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Hose Nipple for Yamaha Outboards 1984 94 6E5453780000

Hose Nipple for Yamaha Outboards 1984 94 6E5453780000

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$28.59
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This Hose Nipple is a replacement water hose nipple compatible with Yamaha Outboards from 1984-1994 and matches OEM Part# 6E5-45378-00-00.
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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 OEM-style hose nipple is designed to replace the water inlet fitting on Yamaha outboard motors. It connects the cooling water intake hose to the engine block, ensuring proper water flow for engine cooling. Ideal for boat owners and marine mechanics servicing Yamaha outboards from the 1984-1994 era.

Key Features & Performance

  • Direct replacement for original Yamaha part number 6E5-45378-00-00
  • Precision-molded to maintain correct water flow and pressure
  • Corrosion-resistant construction suitable for marine environments
  • Simple install with standard hand tools
  • Restores cooling system integrity to prevent overheating

Fitment & Compatibility

  • Compatible with Yamaha outboard motors manufactured between 1984 and 1994

Common Uses

  • Replacing a cracked or corroded hose nipple on the engine block
  • Restoring the water intake system during a cooling system overhaul
  • Performing preventive maintenance on older Yamaha outboards

Technical Specifications

  • Part Number(s): 6E5-45378-00-00
  • Material: Metal (brass or stainless steel, as per OEM spec)

Frequently Asked Questions

Q: Is this hose nipple a direct fit for my 1990 Yamaha 90hp outboard? A: Yes, it fits all Yamaha outboards from 1984 to 1994, including the 90hp models. Verify your existing part number matches 6E5-45378-00-00.

Q: Do I need any special tools to install this hose nipple? A: No, a standard wrench and possibly thread sealant are all that is required. Ensure the engine is off and cooled before installation.

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

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