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Sierra 18-3081 Impeller Kit for Volvo Penta 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

18-3081
07/11/2036 9:21 PM
Sale Price

$25.93

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 18-3081 is a complete neoprene impeller kit designed for Volvo Penta marine engines. This replacement kit ensures reliable cooling system performance by maintaining proper water flow through your engine's cooling circuit.

Key Features:

  • Durable neoprene construction resists wear and provides excellent sealing
  • Complete kit includes impeller, gasket, and O-ring for professional installation
  • Designed to work with Sierra 18-3586-1 water pump housing
  • Direct replacement for Volvo Penta OEM impeller kits
  • Single impeller configuration for standard cooling applications

Regular impeller replacement is critical for preventing engine overheating and costly repairs. Neoprene impellers are ideal for freshwater applications and provide reliable service in standard operating conditions. This kit contains everything needed for a complete impeller service, ensuring proper sealing and optimal cooling system performance.

Products specifications

Description

12 Spline(12 Fin)

Replaces

Jabsco: 12100001, 12100003. <return/> Volvo: 875811-2, 3858256, 3862281<return/>OMC: 3858256 Johnson Pump: 09-1027B, 09-1027B-9

Thank you

This is my first time doing Autoplicty. My experience was over all great and I fast service. I will use them again for sure.

Good

good

Good price

Need a better description of product.

Fast service good price

Thank you

Pretty good

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Low prices and super fast shipping.

Quick and Easy

Grate

Best price online. Ordered late Friday got it early Tuesday. Got the delivery confermation email 5 minutes after fedex droped it off. This seller is the best. Fast service all around the best. 110%+ Will definitely buy from again. I'm very happy.

Good

Fast , Smooth transaction

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Easy to order

Fantastic prices and fast shipping!! Looks like I'm done with Jeg's and Summit!!

awesome

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