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Sierra 18-8109 Brass Hose Barb Male 5/16" x 3/8" NPT

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

18-8109
08/13/2036 8:32 PM
Sale Price

$7.01

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 18-8109 is a brass hose barb fitting designed with a male connection, featuring a 5/16" barb size and 3/8" NPT thread. This high-quality brass hose barb is ideal for 5/16" ID marine fuel hose applications, providing reliable performance in marine engine systems.

Key Features:

  • Durable brass construction for corrosion resistance in marine environments
  • 5/16" (7.9mm) barb size for secure hose connection
  • 3/8" (9.5mm) male NPT thread
  • Compatible with many fuel filter head assemblies that use 3/8" NPT fittings
  • Suitable for lubricant, coolant lines, pneumatic circuits, vacuum systems, and fuel lines
  • Interchangeable with Mallory 9-38021

Each Sierra product meets or exceeds the original equipment part it replaces, ensuring reliable performance and proper fit. Includes one hose barb per package.

Products specifications

Connector Type

Hose Barb - Male

Hose

5/16" Barb

Thread Size/Type

3/8" NPT

Good to shop with.

Found what looks like the parts I need easily. Hopefully everything matches up.

Will use Autoplicity in the future. Just dont fully belive the 24hour shipping. I ordered 2 parts that where listed as in stock and it still took 3 days to ship. When I called customer service about my order agents where rude and stated there shipping is based upon 24 "buisness" hours.

Free shipping and a great price.

Fast, easy checkout!

It is great and I love the prices!

I like the price and I like the product.the only issue was communication. I didn't receive information that it was shipped until after I received it. The process was still done quickly and I got the product in no time at all.

WILL BE DETERMINED ON FILL RATE

Very good product, the green caliper paint is great.

Easy shopping experience.

Need it quick as possible please need it for my license. Thanks y'all are the cheapest auto part store around.

Ordered on the 4th, Paid for basic shipping, got it on the 6th. Hard to complain with those shipping times. The only problem I had was I didn't get any confirmation of shipping till the day it arrived at my house. Other then that, I would buy from them again!

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