48-YSP-3JH-A - Balmar Serpentine Pulley Conversion Kit for Yanmar Engines

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.

The Balmar Serpentine Pulley Conversion Kit, part number 48-YSP-3JH-A, is designed to upgrade the belt system on specific Yanmar diesel engines. This kit is intended for IT and operations managers overseeing marine or industrial equipment powered by Yanmar 3JH5, 3JH4-E, 4JH4-E, 4JH5, or 4JH5-E engines. It addresses the need for a more robust and efficient belt drive, which can contribute to improved engine performance and operational efficiency. The conversion kit includes three Ten-Groove (J10) pulleys, two J10 serpentine belts (one serving as a spare), and all required mounting hardware for installation. This solution provides a direct upgrade path for existing Yanmar engine setups, aiming to enhance reliability and reduce maintenance associated with standard belt systems.