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💦 Keep your boat’s heart pumping strong — don’t get left high and dry!
This Water Pump Impeller Repair Kit by big-autoparts is a premium, OEM-compatible solution designed for Johnson, Yanmar, Sierra, and Indmar watercraft engines. Featuring a durable neoprene impeller, gasket, and O-rings, it ensures a precise 12-spline drive fit for reliable, long-lasting performance. Factory-tested and backed by warranty, this kit offers an easy, all-in-one replacement to keep your marine engine running smoothly and efficiently.
| ASIN | B06X961BNQ |
| Brand Name | big-autoparts |
| Compatible with Vehicle Type | Boat |
| Customer Reviews | 4.7 4.7 out of 5 stars (638) |
| Item Weight | 154 Grams |
| Manufacturer | Big-Autoparts |
| Manufacturer Part Number | 09-812B-1 119773-42600 18-3306 S685007 |
| Material Type | neoprene,brass,ABS |
| Model Number | 09-812B-1 119773-42600 18-3306 S685007 |
| Part Interchange Info | 09-812B-1 119773-42600 18-3306 S685007 |
| UPC | 780330798166 |
E**!
Perfect fit
Perfect fit for my 1992 Mastercraft Prostar 190. Easy to install and just like the OEM.
C**Y
Reliable replacement impeller
Second time purchasing this impeller kit. I replace the impeller every other year, at the beginning of the season. Works well and has been reliable, so far. Installed in the Johnson water pump on the Indmar Monsoon 340. I've used all kinds of tools and methods to remove these over the years. An impeller puller is definitely the easiest. Just need a little soap or water-based lubricant to ease the installation.
R**R
Perfect!
Working great. Perfect fit. Good value
D**B
It is what is says!
It is what we ordered. I wish I know it was made in China!
M**N
It has been in the boat for 5 years and is still intact and working well.
It has been in the boat for 5 years and is still intact and working well. Clean lake and I've never sucked up sand or gravel. Just ordered another one.
J**P
2014 Moomba Mondo Indmar Assault 330
Update: 2025 2 seasons and 100 hours later! Here is what the impeller looks like. See pic! Still looks brand new! Almost felt bad swapping it out but I don’t dare go a third season with it. Rubber was a bit soft as expected after 100 hours of actual run time. I bought the same one as a replacement. What a win! Considering how expensive stuff has gotten I decided to buy this “off brand” impeller for our Moomba. Figured at this price I could replacement yearly (if need be) vs. every other year. What sold me was a review saying they had it for two years. I’ll update when I its time to replace it. Exact fit, exact look. Went in as any other one would. Fins felt pretty good. On the old impeller has 200+ hours on it. Not much wear.
W**T
good replacement at a good price
my original impeller finally gave out and I found this one for a excellent price. It works well and is pumping water through my Malibu and the engine no longer overheats. Thank you
R**Z
Exact fit
Perfect replacement
A**R
Perfect
L**Z
Completo con empaque y de buena calidad todo
C**N
Run them in my 5.7 boat engine, no problem so far!
P**3
el producto es muy bueno.
V**S
I purchased both OEM and this product. The quality appears to be good. It was delivered on time and included the impeller, o-ring and gasket plus customer support contact information email. Absent was lubricant. I compared to a new OEM impeller and noticed that the rubber was a bit softer and it does not have a notch near the spline like the OEM version. Have not installed yet.
Trustpilot
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