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Engineered Marine Products 47-01312 Neoprene Water Pump Impeller with O-Ring for Volvo/Sherwood

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

47-01312
09/12/2036 12:59 PM
Sale Price

$24.32

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Engineered Marine Products 47-01312 is a neoprene raw water pump impeller designed as a direct replacement for Volvo Penta and Sherwood engine cooling pump applications. It includes an O-ring and is engineered to maintain consistent coolant flow through your engine's raw water circuit, helping prevent overheating during operation.

This impeller features a key-drive hub (Pleasurecraft-style), making it a drop-in fit for compatible pump housings. Built from neoprene rubber, it delivers excellent elasticity and resilience in demanding marine cooling environments.

Specifications:

  • Material: Neoprene
  • Number of Blades: 12
  • Inner Diameter (ID): 15.9 mm (0.63 in.)
  • Outer Diameter (OD): 62 mm (2-7/16 in.)
  • Width: 31.7 mm (1-1/4 in.)
  • Hub Drive: Key drive
  • Includes: Impeller and O-ring

Cross-Reference Part Numbers:

  • Volvo Penta / OMC: 835512, 3854286
  • Sherwood: S9959
  • Sierra: 18-3060
  • Crusader: 22212
  • Pleasurecraft: RP061015
  • Jabsco / Johnson Pump: 18838-0001
  • Mallory: 9-45707
  • Oberdorfer: 132-0317
  • GLM: 12246

Regular impeller replacement is essential preventive maintenance for any marine engine. Inspecting and replacing the impeller on a routine basis helps protect your engine from heat damage and ensures reliable cooling system performance season after season.

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