Balmar AltMount Serpentine Pulley Kit – Nanni
This AltMount serpentine pulley kit fits Nanni N4.85, N4.100 marine diesel engines. It allows you to install a high output marine alternator in the alternator original position. These kits are the ideal upgrade for serious cruisers and others looking to maximize their charging capacity delivered by their main engine.
AltMount®Serpentine Pulley Conversion Kit for Nanni Marine Diesel Engines
Nanni Engines Covered: N4.85, N4.100
Kit Includes: Three Six-Groove (K6) Pulleys, Two K6, 44.5″ Circumference Serpentine Belts (one spare) & Mounting Hardware
Note: If you specify an AT-200A Alternator, a longer belt length may be required.