My Account
Shopping Cart

Quicksilver 8M0180871 MerCruiser Sea Water Pump Wear Plate

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

8M0180871
09/12/2036 8:57 AM
Sale Price

$8.50

In Stock (10+)

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 Quicksilver 8M0180871 is a genuine OEM sea water pump wear plate (also referred to as a raw water pump backing plate or rear cover wear plate) designed for MerCruiser inboard and sterndrive engines. This precision-machined plate provides the critical sealing surface for the impeller inside the sea water pump, maintaining proper pump efficiency and protecting against premature wear.

Key Features:

  • Genuine OEM Quicksilver / Mercury Marine replacement part
  • Designed for the new-style sea water pump with plastic hose housing
  • Provides the precise sealing surface required for optimal impeller performance
  • Manufactured to OEM specifications for reliable, long-lasting service
  • Supersedes part number 8M2014176

Compatible Engine Applications:

  • MerCruiser 4.3L, 5.0L, 5.7L, 6.2L, and 8.2L engines
  • MerCruiser Race 520 and 540 engines
  • MCM V-6 and V-8 engines (305, 350, and 496 CID), 2000 and newer, equipped with the brass sea water pump

Replacing the wear plate during routine water pump service helps ensure consistent coolant flow and prevents engine overheating. This part is an essential component of a thorough impeller service and is commonly replaced alongside the impeller and pump gaskets.

Part Numbers: 8M0180871 | Supersedes: 8M2014176

Good

Great products and service. Fast delivery

Great keep giving you business

Easy, no nonsense online ordering.

Made a phone call to the 888 number and the girl was very helpful, therefore I made up my mind to order immediately.

very fast and efficient service, had the part i needed, when i needed it...easy to navigate website too!

All way on time

Got my parts fast and acutely.

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