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Sierra 18-3248 Water Pump Impeller for Honda Outboard Engines

Manufacturer

Sierra

<h3>Sierra: Six Decades of Marine Aftermarket Excellence</h3><p><strong>Sierra</strong> has spent nearly 60 years earning its reputation as one of the most trusted names in the marine aftermarket industry. Originally focused on engine and drive components for boats, the brand has grown into a comprehensive source for nearly everything a boater needs to keep their vessel running at its best — from precision instrumentation to complete engine rebuild hardware.</p><p>Now operating as a brand of Dometic, Sierra manages global aftermarket distribution from a 300,000 sq. ft. facility in Litchfield, Illinois. The Sierra brand today encompasses not only its flagship marine parts line but also well-established marine names like Shields and Moeller, offering boaters a broader catalog than ever before. Whether you own an outboard, inboard, or sterndrive, Sierra's engineering team designs products to meet or exceed OEM specifications.</p><h3>Precision Instrumentation You Can Trust on the Water</h3><p>One of Sierra's most recognized product areas is its marine instrumentation lineup. The brand's <a href="/7570-sierra-gauge-set-1480">gauge sets</a> cover everything from classic analog instrument clusters to advanced digital multi-function displays. Sierra offers packages suited to outboards, sterndrives, and gasoline-powered inboards, with options ranging from coordinated analog kits in styles like Arctic, Eclipse, and Amega to modern touchscreen solutions like the R3 multi-function gauge. Features such as scratch-resistant domed glass lenses, silicone-dampened pointers, and perimeter backlighting make these instruments highly readable in all conditions.</p><p>Behind every accurate gauge reading is a properly calibrated sending circuit. Sierra's <a href="/7570-sierra-gauge-resistor-47908">gauge resistors</a> are a critical part of that chain, ensuring the signals from sensors and sending units are correctly interpreted by your instruments. These components are built to marine-grade standards to resist moisture, vibration, and corrosion — the realities of life on the water.</p><h3>Engine Internals Built to OEM Standards</h3><p>Sierra's history in marine power is perhaps best demonstrated by its deep catalog of engine components. The brand's <a href="/7570-sierra-engine-gasket-set-5404">engine gasket sets</a> cover a wide range of outboard and inboard applications and are engineered to deliver reliable seals in the demanding thermal and chemical environment of a marine engine. For boaters performing seasonal overhauls, top-end rebuilds, or full engine restorations, Sierra gasket kits are a go-to resource trusted by professional marine technicians and DIY boaters alike.</p><h3>A Complete Marine Parts Partner</h3><p>Beyond instrumentation and engine internals, Sierra's catalog spans fuel systems, electrical supplies, steering components, shore power, and more — all covered by what the brand calls an industry-leading warranty. Sierra also maintains a comprehensive parts-finder tool that enables cross-referencing with OEM part numbers from major manufacturers including Mercury, Yamaha, Suzuki, Volvo Penta, and others, making it straightforward to find the right replacement part for virtually any application.</p>

Part Number

18-3248
09/12/2036 10:04 AM
Sale Price

$22.54

In Stock (6)

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Usually delivered within 2 days

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Product Details

The Sierra 18-3248 is a replacement water pump impeller designed specifically for Honda outboard engines. This critical cooling system component ensures proper water circulation through the engine to prevent overheating and maintain optimal operating temperatures.

Key Features:

  • Direct replacement impeller for Honda outboard motors
  • Single impeller design for reliable water flow
  • Compatible with Sierra 18-3282 water pump service kit
  • Manufactured to OEM specifications for proper fit and performance
  • Essential maintenance component for outboard cooling systems

Regular impeller replacement is crucial for maintaining your outboard engine's cooling system. Impellers should be inspected annually and replaced every 2-3 years or sooner if signs of wear are detected. A damaged or worn impeller can lead to engine overheating and costly repairs.

Application: Designed for use with Honda outboard engines. For complete water pump rebuild, use with Sierra 18-3282 water pump service kit (sold separately).

Products specifications

Replaces

19210-ZV5-003, For: 35, 40, 45, 50 HP

Great prices. Fast shipping I will order more stuff in the future from here thanks

Fast good prices.

Ordered some parts the other day and was impressed, will see if it was a fluke.

Good so far

fast shipment and was exactly what i had ordered

looking forward to receiving my order!

Quick

Great price!!! They had the lowest price out of 7 other websites i have been to!!!.

Very easy shopping process

It was good

Unbeliveable customer service and super fast shipping. I had a question about my order and I was able to use the online chat function to instantly connect with a customer service agent that was quick to answer all my questions regarding my order. I am very pleased with the level of service I received not to mention the great price they offered on the item I purchased. I will be sure to continue doing business with Autoplicity for my automotive needs. Thanks so much. A+

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