45 Deg Adapter Fitting #3 x 1/8 MPT

The 45 Deg Adapter Fitting #3 x 1/8 MPT from FRAGOLA is a precision hydraulic hose adapter designed for custom fuel, coolant, and brake line routing in high-performance automotive builds. This fitting bridges the gap between different line sizes and thread standards, allowing you to optimize flow paths and packaging in tight engine bays where factory routing won't work. Whether you're building a restomod, upgrading to braided stainless steel lines, or running a custom fuel system, this 45-degree angle adapter reduces stress on hoses and fittings by eliminating sharp bends.

FRAGOLA fittings are CNC-machined from aerospace-grade aluminum alloy and feature 1/8 MPT (male pipe thread) for leak-free performance under pressure. The #3 size (3/8-inch hose) to 1/8 MPT configuration allows seamless integration with standard NPT port blocks, gauges, and sensor bungs common in fuel injection systems and cooling circuits. The 45-degree angle positioning reduces turbulence, maintains consistent flow rates, and prevents hose kinking in congested engine compartments—critical when running lines near exhaust manifolds or turbo plumbing where every millimeter of clearance matters.

This adapter is ideal for custom fuel system builds, intercooler plumbing upgrades, and vintage muscle car restorations where modern braided line systems replace original rubber hoses. It pairs perfectly with #3 braided stainless or PTFE hose and works seamlessly with aftermarket fuel pressure regulators and cooling systems, making it a versatile choice for automotive enthusiasts.