion MA23

Engine fitment (as listed by Recmar for Nanni NK series): NK2.4ECO, NK2.50HE, NK3.75HE, NK3.100HE, NK4.150HE, NK4.200HE, NK4.220HE, NK5.250TDI, NK5.2800HE.

Fitment varies by engine and installation. Always confirm the reference numbers and the alternator currently fitted before ordering.