Heating and Cooling› Thermostats, Housings and Fillers

Engineered Marine Products

THERMOSTAT KIT 140 DEG.

$41.17

SKU: E051 75-03948

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Engineered Marine Products 75-03948 is a thermostat kit designed for 1983-1996 MerCruiser GM V6 and V8 engines with standard cooling systems. This kit ensures optimal engine temperature for performance and longevity.

It replaces MerCruiser part numbers 807252Q4 and 807252T4, as well as several aftermarket equivalents. The kit includes a 140°F (60°C) thermostat and a full set of housing gaskets.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandEngineered Marine Products
Part NumberE051 75-03948

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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