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Quicksilver 807252Q5 Thermostat 160°F for V6 V8 MerCruiser Engines 1987-2016

Manufacturer

Quicksilver

<h3>Quicksilver: The Marine Enthusiast&apos;s Trusted OEM Brand</h3><p>For boaters who refuse to compromise on quality, <strong>Quicksilver</strong> has been the benchmark for marine parts, accessories, and engine care products since 1950. Based in Fond du Lac, Wisconsin, Quicksilver operates as the parts and accessories brand of Mercury Marine — and that heritage is central to everything it makes. As the only marine aftermarket brand manufactured and recommended by an original-equipment manufacturer, Quicksilver brings factory-level engineering directly to boat owners, professional technicians, and weekend warriors alike.</p><p>What sets Quicksilver apart from generic aftermarket suppliers is its direct lineage to the engineers who designed the engines in the first place. Every component is engineered, tested, and manufactured with the same exacting standards as the original equipment it replaces. The result is a product line that fits right the first time and delivers the reliability boaters depend on — whether they&apos;re navigating calm inland lakes or pushing through demanding saltwater conditions.</p><p>Quicksilver&apos;s catalog spans more than 40,000 parts across 12 product lines, covering outboard and sterndrive engines from Mercury, Mariner, Yamaha, Honda, Evinrude, Johnson, Suzuki, and more. Among the most critical components in that lineup are Quicksilver Fuel Pumps, which are built to deliver factory fit and consistent fuel delivery across a wide range of outboard applications. Reliable fuel delivery is the foundation of engine performance, and Quicksilver&apos;s fuel system components are engineered to handle the demanding conditions of marine use — including compatibility with current fuel formulations.</p><p>Beyond fuel systems, Quicksilver is a go-to source for Propeller Parts &amp; Accessories that help boaters maintain and optimize their propulsion systems. From hub kits that protect both prop and gearcase to installation hardware and prop tools, these components are designed to the same tolerances as the drives they support. Proper propeller maintenance is one of the most impactful things a boat owner can do for performance, efficiency, and engine longevity — and Quicksilver makes that job straightforward.</p><p>The brand&apos;s commitment extends across lubricants, impellers, thermostats, anodes, fuel filters, oil filters, maintenance kits, and complete service packages — all engineered for the marine environment and tested to meet or exceed the standards of major engine manufacturers. Whether you&apos;re performing routine seasonal maintenance or tackling a more involved repair, Quicksilver provides the parts that restore your engine to peak operating condition.</p><ul style="list-style:disc"><li>OEM-backed engineering from Mercury Marine</li><li>Compatible with Mercury, Yamaha, Honda, Evinrude, Johnson, Suzuki, and Mariner engines</li><li>Over 40,000 parts spanning 12 product lines</li><li>Formulated and tested for freshwater and saltwater environments</li><li>Trusted by DIY boaters and professional marine technicians since 1950</li></ul><p>When reliability on the water is non-negotiable, Quicksilver delivers the peace of mind that only a true OEM-backed brand can provide.</p>

Part Number

807252Q 5
09/12/2036 5:13 AM
Sale Price

$39.99

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 807252Q5 is a precision-engineered replacement thermostat designed specifically for V6 and V8 MerCruiser engines manufactured by General Motors from 1987 to 2016. This 160°F thermostat is engineered for standard cooling systems and excludes high-performance engine applications.

Key Features:

  • 160°F operating temperature for optimal engine cooling performance
  • Direct OEM replacement for Mercury Marine MerCruiser engines
  • Ensures peak engine performance and maximum fuel efficiency
  • Manufactured to Mercury Marine original equipment specifications
  • Simple installation with common shop tools
  • Compatible with V6 and V8 standard cooling systems (non-high performance)

Proper thermostat temperature is critical for maintaining your engine's cooling system efficiency and preventing overheating or overcooling issues. Always verify the correct thermostat temperature rating in your owner's manual or service manual before installation. Quicksilver has been the trusted choice for marine engine parts for over 65 years, delivering uncompromising quality through rigorous testing and precision engineering.

Application: MerCruiser V6 and V8 engines (GM-based) model years 1987-2016 requiring 160°F thermostat, excluding high-performance models.

It was one of the few places I could find online that sold the Warn gaskets I was looking for. It was a great price, shipping costs were ok, but overall I had a good experience and I'll definitely come back.

fast and good price

Very easy &amp; quick.

vert simple.

Thanks...hopefully they are shipped fast

Very satisfied...quick and easy!!!

This was the first time I used them and the shipping was fast and the price was great would recommend them to anyone looking to buy car parts online.

Just order the 1108 turn over ball for 2010 Super Duty and received it within (5) days. Just can't wait to put it on and start pulling the trailer with my new diessel.

Nice to have shopping payment options with great prices

Good enough

Quick and easy!

So far so good.

good price and everything i needed this is the second email ive recieved to rate my order, i dont know what happened but hoping it was a mix up

I'm happy with my purchase and the service I received. I gave you guys a "good" rating instead of "excellent" on shipping only because I hate FedEx and would like to have another shipper option during checkout.

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