SeaSierra water pump impeller kit for Yamaha engines improves cooling performance
SeaSierra pump housing assembly for secure Yamaha gearcase fit
SeaSierra pump cup seal kit maintains proper seal and flow
SeaSierra wear plate assembly adds durable support in the pump path
SeaSierra water pump gasket set helps prevent leaks in cooling system
SeaSierra woodruff key included for precise installation alignment
SeaSierra O-ring, dowel, bolt, and washer set completes the rebuild kit
SeaSierra water pump impeller kit for Yamaha engines improves cooling performance
SeaSierra pump housing assembly for secure Yamaha gearcase fit
SeaSierra pump cup seal kit maintains proper seal and flow
SeaSierra wear plate assembly adds durable support in the pump path
SeaSierra water pump gasket set helps prevent leaks in cooling system
SeaSierra woodruff key included for precise installation alignment
SeaSierra O-ring, dowel, bolt, and washer set completes the rebuild kit

SeaSierra Water Pump Repair Kit for Yamaha Outboards 61A-W0078-A4-00

OverviewThe SeaSierra Water Pump Repair Kit is designed for Yamaha outboard cooling system gearcases, offering a complete...
Vendor: SeaSierra
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SeaSierra water pump impeller kit for Yamaha engines improves cooling performance

SeaSierra Water Pump Repair Kit for Yamaha Outboards 61A-W0078-A4-00

£69.53
SeaSierra water pump impeller kit for Yamaha engines improves cooling performance
SeaSierra pump housing assembly for secure Yamaha gearcase fit
SeaSierra pump cup seal kit maintains proper seal and flow
SeaSierra wear plate assembly adds durable support in the pump path
SeaSierra water pump gasket set helps prevent leaks in cooling system
SeaSierra woodruff key included for precise installation alignment
SeaSierra O-ring, dowel, bolt, and washer set completes the rebuild kit

SeaSierra Water Pump Repair Kit for Yamaha Outboards 61A-W0078-A4-00

£69.53
Description
Description
x

Overview

The SeaSierra Water Pump Repair Kit is designed for Yamaha outboard cooling system gearcases, offering a complete replacement set that brings together the key parts you rely on during routine maintenance. This kit aims to streamline service, helping you refresh critical components in one practical package without hunting for individual parts. Expect a practical, engine-friendly approach to gearcase care that mirrors OEM configurations while keeping installation straightforward.

Included components

  • Water Pump Impeller 6E5-44352-01
  • Pump Housing 6E5-44311-00
  • Pump Cup 61A-44322-00
  • Wear Plate 6G5-44323-00
  • Water Pump Gasket 6E5-44315-A0-00
  • Woodruff Key 90280-04M05
  • O-Ring 93210-37M67
  • O-Ring 93210-86M38
  • Dowel Pin 93606-12019
  • Bolt with Washer 91290-08045

Compatibility and OEM references

This kit fits a wide range of Yamaha two-stroke and four-stroke outboards, including numerous 150–300 HP models. It is designed to align with OEM part numbers such as 61A-W0078-A4-00, 61A-W0078-A3-00, 61A-W0078-A2-00, 65L-W0078-A1-00, 65L-W0078-A0-00, and 64L-W0078-00-00, as well as Mallory 9-48618 and Sierra 18-3396.

Installation notes

Designed for straightforward gearcase service, the kit supports a clean swap of the core components. For best results, verify engine model compatibility, inspect the wear plate and gaskets for wear, and ensure proper seating of O-rings and the woodruff key during reassembly.

Why SeaSierra

  • Broad Yamaha compatibility across 2-stroke and 4-stroke families
  • OEM-part-aligned replacement set that covers the essential parts
  • Comprehensive kit reduces parts hunting during maintenance
  • Durable components designed to support reliable gearcase operation

Using SeaSierra’s repair kit can help you refresh cooling-system components and restore smooth water flow through the gearcase. While the kit supports a solid maintenance option, actual outcomes depend on your specific engine condition and proper installation.

FAQ

Q: What Yamaha models does this kit fit?

A: Compatible with Yamaha two-stroke and four-stroke outboards listed, including 150–300 HP models such as L150, Z150, L200, Z300, F150, F225, and F250.

Q: What items are included in the kit?

A: Impeller, pump housing, cup, wear plate, gaskets, O-rings, dowel pin, bolts, and washers for a complete gearcase rebuild.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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