★★★★★ 5
Exelente
Size: For 85-300 HP
Exelente
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Reviewed in the United States on March 21, 2026
WSM Johnson Evinrude 4.5 -300HP Thermostat 143 Degree 775-125, 0377148, 0378065
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Johnson Evinrude 4.5 -300HP Thermostat 143 Degree 775-125, 0377148, 0378065ITEM#: 775 125 THERMOSTAT: JOHNSON EVINRUDE 4. 5 300 HP OEM#: 0377148, 0377612, 0378065, 0393659, 0434841, 0437414, 0508626, 18 3543, 5005440 BRAND: WSM FITMENTS: Make Model Year(s) Johnson Evinrude 2 Cyl 2. 188 Bore Cross Flow 15 1980 1987 Johnson Evinrude 2 Cyl 2. 188 Bore Cross Flow 9. 9 1974 1987 Johnson Evinrude 2 Cyl 2. 375 Bore Cross Flow 15 1995 Johnson Evinrude 2 Cyl 3. 000 Bore Cross Flow 20 1985 1998 Johnson Evinrude 2 Cyl 3. 000 Bore Cross
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- Fast: 2-3 business days
- Express: 1-2 business days
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4.3 ★★★★★
Based on 1527 reviews
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Product Reviews
★★★★★ 5
Good as new
Size: Package Dimensions 6.02 x 4.02 x 2.05 inches
Fitment was great and works as it should. Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2025
★★★★★ 3
Incorrect motor listed. Far smaller impeller than what's in the 6 horse johnson.
Size: For 5.5HP 6HP 7.5HP
It seems to be of good quality. However it does not fit a 6 horse johnson as it states. Therefore it will not pump water or function for my purposes. It was a waste of money.
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Reviewed in the United States on October 15, 2025
★★★★★ 5
Good product
Worked for what I needed. Fit great and easy to install.
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Old Merc Inline 6s - 1500, 1400, 1250, 1150
This is the second time I purchased from them. The kits are good quality, and impeller is durable. Pictures is the initial one I purchased from them two seasons ago. It had hundreds of hours on it, plus me accidentally cooking it for 3 mins without water hooked up to the engine - which is why I purchased it again. Given 2 seasons of use and my recent screw up it held up well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 11, 2024
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