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YSIL 3/8″ Brass Compression Fitting Adapter

$9.99 on Amazon.com (as of October 12, 2026, 1:46 PM EST) View details ↗

A high-quality 3/8″ brass compression fitting adapter from YSIL, designed for seamless connections between 3/8″ OD tubing and 3/8″ hose barbs. Crafted from premium brass, this fitting delivers exceptional rust and corrosion resistance, ensuring long-term reliability in demanding applications—ideal for automotive fuel systems, hydraulic lines, or general fluid transfer setups.

The YSIL adapter features a universal replacement design, allowing you to swap out only the fitting (not the entire assembly) for cost-effective repairs. Its robust construction includes a sleeve and ferrule assembly to prevent leaks, while the hose barb end can be secured with a clamp for added sealing integrity. Installation is straightforward: Use a wrench to tighten the ferrule during assembly, ensuring a secure, leak-proof connection.

MaterialBrass
Size3/8″ tube OD to 3/8″ hose barb (10mm)
Package Contents1 piece
CompatibilityUniversal replacement for vehicle fuel systems, nylon tubing, and similar applic
Installation RequirementWrench required for ferrule tightening
Sealing MethodSleeve + ferrule + hose barb clamp
Can this fitting be used with non-automotive tubing (e.g., nylon)?
Yes, the YSIL adapter is designed for universal use with nylon tubing and other compatible materials, making it versatile for automotive and general fluid transfer applications.
Do I need to replace the entire assembly, or just this fitting?
Only the fitting itself needs replacement—this adapter is a direct swap for original vehicle connectors, saving time and cost.
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