Description

M-128 Marine Flexible Impeller 

The M-128 Marine Flexible Impeller is a premium-quality replacement component designed to deliver outstanding cooling performance and long-lasting reliability for marine engines. Specifically built for 2000 & newer MCM V-6 and V-8 engines (305, 350 & 496 CID) equipped with a brass sea water pump, this impeller is the ideal choice for maintaining optimal engine temperature and ensuring smooth, uninterrupted operation on the water.

Engine cooling is one of the most critical aspects of marine performance, and the M-128 impeller is engineered to provide maximum efficiency under demanding conditions. With a precise external impeller diameter of 66.50mm and an internal hub diameter of 11.40mm, it is manufactured to exact tolerances, ensuring a perfect fit and reliable operation inside the pump housing. Its 8-blade flexible design delivers superior suction and consistent water flow, preventing overheating and protecting critical engine components even during extended usage.

Constructed from high-grade marine rubber, the M-128 impeller is resistant to wear, heat, and exposure to seawater. The reinforced hub provides additional durability, ensuring dependable service life even in harsh marine environments. The flexible blades are designed to handle occasional dry starts without immediate failure, offering peace of mind during real-world boating conditions where perfect water supply may not always be guaranteed.

The M-128 impeller is specifically recommended for V6 and V8 marine engines, delivering dependable performance for both recreational and professional applications. Whether you’re operating a family cruiser, a sport fishing boat, or a high-performance yacht, this impeller ensures that your cooling system functions flawlessly, keeping your engine safe and efficient at all times.

Installation and replacement of the M-128 are straightforward, thanks to its OEM-quality design that matches original manufacturer specifications. Boat owners and marine technicians alike benefit from its quick, hassle-free installation, reducing downtime and ensuring vessels return to service with minimal delay.

The  M-128 Marine Flexible Impeller is a high-performance, precision-engineered cooling solution designed for 2000 & newer MCM V-6 & V-8 engines with brass sea water pumps. With its 8-blade design, durable construction, and exact sizing, it provides the reliability and cooling efficiency necessary for demanding marine environments. By choosing the M-128, you ensure your marine engine runs at its best—trip after trip.