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Sierra 18-3117 Impeller Wear Plate for Mercury Marine 32435

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

18-3117
08/04/2036 9:13 PM
Sale Price

$8.38

1 left at this price

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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 18-3117 Impeller Wear Plate is a high-quality replacement water pump component designed to meet or exceed original equipment specifications for Mercury Marine and MerCruiser stern drive applications. This front wear plate works in conjunction with the floating impeller to maintain optimal raw water pump performance and cooling system efficiency.

Key Features:

  • Abrasion-resistant construction for long-lasting durability
  • Front wear plate design with floating impeller compatibility for maximum abrasion resistance
  • Meets or exceeds OEM quality standards
  • Direct replacement for Mercury Marine OEM part number 32435

OEM & Cross-Reference Part Numbers:

  • Mercury Marine: 32435, 324351, 30605, 32435B, 8M0204677
  • MerCruiser Stern Drive: 32435
  • GLM: 12510
  • Mallory: 9-43400
  • AP: AP030

The Sierra 18-3117 is a single wear plate (sold individually) intended for #1 Units through serial number D494568. UPC: 808282258726.

Took some doing but i did get to place my order.

Awesome so far

Great smooth transaction. Tracking number provided. Would not hesitate using them again.

Fast and easy

Website was easy to use and like that I could use my amazon account to checkout.

easy shopping.

Thank you for the quick turnaround from order to shipping the products I ordered

Everything was great just the returning could use help. The first ine i ordered was wrong and shipping back to you is more costly than i hoped.

Easy shopping

Shipping was expensive for such a small part

easy to find product best price around

Hi - I just want to say what a great job your customer service person - Rob Fratu did for me. I purchased a set of Mickey Thompson Indy tires thru Autoplicity's internet site. To my misfortune; the tires were out-of date (manuf. in 2005)when they were shipped from the warehouse. One of the tires immediately began to split around the outerside wall once it was mounted. I emailed pictures to Rob ; and he took care of the entire situation and got 100% of my purchase refunded to me.<br>I want to thank Rob for all his assistance and for Autoplicity for taking care of the customer and standing behind their business!! I must admit - I was a little worried and expected the worst? thanks again - best regards - Willis Hiscock

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