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128990-42500 128377-42500 Water Pump Rebuild Kit for Yanmar Johnson
$145.19
Sale price
$145.19
Regular price
Available to Order
This Water Pump Major Rebuild Kit is a repair kit compatible with Yanmar and Johnson water pump models and matches OEM Part# 128990-42500, 128377-42500.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
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.