Heating and Cooling› Thermostats, Housings and Fillers

Engineered Marine Products

THERMOSTAT KIT 160 DEG.

$39.47

SKU: E051 75-00409

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Engineered Marine Products 75-00409 is a thermostat kit designed to regulate engine temperature. This kit operates at 160 degrees Fahrenheit and is compatible with MerCruiser 3.7L, 4-cylinder MIE engines that feature aluminum exhaust manifolds and closed-cooling systems. It replaces Mercury part numbers 99155T2 and 99155A1, and also crosses with Sierra, GLM, and Mallory part numbers.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandEngineered Marine Products
Part NumberE051 75-00409

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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