Yanmar-Compatible Serpentine Pulley Kit

This AltMount® Serpentine Pulley Conversion Kit is designed specifically for Yanmar Diesel Engines, providing a reliable upgrade for your marine vessel.

Engines Covered: Yanmar 2GM20-F, 3GM30-F, 3GM-F

Kit Includes: Three Ten-Groove (J10) Pulleys, Two J10, 40″ Circumference Serpentine Belts (one spare), and Mounting Hardware.

Note: If you are using an AT-200A Alternator, a longer belt length may be required.

Return Policy: This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

• Designed for Yanmar 2GM20-F, 3GM30-F, 3GM-F engines
• Includes three high-quality J10 pulleys
• Comes with two serpentine belts (one spare)
• Complete mounting hardware included
• Easy installation and reliable performance