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Sierra 23-3314 Water Pump Impeller Kit for Kohler Marine Generators

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

23-3314
06/01/2036 8:11 AM
Sale Price

$37.59

In Stock (10+)

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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 23-3314 is a high-quality replacement water pump impeller kit designed specifically for Kohler marine generators. This essential cooling system component ensures proper engine temperature regulation and reliable generator performance in marine environments.

Kit Includes:

  • Neoprene impeller with brass insert for durability
  • Nitrile O-ring seal for leak-free operation

Specifications:

  • 6-blade impeller design for efficient water flow
  • Impeller diameter: 1-9/16 inches (40mm)
  • Impeller width: 3/4 inch (19mm)
  • Shaft diameter: 7/16 inch with D-slot drive
  • Material: Neoprene impeller body with brass insert

Replaces OEM Part Numbers:

  • Kohler 359978
  • Sherwood 8000K
  • Onan 132-0415

Compatible Applications: Fits Kohler generator models 4EF, 4EFCD, 4EFKD, 5E, 5ECD, 5EKD, 6EF, 6EFCD, 6EFKD, 7.3E, 7.3ECD, 7.5, 8EFK, and other select models using pump GM28487.

Sierra is a trusted name in marine replacement parts with over 50 years of experience. This impeller kit meets or exceeds OEM specifications and is engineered to withstand the demanding marine environment. Regular impeller replacement is critical for maintaining proper cooling system function and preventing costly generator damage.

Products specifications

Fits with

Kohler Pump GM28487; Fits Models 4EF, 5E, 6EF, 7.3E, 4 EFCD, 5 ECD, 6 EFCD, 7.3 ECD,

Replaces

Kohler 359978

For what I purchased I am well satisfied. Although I did not receive any e-mails other than the conformation one and now this one. I just did not know when they would arrive. When I called to ask I was told that they have shipped and I would get a e-mail with tracking info, and I did not. But I am satisfied none the less. So thank you.

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I've been looking for this item to protect my Dixon high pressure gauge and hope it fit.

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