Sierra 118-3491 Marine Water Pump Repair Kit

The Sierra 118-3491 (also referenced as 18-3491) is a complete water pump repair kit designed for marine outboard and inboard/sterndrive engines. This kit provides all the essential components needed to restore cooling system performance and maintain proper water flow through the engine.

Sierra International is a trusted OEM-quality manufacturer of marine replacement parts, and this repair kit is engineered to meet or exceed original equipment specifications. Using a Sierra water pump repair kit during routine maintenance helps prevent overheating and extends engine life.

Key Features:

• Complete repair kit includes all necessary components for a full water pump service
• Manufactured to OEM specifications for reliable, long-lasting performance
• High-quality materials designed to withstand the demands of the marine environment
• Direct replacement for worn or damaged water pump components
• Ideal for scheduled maintenance or emergency repair

Regular water pump maintenance is critical for any marine engine. Replacing worn impellers, seals, and gaskets with a quality kit like the Sierra 118-3491 ensures consistent coolant flow and helps prevent costly engine damage due to overheating.