821354A2 Water Pump Impeller Kit For Mercury Mariner Outboard 25 30 40 50 HP
821354A2 Water Pump Impeller Kit For Mercury Mariner Outboard 25 30 40 50 HP
Product Information
Water Pump Impeller Repair Kit for Mercury Mariner 25 30 40 50 HP 4-Stroke Outboard Motor
Application
This guide is to be used as a reference only. You must verify fitment using your model or serial number.
Package Included
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18-1838 Seal, Short 1 3/4” 43023
18-1839 Seal, Long 2 1/4” 8235471
18-2560 Washer 12-866451
18-0345 Gasket, Upper Water Pump 27-822189
18-99155 Gasket, Lower Water Pump 27-822217
18-4577 Plate, Wear 8213542
18-3057 Impeller 47-850893
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18-1838 Seal, Short 1 3/4” 43023
Fitment
Fits the Following Mercury Mariner Outboards
4-Stroke 25HP 30HP 40HP 50HP
2 Cyl 30HP 40HP
3 Cyl 40hp 50hp
50hp Bigfoot
NOTE: To find the right part for your outboard, it is VERY IMPORTANT to verify outboard model or serial number before purchase. You can leave us a message with your outboard engine parts model, serial number, horsepower, or year if you are not sure whether this part fits your outboard motor. We are happy to help.
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Boat Owners' Review
Before You Buy
Frequently Asked Questions
What is your refund policy?
We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.
See our full Refund Policy for complete details.
How does shipping work?
Free international shipping on every order — no minimums. We ship from our global warehouse network (US, Germany, UK, Australia). Typical delivery: 10-20 business days. Tracking included.
See our full Shipping Policy.
How do you keep prices fair?
We cut out the middlemen. XRmarine sources directly from quality manufacturers and sells at honest prices. Same OEM-quality parts, no dealership markup. Every order comes with free shipping, real expert support, and a 1-year warranty.
Learn more on our About Us page.
What payment methods do you accept?
We currently accept PayPal — a fast, secure way to pay online. Credit card payments (Visa, Mastercard, American Express) and Shopify Payments are being set up and will be available soon. We appreciate your patience.