Aeroquip FCM3724 O-Ring Boss Plug Hydraulic Fitting

Aeroquip

<h3>About Aeroquip: A Legacy of Fluid Transfer Innovation</h3><p><strong>Aeroquip</strong> has been a cornerstone of fluid conveyance engineering since its founding in 1940. <a href="/21-aeroquip">The brand was established in Jackson, Michigan</a> by an aeronautical engineer who held the original patent rights for detachable reusable hose fittings and self-sealing couplings — technologies that were revolutionary for the aviation industry and quickly found their way into automotive and industrial applications. That spirit of purposeful engineering has defined Aeroquip ever since.</p><p>Today, Aeroquip operates under the Eaton umbrella and continues to serve demanding applications in aerospace, motorsport, and heavy industry. The brand's product catalog spans <a href="/21-aeroquip-fuel-hose-fitting-17252">fuel hose fittings</a>, <a href="/21-aeroquip-fuel-hose-6352">performance fuel hose</a>, <a href="/21-aeroquip-engine-oil-drain-plug-assembly-12886">engine oil drain plug assemblies</a>, adapters, couplings, and a wide range of fluid connectors engineered for every pressure range — from low-pressure service lines to high-pressure hydraulic systems.</p><h3>Engineering for Extreme Conditions</h3><p>What sets Aeroquip apart is its commitment to building products that perform reliably under the harshest conditions. Their hoses and fittings are engineered to meet demanding specifications for pressure, temperature, and abrasion resistance — qualities that matter whether you're running a weekend road car, a dedicated race build, or maintaining a commercial fleet. Aeroquip offers product lines in rubber, PTFE, and Kevlar-reinforced constructions, with both reusable and crimp-style fitting options to suit different installation needs and application environments.</p><p>For performance enthusiasts, Aeroquip's AQP socketless fittings and hoses are a popular choice, offering a lighter-weight, tool-friendly assembly method without sacrificing durability. Their PTFE-lined hoses are favored for fuel, brake, and hydraulic systems where chemical compatibility and a clean fluid path are essential. The breadth of the lineup means a builder can plumb virtually every system on a high-performance vehicle — fuel, oil, cooling, brakes, and more — using a single trusted brand.</p><h3>From the Racetrack to the Service Bay</h3><p>Aeroquip's reputation extends well beyond the racetrack. Their <a href="/21-aeroquip-engine-oil-drain-plug-assembly-12886">quick-drain oil drain plug assemblies</a> are a practical favorite in shop environments, offering a clean, spill-free alternative to traditional drain plugs for routine oil changes. The double-seal construction and full-flow design make them a smart upgrade for enthusiasts and professional technicians alike. Meanwhile, the brand's <a href="/21-aeroquip-fuel-hose-6352">fuel hose</a> offerings — available in multiple AN sizes and construction types — deliver the flow characteristics and chemical resistance that high-performance fuel systems demand.</p><p>With a global manufacturing footprint and decades of innovation backed by Eaton's engineering resources, Aeroquip remains one of the most respected names in fluid transfer for automotive, marine, and industrial applications. Whether you're building a race car, maintaining a fleet, or upgrading a street machine, Aeroquip components deliver the reliability that demanding applications require.</p>