My Account
Shopping Cart

Engineered Marine Products 75-03222 Thermostat Kit 160 Degree for MerCruiser

Manufacturer

Engineered Marine Products

<h3>About Engineered Marine Products (EMP)</h3><p><strong>Engineered Marine Products</strong> — known throughout the industry as EMP — has been a trusted name in marine engine service parts for over 40 years. <a href="/13199-engineered-marine-products">EMP</a> supplies OEMs, distributors, dealers, and professional rebuilders worldwide with high-quality components designed to keep outboard, sterndrive, and inboard engines running reliably on the water.</p><p>What sets EMP apart is its unwavering commitment to OEM-grade engineering. Every component in the EMP catalog is manufactured to meet or exceed original equipment specifications, giving marine technicians and boat owners confidence that a part will fit correctly and perform consistently in demanding freshwater and saltwater environments.</p><h3>A Comprehensive Marine Parts Catalog</h3><p>EMP&apos;s product range spans virtually every critical system of a marine engine. The brand&apos;s catalog — organized around outboards, inboard/sterndrive, and specialty marine applications — covers fuel systems, gearcases, engine internals, cooling systems, steering and controls, seals and gaskets, transom components, and propellers. This breadth makes EMP a reliable single-source supplier for multi-system service jobs.</p><p>At the heart of the EMP lineup are <a href="/13199-engineered-marine-products-fuel-pumps-201310">marine fuel pumps</a>, including complete assemblies, VRO replacement units, and repair kits engineered to restore dependable fuel delivery across a wide range of Mercury, Mariner, Johnson, Evinrude, and other popular engine brands. Consistent fuel delivery is foundational to smooth starts and efficient engine operation, and EMP&apos;s fuel system offerings reflect that priority.</p><p>EMP is equally well-regarded for its <a href="/13199-engineered-marine-products-trim-and-tilt-units-201108">trim and tilt units</a> and associated <a href="/13199-engineered-marine-products-tilttrim-motors-201071">tilt/trim motors</a> — the hydraulic and electrical components that give boaters precise control over engine angle. Whether trimming out for high-speed performance or trimming in to navigate shallow water, a reliable tilt/trim system is essential, and EMP parts are engineered to hold up to the corrosive marine environment.</p><p>Below the waterline, EMP&apos;s <a href="/200345-drive-gearcase-parts-engineered-marine-products-13199">drive and gearcase parts</a> — including seal kits, bearing carriers, and clutch components for MerCruiser, OMC, Volvo Penta, Mercury, and other drives — provide the precision fitment that underwater gear systems demand. The brand also carries a broad selection of general RV &amp; marine replacement components suited for maintenance across a wide variety of watercraft.</p><h3>Why Marine Professionals Choose EMP</h3><ul style="list-style:disc"><li><strong>OEM-level fitment:</strong> Parts are designed to match original manufacturer specifications for accurate installation.</li><li><strong>Wide application coverage:</strong> EMP supports Mercury/Mariner, Johnson/Evinrude, MerCruiser, OMC, Volvo Penta, Yamaha, and more.</li><li><strong>Durability in harsh environments:</strong> Components are built to withstand saltwater exposure, vibration, and thermal stress.</li><li><strong>Trusted supply chain:</strong> Over four decades of distribution to OEMs, dealers, and rebuilders worldwide speaks to EMP&apos;s consistency and reliability.</li></ul><p>Whether you&apos;re a professional marine technician stocking a service bay or a boat owner tackling seasonal maintenance, Engineered Marine Products delivers the quality and fitment assurance that keeps engines running season after season.</p>

Part Number

75-03222
09/12/2036 12:45 PM
Sale Price

$22.76

4 left at this price

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Engineered Marine Products 75-03222 is a complete 160-degree thermostat kit designed for MerCruiser GM V6 and V8 sterndrive engines with standard cooling systems. This aftermarket replacement kit provides reliable temperature regulation for marine engines, ensuring optimal operating temperatures and efficient coolant flow management.

Key Features:

  • 160°F (71°C) thermostat opening temperature for standard cooling systems
  • Complete kit includes thermostat, housing sleeve, and multiple gaskets for proper installation
  • Designed for flat cover style thermostat housings
  • Quality aftermarket replacement that meets OEM specifications
  • Helps prevent engine overheating and maintains consistent operating temperature

Engine Compatibility:

  • MerCruiser V6 engines: 4.3L (262 CID)
  • MerCruiser V8 engines: 5.0L, 5.7L, 7.4L, 8.2L
  • Compatible with 1987 and newer GM-based marine engines
  • Also fits select 3.0L late model applications with standard cooling

Replaces OEM Part Numbers:

  • MerCruiser: 807252Q5, 807252T5, 807252T8
  • Sierra: 18-3647
  • GLM: 13100, 13101

This thermostat kit is essential for maintaining proper engine cooling system performance in marine applications. Regular thermostat maintenance helps prevent costly engine damage from overheating and ensures your marine engine operates at peak efficiency.

Fast and efficient

Very expedient. Two thumbs up! Impressed with ordering, shipping and product! You will be my go to place for the future! Thanks!

the price should be available for viewing on the last processing screen.

Excellent price!

best price

Best price and super easy to use.

Very fast transaction and shipping info.. Best price found on the internet..

This item was priced very attractively and shipped promptly. It was ordered on Sunday,<br>June 10th and shipped the next day, arriving at my address on Tuesday, June 12th. A very<br>satisfacory buying experience for me.

Thanks - Great Product. Fast Shipping. Plus they answer the phones!

easy

Great company. Easy to look and see what product fit my vehicle and very easy to checkout using paypal. Will come back for more product

Great place to shop. My brother and I race for cars and they were by far the cheapest place for our car cover by about 40 bucks!

Fast, easy, Awesome.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy