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Sierra 18-3406 Water Pump Impeller Kit for Marine Engines

Manufacturer

Sierra

<p>For nearly six decades, Sierra has established itself as one of the marine industry's most trusted names in aftermarket engine and drive parts. Founded as a specialized marine parts manufacturer, Sierra has grown into a comprehensive supplier of replacement components, instrumentation, and accessories for both recreational and commercial boating applications. Operating from their 300,000-square-foot distribution center in Litchfield, Illinois, Sierra serves boat owners and marine technicians worldwide with an extensive catalog of parts engineered specifically for the harsh saltwater environment.</p><h3>Marine Engine Excellence</h3><p>Sierra's reputation was built on delivering precision-engineered internal engine components and drive system parts that meet or exceed OEM specifications. Their <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> provide critical sealing solutions for inboard and outboard motors, while their <a href="/7570-sierra-engine-complete-assembly-15341">engine complete assemblies</a> offer comprehensive replacement options for major overhauls. Each component undergoes rigorous testing to ensure reliability in demanding marine conditions, from corrosion resistance to temperature cycling performance.</p><h3>Instrumentation and Monitoring Systems</h3><p>Accurate instrumentation is essential for boat operators to monitor engine health and prevent costly breakdowns on the water. Sierra's comprehensive line of <a href="/7570-sierra-gauges-200483">gauges</a> includes everything from fuel pressure and temperature indicators to voltmeters and trim gauges, all designed with marine-grade materials that withstand vibration, moisture, and UV exposure. Their <a href="/7570-sierra-tachometer-gauge-1488">tachometer gauges</a> deliver precise RPM readings critical for optimizing engine performance and fuel efficiency. Supporting these instruments, Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> ensure proper signal conditioning and accurate readings across various sensor types and engine configurations.</p><h3>Expanded Product Portfolio</h3><p>In 2022, Sierra significantly broadened its scope beyond traditional marine engine parts to encompass a wider range of boating accessories and even outdoor power equipment components. This strategic expansion brought established marine brands like Shields and Moeller under the Sierra umbrella, creating a one-stop resource for marine maintenance and replacement parts. The company now offers fuel systems, electrical components, battery charging solutions, and NMEA electronics alongside their traditional engine parts lineup.</p><h3>Quality Backed by Industry-Leading Warranties</h3><p>What sets Sierra apart in the crowded aftermarket marine parts market is their commitment to standing behind every component they manufacture. Their warranty coverage extends beyond simple part replacement—it includes shop labor, haul-out fees, towing charges, and related incidental costs should a warrantied part fail. This comprehensive protection reflects the company's confidence in their manufacturing processes and quality control standards. For boat owners facing repairs far from shore or mechanics working on customer vessels, this peace of mind is invaluable. Whether you're maintaining an outboard motor, rebuilding an inboard engine, or upgrading your boat's instrumentation, Sierra's decades of marine industry experience and commitment to quality make them a reliable choice for keeping your vessel running at peak performance.</p>

Part Number

18-3406
06/01/2036 6:03 AM
Sale Price

$98.27

In Stock (10)

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3406 Water Pump Kit provides essential components for rebuilding and maintaining your marine engine's cooling system. This comprehensive kit includes the impeller, gaskets, seals, and hardware needed to restore proper water pump function and ensure reliable engine cooling performance.

Key Features:

  • Complete water pump rebuild kit with all necessary components
  • Includes premium impeller designed for reliable water flow
  • Gaskets and seals ensure proper sealing and prevent leaks
  • Manufactured to meet or exceed OEM specifications
  • Direct replacement for worn or damaged water pump components
  • Essential maintenance item for marine engine longevity

Regular water pump maintenance is critical for preventing engine overheating and costly repairs. This Sierra kit provides quality components engineered for marine environments, helping ensure your engine stays cool and operates reliably on the water.

Great company to do business with. Excellent prices and fair shipping rates. I will certainly buy from them in the future.

Was easy to find my original remplacement part and cheap

The fact that I could use my Amazon credentials made the purchase quick and easy.

The web site was easy and it said my part is in stock. I'm a little suspicious since no one else has it in stock. I will change rating from 5 star to 1 star if it turns out you don't really have the part!!!

love how it connected to Amazon. Super easy !

Very easy and quick. Great prices- great system- will use again!

Very fast shipping! Website easy to use.

Good

Quick.

Easy and fast.

shopping experience quick and easy. Free shipping a definite plus

Great price on plugs

Awesome selection, most reasonable prices around!!!

Not happy with the20.00 shipping since on Google it said it was10.00.

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