QuickMarine 77177A3 Water Pump Impeller Repair Kit for Mercury Marine 30 JET to 70 HP Outboards | Sierra 18-3322 Compatible
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Description
xOverview
The QuickMarine 77177A3 Water Pump Impeller Repair Kit is built for Mercury Marine outboards in the 30 JET to 70 HP range. As an aftermarket maintenance option, it provides a complete set of components to refresh the lower unit water pump and related seals. When paired with the corresponding water pump housing seal kit, it helps teams keep cooling paths clear and boats moving with confidence. The kit also serves as a compatible replacement for several OEM and aftermarket parts, including Sierra, GLM, and Mallory references, broadening its applicability for engine servicing.
What’s inside
Each kit is designed to support a full service, with a thorough assortment of parts to refresh critical pump elements:
- Impeller
- Wear Plate
- Key
- Housing
- Base
- Base Gasket
- Lower Water Pump Gasket
- Upper Water Pump Gasket
- Drain Screw Gasket
- Rubber Washer
- O-Ring
Compatibility and replacements
- Mercury Marine 46-73640A2
- Mercury Marine 46-77516A3
- Mercury Marine 46-77177A3
- Sierra Marine 18-3322, 18-3323, 18-3324
- GLM 12170, 12180, 12100
- Mallory 9-48303, 9-48302, 9-48312
Why choose this kit
This aftermarket kit is designed as a practical backup spare for maintenance and on-the-water servicing. It brings a complete set of parts for a full pump refresh, supporting durable performance and easier boating experiences. The broad compatibility makes it a versatile option when sourcing replacement components from Sierra, GLM, and Mallory families.
Installation tips
For best results, use this kit alongside the 26-38452 and 26-38453 Water Pump Housing Seal Kit to help ensure proper sealing and orientation. Verify part fitment to your model, align the impeller with the pumping direction, and replace gaskets carefully to prevent leaks. A methodical approach can shorten downtime and keep your outboard running smoothly.
FAQ
Q: Which Mercury outboards are compatible with the QuickMarine 77177A3 kit?
A: It fits Mercury Marine 30 JET and 35-70 HP outboards when used with the 26-38452/26-38453 housing seal kit.
Q: What items are included in the kit?
A: The kit includes impeller, wear plate, key, housing, base, gaskets, drain gasket, rubber washer, and O-ring.
Shipping & Return
xReturns 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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