16701-ZX2-003 Pump Case - Overview. The 16701-ZX2-003 Pump Case is a vital component in Honda marine engine systems. This part serves as the durable housing or enclosure for the water pump, a critical element that supports the marine propulsion system's water flow and cooling. Designed to OEM standards, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. The 16701-ZX2-003 Pump Case is an authentic OEM component, crafted to meet precise factory specifications.. It houses and protects the water pump, supporting efficient water circulation essential for engine cooling.. Designed with exact dimensions and tolerances to deliver reliable fit and sustained marine system performance.. Integrates cleanly with related seals, mounts, and hardware to maintain the system's integrity.. Helps preserve the mechanical motion and sealing crucial for preventing leaks and maintaining pressure.. Durable construction ensures long-lasting operat