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Engineered Marine Products 27-00331 Thermostat Gasket for MerCruiser V8

Manufacturer

Engineered Marine Products

<h3>About Engineered Marine Products (EMP)</h3><p><strong>Engineered Marine Products</strong>, widely known in the boating world as <strong>EMP</strong>, has been a trusted name in marine parts manufacturing for over 40 years. The company supplies OEMs, distributors, dealers, and rebuilders worldwide with high-quality aftermarket components engineered to meet or exceed original equipment manufacturer (OEM) specifications. Whether you maintain a weekend fishing boat or a performance inboard, EMP&apos;s extensive catalog is built to keep marine engines running reliably season after season.</p><h3>A Marine Parts Specialist Built on Engineering Precision</h3><p>EMP&apos;s foundation is precision manufacturing. Their design and production processes leverage modern engineering technology, with a focus on dimensional accuracy, material quality, and long-term durability in the demanding marine environment. Salt spray, constant vibration, wide temperature swings, and moisture ingress are realities every marine component must survive — and EMP engineers its parts with exactly those conditions in mind.</p><p>The brand&apos;s catalog spans a remarkably wide range of marine engine subsystems. From cooling and fuel delivery to gearcases, propellers, transom components, and steering systems, EMP offers solutions for outboard engines from manufacturers including Mercury/Mariner, Yamaha, BRP (Johnson/Evinrude), and Force, as well as inboard/sterndrive platforms such as MerCruiser, OMC, and Volvo Penta.</p><h3>Ignition and Electrical Components</h3><p>One of EMP&apos;s most comprehensive product areas is marine ignition and electrical systems. Their <a href="/13199-engineered-marine-products-ignition-control-module-10488">Ignition Control Modules</a> and related ignition components cover a broad spectrum of inboard and outboard applications — from distributor caps and rotors for Volvo Penta V8 engines to ignition coil assemblies compatible with MerCruiser 3.0L through 8.4L GM-based powerplants and OMC configurations. Reliable spark delivery is critical to engine performance and starting consistency on the water, and EMP&apos;s ignition lineup is designed to deliver dependable output across the entire RPM range.</p><h3>Gaskets, Seals, and Engine Integrity</h3><p>Keeping a marine engine leak-free is just as important as keeping it firing correctly. EMP&apos;s <a href="/13199-engineered-marine-products-gaskets-seals-201268">Gaskets &amp; Seals</a> lineup addresses the full range of engine and gearcase sealing needs — including gearcase seal kits, Teflon lip seals, fuel injector crush ring kits, and comprehensive engine gasket sets. Proper sealing prevents water intrusion, oil loss, and exhaust leaks that can quickly sideline a boat and lead to expensive engine damage.</p><h3>Why Boaters and Technicians Choose EMP</h3><ul style="list-style:disc"><li><strong>OEM-Grade Quality:</strong> Parts are engineered to meet or exceed original manufacturer specifications, ensuring proper fit and reliable function.</li><li><strong>Broad Application Coverage:</strong> EMP covers major outboard and inboard/sterndrive platforms from leading marine engine brands.</li><li><strong>Trusted Supply Chain:</strong> EMP products are sold through OEMs, distributors, and dealers globally, reflecting deep industry confidence in the brand.</li><li><strong>40+ Years of Manufacturing Heritage:</strong> Decades of marine-specific engineering experience inform every product in the EMP lineup.</li></ul><p>For boat owners, marine technicians, and engine rebuilders who demand components they can count on, Engineered Marine Products delivers the quality and application coverage to get the job done right.</p>

Part Number

27-00331
09/12/2036 7:04 AM
Sale Price

$8.27

In Stock (5)

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Usually delivered within 2 days

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Fitment guaranteed

Product Details

The Engineered Marine Products 27-00331 is a precision-engineered thermostat gasket designed specifically for MerCruiser V8 marine engines. This essential gasket provides a reliable seal between the thermostat housing and engine block, preventing coolant leaks and maintaining optimal engine temperature regulation.

Key Features:

  • Direct replacement for MerCruiser V8 engines, 228-500 HP
  • Compatible with 1978-1997 GM and MIE marine engines
  • Engineered to withstand extreme temperature, pressure, and chemical exposure
  • Quality construction ensures proper sealing and long service life
  • Critical component for maintaining proper cooling system function

When performing thermostat service or replacement, always install a new gasket to ensure a proper seal and prevent coolant leaks. This gasket is designed to match the exact specifications of the original equipment for reliable performance in marine applications.

Easy shopping

Good price. I just hope the part gets to me in a timely fashion.

Good price with low shipping fee

Have not received it yet

Very very good, even great! Best prices on the web and fastes service. Will continue to purchase all my automotive needs from here!

Your site is kind of a pain to navigate, every thing else was good

Easy. User friendly

great fast tech support before purchase

Bought a roll n lock tonneau for my Tacoma. The price was less than any other sellers advertised price on the internet. It was easy with a couple of clicks and the delivery was fast. Definitely would buy from them again.

Not pleased when I got an error when paying with credit card.

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