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Sierra FS81080 Maxi Fuse Block 30-80 Amp Marine

Manufacturer

Sierra

<h3>About Sierra Marine Parts</h3><p>With more than 58 years of experience in the marine aftermarket industry, <strong>Sierra</strong> has earned its reputation as one of the most trusted names in boat engine components and marine supplies worldwide. From weekend anglers to commercial vessel operators, boaters rely on Sierra for dependable, precision-engineered parts that keep engines running at their best — whether they're heading out on a freshwater lake or battling open-ocean conditions.</p><p>Sierra's extensive catalog covers virtually every aspect of marine engine maintenance and repair. The brand is perhaps best known for its industry-leading line of <a href="/7570-sierra-gauges-200483">marine gauges</a>, offering accurate, durable instrumentation for monitoring critical engine parameters like speed, fuel level, oil pressure, and water temperature. Reliable gauges are the eyes of any vessel's helm, and Sierra's instruments are engineered to perform in the demanding marine environment where moisture, vibration, and saltwater exposure are constant challenges.</p><p>Keeping a marine engine healthy starts with proper lubrication, and Sierra's <a href="/7570-sierra-engine-oil-12138">marine engine oil</a> is formulated specifically for the unique demands of inboard and outboard powerplants. Marine engines operate under load profiles and cooling conditions very different from automotive applications, making purpose-built marine oil an essential part of any maintenance routine.</p><p>Sierra's breadth of <a href="/7570-sierra-engine-parts-accessories-200373">engine parts and accessories</a> makes it a go-to source for mechanics and DIY boaters alike. From water pumps and thermostats to belts, filters, and ignition components, Sierra produces OEM-quality replacements designed to fit a wide range of popular marine engine brands — helping boaters avoid costly dealer markups without sacrificing reliability.</p><p>One of the more specialized areas of Sierra's catalog is its lineup of <a href="/200133-manifoldsriserselbows-sierra-7570">manifolds, risers, and elbows</a> — critical exhaust cooling components on sterndrive and inboard engines. These parts are subjected to extreme heat and constant water flow, making quality and correct fitment absolutely essential for safe operation. Sierra manufactures these components to exacting standards to help prevent the kind of catastrophic failures that can result from worn or corroded exhaust hardware.</p><p>Rounding out Sierra's core fuel system offerings is a comprehensive selection of <a href="/7570-sierra-fuel-pumps-201310">marine fuel pumps</a>, designed to deliver consistent, reliable fuel delivery across a wide range of inboard and outboard applications. A failing fuel pump can leave a boat stranded far from shore, making preventive replacement with a quality Sierra component a smart choice for any boater.</p><p>In 2022, the Sierra brand expanded its footprint even further, incorporating well-established marine lines such as Shields and Moeller into a comprehensive aftermarket boating portfolio. Today, Sierra continues to innovate and grow its catalog, serving both marine and land-based applications with the same commitment to quality that has defined the brand for nearly six decades.</p>

Part Number

FS81080
09/21/2036 6:12 PM
Sale Price

$23.66

2 left at this price

delivery box

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 FS81080 is a heavy-duty marine fuse block designed to accommodate Maxi™ blade-style fuses rated from 30 to 80 amps. Built for demanding marine electrical systems, this fuse block provides reliable overcurrent protection for high-amperage circuits in boats and other marine applications.

Key Features:

  • Constructed from black reinforced polycarbonate for superior durability and resistance to marine environments
  • Compatible with Maxi™ blade fuses rated 30-80 amps
  • Snap-on safety cover fully insulates conductive parts when closed
  • Accepts 18 AWG through 4 AWG wire gauge from sides or bottom for flexible installation
  • Rated for maximum 32 VDC electrical systems
  • Meets ABYC (American Boat and Yacht Council) and USCG (U.S. Coast Guard) safety requirements
  • Complies with SAE J1171 standards for automotive and marine fuse blocks

This fuse block provides a professional, code-compliant solution for protecting high-current circuits such as windlasses, thrusters, inverters, and other power-hungry marine equipment. The reinforced construction and multiple wire entry points make installation straightforward while ensuring long-term reliability in harsh saltwater conditions.

Products specifications

Type

Fuse Blocks

Good

it was good

Hope the part is good as the shopping experience.

Same price as other vendors but better shipping.

not enough detail in the first screens.

BEFORE RECEIVING: I ordered because several other reviews commented on fast delivery and great service. I hope so! I need my car fixed soon. Great prices was also a factor. Website was easily navigatable. AFTER RECEIVING: Ordered on September 1st. I never received an email saying my order had processed. After waiting 5 days, I called to see why I had received nothing, other than seeing the money taken from my bank account upon ordering 5 days prior. I asked to simply have the order cancelled and the money put back into my account (at this point I was overly willing to pay the extra $10 at my local Parts Store to have my car running, as it had now been down over a week!). He just said &quot;I can check into it, but I cannot guarantee that I can cancel your order.&quot; I would have thought that perhaps the guy who was going to &quot;check into cancelling my order&quot; might have possibly noticed on his computer that the part had actually shipped from California on September 3rd (as I found out after it was delivered). He never once told me it had shipped, and I still never received anything from them stating it had processed or shipped. On day 8, my part showed up! Seriously, ten minutes AFTER it was delivered, I received an email saying it was SHIPPED. What the...?? I totally understand &quot;under-promise and over-deliver&quot;, but leaving me in the dark for over a week and then letting me know it was indeed shipped AFTER I received it is NOT &quot;over-delivering&quot;! Their price was definitely the lowest, but I'm not sure I would like to go through this headache again for their low prices. The older I get, the more I realize TIME is way more precious than money! I can always go make more money. :-)

Have what I needed n as easy as 1-2-3

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