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Sierra 18-3085 Water Pump Impeller for Chrysler Force Outboard Motor

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

18-3085
08/09/2036 9:46 AM
Sale Price

$45.23

4 left at this price

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3085 is a marine-grade water pump impeller engineered as a direct replacement for Chrysler, Force, and US Marine outboard motors. Manufactured by Sierra International, this impeller is built to meet or exceed the performance of the original equipment part it replaces, ensuring reliable engine cooling and long service life.

Sierra's replacement impellers are a trusted choice for marine technicians and boat owners alike. This impeller directly replaces OEM part number 47-F84065 (Chrysler/Force/US Marine), making it a straightforward drop-in solution during routine water pump service.

Key Features:

  • Durable, marine-grade construction designed to meet or exceed OEM specifications
  • Non-corrosive materials for lasting performance in saltwater and freshwater environments
  • 6-fin impeller design for efficient water flow and optimal engine cooling
  • Direct replacement — no modifications required for installation
  • Manufactured by Sierra International, a leading name in marine engine parts

OEM Cross-Reference:

  • Chrysler/Force/US Marine: 47-F84065

Regular impeller replacement is a critical part of outboard motor maintenance. Installing a quality replacement like the Sierra 18-3085 helps protect your engine from overheating and extends the life of your water pump system.

2nd time ordering best deal found here

Order arrived quick and was as described.

Great price for the item, almost half off. Good website for auto parts

Amazing. Ordered Thursday night and received item Saturday morning! Just as described.

Very quick and easy!!

I ordered a Thule 872XT 44" Fairing from them because they had the best deal on a new one and their shipping was fair. I live on Long Island N.Y. and got my order in 2 days! I did not expect the fast shipping but i am very thankful for it! I received an email when i paid, when my order shipped and then when my order was delivered to my door. I never heard of this online vendor until i was searching for the Thule but they had very positive reviews so i had little to lose. I will look to them first for future needs. A+!

Saved 50% from what the local parts stores were selling it for, even after shipping. Same exact product. I'll definitely be shopping here again. Thanks!

quick & easy

The site does not inspired confidence due to the current look and feel. However the delivery was fast and the issue with ordering was resolved in matter of days. The only down side was that on of the parts did not match the original part of my vehicle. As

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