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Sierra 23-3305 Impeller Kit for Westerbeke 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

23-3305
06/03/2036 7:36 AM
Sale Price

$38.52

In Stock (10+)

delivery box

Usually delivered within 2 days

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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 23-3305 is a premium replacement impeller kit designed specifically for Westerbeke marine engines. This essential cooling system component ensures reliable water pump operation to maintain proper engine temperature and prevent overheating.

Key Features:

  • Direct replacement for Westerbeke OEM impeller kits
  • Constructed from durable neoprene rubber for excellent wear resistance
  • Includes impeller, gaskets, and seals for complete installation
  • Precision-molded blades ensure optimal water flow and cooling efficiency
  • Meets or exceeds OEM specifications for fit and performance

Sierra International is a trusted name in marine engine parts, offering reliable replacement components for inboard and auxiliary engines. Regular impeller replacement is critical preventive maintenance—inspect annually and replace every 2-3 years or at first signs of wear to ensure dependable engine cooling.

Products specifications

Fits with

4.0 BCG(60Hz)/3.0 BCG(50Hz), 4.5 BCG(60Hz)/3.75 BCG(50Hz), 4.5 BCGB(60Hz)/3.75 BCGB(50Hz), 4.5 BCGTC(60Hz)/3.75 BCGTC(50Hz), 6.5 BCG(60Hz)/4.8 BCG(50Hz), 7.0 BCG(60Hz)/5.0 BCG(50Hz), 7.0 BCGA(60Hz)/5.0 BCGA(50Hz), 7.0 BCGB(60Hz)/6.0 BCGB(50Hz), 7.2 BCGTC(

Replaces

Westerbeke #32620

Thanks

Same part # at a better price. Fast delivery.

Took quite a bit longer then i'm used to process my order then other places i use. Also never sent me a shipping notice or tracking number, what i ordered just randomly showed up 2 weeks later.

your site was great thanks.

It was simple and fast I would have to say I'll be back in the future to get more parts

So far so good, and fairly easy to navigate?

My order was processed in less than 24 hours. I received the product within 48 hours of placing my order(this was without paying for accelerated shipping options). Thanks for the very quick turn around!

Part was correct and arrived on time

The website has been having problems. I have tried to sobmit an order about 3x, and either the website gets stalled with the blue steering wheel turning back and forth, or getting stuck on not providing the 'State' pull-down, or something. I finally got

Fast and easy checkout

A small hiccup in the shipping of the order but once a call was made my item was shipped the next day.

It's great

easy

Item arrived quickly and as described. Thanks

Quick, easy. I like the great price &amp; free shipping. Only problem is, the item is a black, diamond-plate METAL trailer box. It was packed simply in cardboard, no protective package around it either inside the box or around the item. That's it, ite

Thanks

Great

Best price for the optima battery I needed for my boat, I will definitely add this site to my favorites.

Great prices!

The shipping was fast, although I couldn't get it the first day because they require signature for delivery. I guess it's an added safety measure. Thank you! Will shop buy from again!

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