SIERRA 18-3087 Cooling Water Pump Impeller

Compatible Engines

The SIERRA 18-3087 cooling water pump impeller is a critical component designed to ensure reliable operation of your propulsion unit. This part is specifically dedicated to MERCRUISER Bravo I/II engines, providing effective heat dissipation from the engine block. Due to the specific applications in industry and navigation, compatibility with other units should always be verified by comparing the manufacturer's catalog number 18-3087 with the original equipment (OE) number in the technical documentation. If you have doubts about whether this part fits your engine, contact our support department – we are happy to help you select the appropriate impeller.

Installation and Maintenance

Replacing the impeller is an activity that should be performed regularly, preferably during annual engine inspections. Contaminants or material wear can lead to reduced pump performance and engine overheating. Before installation, ensure that the pump chamber is clean and the seals are not damaged. The new SIERRA impeller is characterized by high manufacturing quality, which translates into a long lifespan and stable operation of the cooling system.

• Ensures optimal coolant flow in MERCRUISER Bravo engines.
• High resistance to corrosion and the action of salt or fresh water.
• Precise dimensions ensuring perfect fit without the need for modification.
• SIERRA brand product – a renowned supplier of spare parts.
• Easy replacement, minimizing boat downtime.

Ensure safety on the water by using proven spare parts. The catalog number 18-3087 is a guarantee of quality and precision.