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Water Pump Impeller Housing Kit for Johnson Evinrude 18-3238 0391631 0388891

Water Pump Impeller Housing Kit for Johnson Evinrude 18-3238 0391631 0388891

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$120.99
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This Water Pump Impeller Housing Kit is a replacement water pump impeller housing kit compatible with Johnson Evinrude outboard motors and matches OEM Part# 18-3238, 0391631, 0388891.
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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.

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Product Overview

This water pump impeller housing kit is designed for Johnson Evinrude outboard motors, ensuring reliable cooling system performance. It replaces worn or damaged housing units to maintain proper water flow and prevent engine overheating. Ideal for boat owners and marine mechanics servicing two-stroke and four-stroke outboards.

Key Features & Performance

  • Precision-molded housing for a secure fit and consistent water pump operation
  • Includes gasket and necessary hardware for a complete installation
  • Constructed from corrosion-resistant materials for long-lasting durability in marine environments
  • Direct replacement for OEM part numbers 18-3238, 0391631, and 0388891
  • Helps restore factory cooling efficiency and prevents costly engine damage

Fitment & Compatibility

  • Compatible with select Johnson Evinrude outboard motors (2���250 HP, various model years)
  • Fits standard water pump assemblies using OEM housing design

Common Uses

  • Replacing worn or cracked impeller housing in Johnson Evinrude outboard engines
  • Servicing cooling systems during routine water pump maintenance
  • Repairing overheating issues caused by housing failure

Technical Specifications

  • Part Number(s): 18-3238, 0391631, 0388891
  • Material: Engineered polymer with stainless steel components
  • Included Items: Housing, gasket, hardware

Frequently Asked Questions

Q: Is this water pump impeller housing kit compatible with my 1998 Johnson 150 HP outboard? A: This kit fits many Johnson Evinrude models; verify your existing housing part number against 18-3238, 0391631, or 0388891 for compatibility.

Q: Does this kit come with the impeller? A: No, this is the housing kit only; the impeller is sold separately.

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

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