My Account
Shopping Cart

Sierra 18-8524 Exhaust Manifold Mounting Kit for Crusader GM Big Block V8 454

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

18-8524
06/02/2036 3:09 AM
Sale Price

$30.24

In Stock (7)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-8524 Exhaust Manifold Mounting Kit provides all the essential hardware needed to properly install exhaust manifolds on Crusader marine engines. This complete mounting kit is specifically designed for GM big block V8 454 cubic inch engines in Crusader models CH350 and 454XL.

Key Features:

  • Complete mounting hardware kit for exhaust manifold installation
  • Designed for Crusader GM big block V8 454 CID engines (CH350 and 454XL models)
  • Includes exhaust manifold mounting gasket (18-0418) and lockwashers
  • Works with Sierra manifolds 18-1929 (starboard) and 18-1933 (port)
  • Meets or exceeds original equipment specifications
  • Simplifies installation with pre-assembled components

What's Included:

  • Exhaust manifold mounting gasket
  • Lockwashers
  • Mounting hardware

OEM Cross References:

  • Replaces Crusader 97992 and 97114 applications

This mounting kit ensures a proper, leak-free seal when installing or replacing exhaust manifolds on your Crusader inboard marine engine. Each component is engineered to meet original equipment standards for reliable performance in demanding marine environments. One kit is required per manifold.

Excellent

I need tracking

great

Very user friendly website.

Simple to execute. The order came unbelievably fast.

great

Found exactly what I was looking for!

Definitely the best price online by far! And the option to check out using Amazon is an added bonus. This will be my first stop for any future needs.

Cheapest place I found for High Performance Rotors. :)

Ordered MSD window switch. Best price on the internet and received package within 3 days of ordering. Great place to do business.

Fast shipment ! Can't wait for my new exhaust !

Easy ordering process!

Awesome customer service, fast shipping!

Ordered some special Axles which required Factory shipping. Order was processed efficiently, and axles were shipped from factory in 2 work days. Excellent service, good followup on the order. Definitely a good source for parts.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy