45 Male Elbow #4 To 1/4 Npt Steel Fitting

The 45 Male Elbow #4 To 1/4 NPT Steel Fitting (AEROQUIP FCM2584) is a critical adapter for high-pressure hydraulic and fuel system applications where space is limited or angular routing is required. This elbow fitting allows mechanics and fabricators to redirect AN-standard hoses at a 45-degree angle, making it essential for custom engine bay layouts, fuel injection systems, and transmission cooler lines. Whether you're building a performance fuel system, installing a remote oil filter adapter, or routing brake lines in a tight engine compartment, this fitting ensures proper flow direction without kinking or sharp bends that compromise system integrity.

Manufactured from robust steel with zinc oxide plating, the 45 Male Elbow features a #4 AN male connection on one end and a 1/4 inch NPT male port on the other, providing a reliable interface between metric AN hose fittings and standard threaded components. The 45-degree angle geometry is precisely machined to minimize turbulence and pressure loss while allowing smooth transitions in confined spaces. Zinc oxide plating provides corrosion resistance critical for fuel and coolant systems exposed to moisture and chemical degradation. The compact 2.35 x 1.1 x 3.7 inch footprint makes this fitting ideal for custom-fabricated systems where space constraints demand efficient routing.

Professional mechanics and performance enthusiasts rely on this adapter when upgrading fuel systems, installing aftermarket coolers, or consolidating multiple hoses into a single manifold block. The #4 AN to 1/4 NPT configuration bridges modern AN-standard hose systems with legacy or OEM threaded ports, making it invaluable during engine swaps or system modernization. Proper thread sealant (PTFE tape or anaerobic sealant) on the NPT port ensures leak-free operation under boost or high-pressure conditions. AEROQUIP's reputation for precision ensures consistent thread quality and reliable sealing for critical fuel and hydraulic applications.