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Sierra FS84200 Marine Battery Fuse Holder 175A with Ignition Protection

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

FS84200
09/12/2036 6:32 AM
Sale Price

$19.92

In Stock (10+)

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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 FS84200 is a marine-rated battery fuse holder designed to mount directly onto the positive battery stud, providing critical circuit protection at the power source. This 175-amp fuse holder is engineered specifically for harsh marine environments where vibration, moisture, and space constraints are constant challenges.

Key Features:

  • Ignition protected when used with Sierra MRBF fuses for safe marine installations
  • Bolt-down design withstands high-vibration marine applications
  • Standard isolated M8 stud design allows stacking of multiple terminals
  • Protective insulating cap prevents accidental shorts and contact with live terminals
  • Compact footprint ideal for tight engine compartments and battery boxes
  • Clear fuse window provides easy visual fault indication
  • 300A maximum amperage capacity for high-current applications
  • Meets ABYC requirements for DC main circuit protection on large battery banks with high-interrupt rating

Applications: Perfect for protecting DC main circuits, bow thrusters, inverters, windlass systems, and other high-current marine electrical systems. The white housing provides easy identification in battery compartments.

Accepts Sierra MRBF-style fuses (sold separately). Rated for 175A continuous operation with 300A maximum capacity.

Products specifications

Amps

175

Color

White

Quick and easy

all good

I personally had zero issues with the company fast response to my questions and my item was processed and shipped really fast, will buy more from this company in the future. Thank you THMOTORSPORTS

Easy to use website and easy checkout

Quick easy and in stock hope the delivery is as well.

Quick and easy

Competitive prices for some products

Good

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