96220-25138 Roller (2.5x13.8) - Overview. The 96220-25138 Roller (2.5x13.8) is an essential component designed to support Honda marine engine systems. This roller serves a fundamental role in ensuring smooth mechanical motion and proper operation within the water pump or related systems, enhancing engine reliability and durability. Its precise dimensions of 2.5 mm by 13.8 mm conform strictly to OEM specifications, ensuring seamless integration with existing parts and maintaining optimal system p