128990-42500 128377-42500 Water Pump Rebuild Kit for Yanmar Johnson

Product Overview

This water pump major rebuild kit is designed to rebuild marine water pumps used in Yanmar and Johnson brand applications. It contains all necessary components for a complete major overhaul of the water pump, restoring performance and reliability. This rebuild kit is a cost-effective solution for boat owners and marine technicians.

Key Features & Performance

• Includes gaskets, seals, and other wear components for a complete rebuild
• Manufactured to OEM specifications for proper fit and function
• Replaces part numbers 128990-42500 and 128377-42500
• Restores water pump efficiency and prevents leakage
• Easy to install with basic hand tools

Common Uses

• Rebuilding water pumps on Yanmar and Johnson marine engines
• Maintenance of raw water cooling systems in boats and yachts
• Overhauling worn or leaking water pumps to extend engine life

Technical Specifications

• Part Number(s): 128990-42500, 128377-42500
• Kit Type: Major Rebuild Kit
• Application: Marine Water Pumps for Yanmar/Johnson

Frequently Asked Questions

Q: What is included in this rebuild kit? A: The kit contains all necessary gaskets, seals, and other components for a major water pump rebuild.

Q: Is this kit compatible with all Yanmar and Johnson water pumps? A: This kit is designed for specific models; please verify your pump's part number matches the listed OEM numbers.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.