My Account
Shopping Cart

Sierra SP21000 Weather Resistant 4-Gang Breaker Panel with LED Switches

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

SP21000
06/21/2036 11:30 AM
Sale Price

$146.11

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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 SP21000 is a premium weather-resistant breaker panel designed for marine and outdoor applications. This 4-gang panel features a curved base design that provides a modern, stylish appearance while delivering professional-grade electrical control for your vessel or outdoor installation.

Key Features:

  • Four Contura rocker switches with integrated circuit breakers for reliable overcurrent protection
  • IP66 waterproof rating ensures reliable operation in harsh marine environments
  • LED illuminated rocker switches with backlit labels for easy readability in low-light conditions
  • Push-to-reset circuit breakers with protective weather boots
  • Compatible with both 12V and 24V DC electrical systems
  • Watertight mounting gasket included for secure, leak-free installation
  • Versatile mounting options - install vertically or horizontally
  • Engineered for open cockpit and flybridge applications

This breaker panel combines robust circuit protection with convenient switching in a single, space-saving unit. The weather-resistant construction and IP66 rating make it ideal for exposed marine installations where protection from water intrusion is critical.

Products specifications

Size

5.25" W x 3" D x 4.5" H

Great! Fou de what i was looking for

Easy to use site and cart. Product showed up quickly and was packaged accordingly, seems to be a quality part. hopefully it lasts over 1 year. time will tell on quality. Happy with the experience

great

Easy to locate parts

Best prices and shipping....Will use this seller again..........

Easy to find what I was looking for. Easy to order.

Ordering. Was easy.

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