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Sierra 18-8523 Exhaust Elbow Mounting Kit for Crusader Marine 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

18-8523
06/02/2036 3:09 AM
Sale Price

$83.83

In Stock (9)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-8523 is a premium exhaust elbow mounting kit designed specifically for Crusader marine engines. This comprehensive hardware kit provides all the necessary mounting components for secure installation of exhaust risers on GM small block V8 305-350 cubic inch engines and GM big block V8 454 cubic inch engines.

Key Features:

  • Complete mounting hardware kit for exhaust elbow/riser installation
  • Engineered for Crusader models including 220, 270, CM305, CM350XL, CM350HT, CH350, and 454XL
  • Designed for use with Sierra riser 18-1927 (4-inch riser)
  • Compatible with Sierra manifolds 18-1925, 18-1926, 18-1929, and 18-1933
  • Marine-grade materials for superior corrosion resistance
  • Replaces OEM Crusader 97772 and Mallory 9-40477

Sierra marine products are manufactured to meet or exceed OEM specifications and are built to withstand the demanding conditions of marine environments. This mounting kit ensures proper alignment and secure attachment of exhaust components, helping prevent leaks and maintaining optimal engine performance.

Good

Fast&amp; easy checkout, unfortunately no option for faster than ground shipping that I really need for this purchase. I will be vertu impressed if it gets sent out this morning &amp; to me tomorrow

Great so far!

Easy and quick

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Good.

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Good service

Wonderful....purchased a set of weight load scales and couldn't find them any cheaper that with Autoplicity....and we received them very timely. Ordered on 1/5 and received on 1/9.

Easy to order with the Amazon connectivity

Autoplicity was a great place to shop. By far the lowest price on the rack that I purchased. Fast shipping and overall very satisfied.<br><br>

Totally impressed with the headlights. Took 30 minutes to install with a perfect fit. Amazed that they even came with light bulbs pre-installed. Keep up the good work. Now I have to check for 5&quot; round halo lights for my wife's 1987 Jaguar.

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