Balmar AltMount Serpentine Pulley Kit – Vetus
This AltMount serpentine pulley kit fits Vetus M4.15, M4.17, M4.55 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 Vetus Marine Diesel Engines
Engines Covered: Vetus M4.15, M4.17, M4.55
Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 39″ Circumference Serpentine Belts (one spare) & Mounting Hardware
Note: If you specify an AT-200A Alternator, a longer belt length may be required.