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Thermostat Kit (140°F) for MerCruiser V6 & V8 non-high performance GM engines with standard cooling

Marsoni M251S
Sale price$40.95
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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
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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.
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4.9 ★★★★★
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Daniel C.
Phoenix, US
★★★★★ 5
Great quality products
Used this product to make a new hot and ground on my 2001 Ford f450 with 2 batteries. Alot cheaper than factory!!
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Reviewed in the United States on August 17, 2025
T
Verified Purchase
Todd Levesque
Belleville, US
★★★★★ 5
Purchase a very good set or at least the correct cutters for this wire. I’ll make your life hell .
Glad I bought it when I did. Copper has gone way up. And this is full core copper. Place my copper ends on the stuff works great. Using it on a solar battery bank.
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Reviewed in the United States on February 9, 2026
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Verified Purchase
Norman
Cuba, US
★★★★★ 4
Wire
It's good but it's aluminum
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Reviewed in the United States on November 22, 2024
M
Verified Purchase
mike tavalez
Port Orchard, US
★★★★★ 5
Works good
Great spare spool for RV application amd home build inverter setup
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Reviewed in the United States on March 5, 2026
A
Verified Purchase
Avary Jones
Fort Morgan, US
★★★★★ 5
Good current wire
It works well
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Reviewed in the United States on October 20, 2025

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