★★★★★ 5
Cool
Size: One Size, Color: Cool Grey/Pfg Fotw
Pretty good love it
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Reviewed in the United States on May 5, 2026
Thermostat Kit (140°F) for MerCruiser V6 & V8 non-high performance GM engines with standard cooling
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Thermostat Kit (140°F) for MerCruiser V6 & V8 non-high performance GM engines with standard coolingFor over 40 years, Engineered Marine Products has been successfully serving both the OEM and marine after market by providing superior quality, reliable, and competitive marine products at affordable prices. We're pleased to be appointed as UK Distributor for this brand. This six piece EMP Thermostat Kit is for 1983 onwards MerCruiser V6 & V8 non high performance GM based engines with standard cooling systems (140F). Replaces: Mercury Pt. No. 807252Q4
Quick Dispatch:
Your Thermostat Kit (140°F) for MerCruiser V6 & V8 non-high performance GM engines with standard cooling orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Thermostat Kit (140°F) for MerCruiser V6 & V8 non-high performance GM engines with standard cooling ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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4.0 ★★★★★
Based on 612 reviews
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Product Reviews
★★★★★ 5
buena calidad
Size: One Size, Color: Cypress/Pfg First on the Water
top
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Reviewed in the United States on August 9, 2025
★★★★★ 1
HORRIBLE HAT
Size: One Size, Color: Beach/Trout Shine
Horrible quality hat, very disappointed in the structure I DO NOT RECOMMEND YOU BUY THIS. It dissolved in water
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Reviewed in the United States on February 24, 2026
★★★★★ 3
Love the look, but color fades after 2-3 long days in the sun
Size: One Size, Color: Shark/Pfg Palms
Great fit and design, but black fades to brown from sunlight way to quick. Hats are meant to block the sun, so they should be able to hold up to UV better than this hat
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Reviewed in the United States on November 26, 2024
★★★★★ 5
As good as the name brands and fits well
Special Size: Midweight, Size: 38W x 28L, Color: Tinted Medium Blue
Just like the name brands, nice and sturdy at a great price. Fits well, feels better than the L's and the W's that's all I'll say there. Solid material, should last years.
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Reviewed in the United States on May 21, 2026
