Serpentine Pulley Conversion Kit for Yanmar Diesel Engines

This AltMount® conversion kit is specially designed for Yanmar engines, enhancing the belt system for improved performance and efficiency.

Yanmar Engines Covered: 3JH5, 3JH4-E, 4JH4-E, 4JH5, 4JH5-E

Kit Includes: Three Ten-Groove (J10) pulleys, two J10 serpentine belts with a circumference of 44.5″ (one belt is a spare), and all necessary mounting hardware.

Note: If an AT-200A alternator is specified, a longer belt may be required.

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

• Designed for Yanmar 3JH5, 3JH4-E, 4JH4-E, 4JH5, 4JH5-E engines
• Includes three durable Ten-Groove pulleys
• Two serpentine belts included, one is a spare
• All necessary mounting hardware provided
• Improves engine performance and efficiency