For Yanmar Sea Water Pump 128377-42500 Johnson 10-24509-01 24509-02 10-13337-01

Sea Water Pump for Yanmar

This sea water pump is a direct replacement for Yanmar applications, matching Yanmar part number 128377-42500 and Johnson cross-reference numbers 10-24509-01, 24509-02, and 10-13337-01 for Johnson.

Overview

This sea water pump keeps marine diesel engines cool by moving seawater through the raw-water cooling circuit. It is built as a direct replacement for the Yanmar sea water pump and aligns with Johnson cross-reference part numbers 10-24509-01, 24509-02, and 10-13337-01 for Johnson. Marine mechanics and boat owners can use this sea water pump for routine cooling system service.

Built For Performance

• Direct replacement for Yanmar sea water pump part 128377-42500
• Cross-references Johnson numbers 10-24509-01, 24509-02, and 10-13337-01
• Designed for marine raw-water cooling systems
• Matches factory mounting points and connections for Yanmar and Johnson
• Built for continuous saltwater service

On-The-Job Use

• Replacing a worn sea water pump in Yanmar marine engines
• Maintaining raw-water flow in inboard diesel cooling systems
• Supporting continuous operation in saltwater or freshwater

Specs At A Glance

Good To Know

Q: Does this sea water pump replace a Yanmar 128377-42500? A: Yes, it is designed as a direct replacement for Yanmar part number 128377-42500 and also matches the Johnson cross-reference numbers listed.

Q: Can this sea water pump be used in saltwater? A: Yes, the pump is intended for marine raw-water cooling and is commonly used in saltwater and freshwater environments.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.