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Sierra EC04500-100 Female Fully Insulated Quick Disconnects 16-14 AWG Blue 100-Pack

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

EC04500-100
09/10/2036 12:23 PM
Sale Price

$18.02

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Product Details

The Sierra EC04500-100 is a bulk pack of 100 fully insulated female quick disconnect terminals designed for reliable solderless wire terminations in marine, automotive, and powersports electrical systems. Rated for 16-14 AWG wire, these blue nylon-insulated connectors provide a fast, secure push-on connection to matching male spade terminals found on switches, relays, fuse blocks, and other electrical components.

The full nylon insulation sleeve protects each connection against short circuits, abrasion, and electrical isolation failure — critical in the demanding marine environment where vibration, moisture, and corrosion are constant concerns. The color-coded blue housing makes wire gauge identification fast and easy during installation.

Key Features:

  • Wire Gauge: 16-14 AWG
  • Gender: Female quick disconnect (accepts standard male spade terminals)
  • Insulation: Fully insulated nylon — protects against shorts and electrical contact
  • Color: Blue (industry-standard color code for 16-14 AWG)
  • Pack Quantity: 100 terminals per pack
  • Connection Type: Solderless crimp — installs with a standard insulated terminal crimper
  • Application: Marine, automotive, powersports, and industrial wiring

Also commonly referred to as push-on terminals or fast-on connectors, these quick disconnects allow components to be easily connected and disconnected without cutting or splicing wire. The 100-piece pack is ideal for bulk wiring projects, professional marine electrical installations, or keeping a well-stocked service shop.

Products specifications

Type

Connectors

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