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Sierra FS40910 409 Series 6-Circuit Marine Fuse Block with LED Indicators

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

FS40910
06/02/2036 5:34 PM
Sale Price

$39.94

In Stock (10+)

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 FS40910 is a professional-grade 6-circuit fuse block designed for marine and automotive electrical systems. This 409 Series fuse block features a common source configuration with a protective transparent cover, making it ideal for organizing and protecting multiple electrical circuits in boats, RVs, and vehicles.

Key Features:

  • Accepts fast-acting (AGC), time-delay (MDL), and 3AG glass fuses for versatile circuit protection
  • Built-in LED indicators for each circuit provide instant visual identification of blown fuses
  • Glass fiber reinforced PBT base delivers exceptional mechanical strength and long-term durability in harsh marine environments
  • Transparent protective cover with recessed labeling area for easy circuit identification
  • Integrated storage compartment holds 6 spare fuses for convenient replacements
  • Common source design simplifies wiring by sharing a single power input across all circuits

Technical Specifications:

  • Maximum Operating Voltage: 32VDC
  • Rating per Circuit: 30A
  • Cumulative Rating per Block: 100A
  • Terminal Screw Size: M4
  • Number of Circuits: 6

This fuse block provides reliable overcurrent protection with the convenience of tool-free fuse access and at-a-glance status monitoring. The rugged construction and corrosion-resistant materials make it well-suited for marine applications where reliability is critical.

Products specifications

Amps

100 Max

Description

w/Common Source & Cover

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