Water Pump Impeller Kit 47-812966A12 for Mercury Mariner 40 50 60 HP 4-Stroke Outboard
Water Pump Impeller Kit 47-812966A12 for Mercury Mariner 40 50 60 HP 4-Stroke Outboard
Product Overview
Water pump impeller repair kit for Mercury and Mariner 40 HP, 50 HP and 60 HP four-stroke outboards, supplied as 1 x impeller with faceplate, base, housing, guide tube, coupler, upper and lower gaskets, key and O-ring. It replaces Mercury 47-812966A10, 47-812966A11, 47-812966A12, 47-812966A4, 47-812966A5, 47-812966A6, 47-14334A2, 47-14334A3 and 46-812966A12. A worn pump shows up as a weak telltale, overheating at idle, or scoring inside the housing.
Specifications & Attributes
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Water Pump Impeller Repair Kit |
| Engine Type | Mercury / Mariner four-stroke outboard |
| Horsepower Range | 40 HP - 60 HP |
| Kit Type | Complete water pump repair |
| Warranty | 3 years |
OEM Cross Reference
| Brand | OEM Part Numbers |
|---|---|
| Mercury (kit) | 47-812966A10, 47-812966A11, 47-812966A12, 47-812966A4, 47-812966A5, 47-812966A6, 46-812966A11, 46-812966A12 |
| Sierra | 18-8900 |
| Mercury (housing / base) | 47-14334A2, 47-14334A3 |
| Mercury (impeller) | 47-19453T |
| Mercury (faceplate) | 19700A2 |
| Mercury (base) | 46-812966A7 |
| Mercury (coupler) | 859770, 893857 |
Compatible Engines
Fits the following Mercury and Mariner four-stroke outboards:
| Brand | HP |
|---|---|
| Mercury / Mariner | 40 HP |
| Mercury / Mariner | 50 HP |
| Mercury / Mariner | 60 HP |
| Mercury / Mariner | 75 HP |
| Force | As listed (UK listing) |
| Mercury (serial range) | D000750 - G589999 |
What's Included
| Component | Qty |
|---|---|
| Impeller | 1 |
| Faceplate | 1 |
| Base | 1 |
| Housing | 1 |
| Guide Tube / Coupler | 1 |
| Upper Gasket | 1 |
| Lower Gasket | 1 |
| Impeller Key | 1 |
| O-Ring | 1 |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | 3 years |
| Packaging | Sealed retail packaging |
Before You Buy
- Verify your engine model and serial number before ordering
- Fits Mercury and Mariner 40, 50 and 60 HP four-stroke outboards
- This kit includes the housing and base — check your old parts for scoring first
- Renew both gaskets and the O-ring with the pump — reused seals usually weep
- 30-Day Easy Returns
- Free Worldwide Shipping
- OEM Quality Without the Markup
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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 operate a global warehouse network with a main distribution centre in Asia (10-20 business days). We also hold stock in regional warehouses across the United States, Germany, the United Kingdom, Australia, and Poland (opening soon) — most orders arrive in 1-3 business days within those countries and in 2-8 business days to nearby regions. 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.