These serpentine pulley kits allow 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.
Please select your pulley kit below by checking the box to the right of your Perkins marine engine model, then click the "Add to Cart" button at the bottom of the list.
AltMount®Serpentine Pulley Conversion Kit for Perkins/Sabre Engines
Perkins/Sabre Engines Covered: 4107, 4108
Kit Includes: Three Six-Groove (K6) Pulleys, Two K6, 40″ Circumference Serpentine Belts (one spare) & Mounting Hardware
Note: If you specify an AT-200A Alternator, a longer belt length may