400 Series Black Push Lock Hose -5AN 5/16 1 Metre Length

400 Series Black Push Lock Hose –5AN / 5/16, 1 Metre Length

Designed for quick, secure connections with push-on fittings, the 400 Series Black Push Lock Hose delivers dependable performance across fuel, oil, and coolant circuits. This 1 metre length version in black (also offered in blue) is sized for -5AN / 5/16 fittings and is compatible with 400 and 510 series hose ends for a clean, reliable installation in tight engine bays and performance builds.

Key features

• Push-lock design for fast, tool-free assembly with compatible 400/510 ends
• Length: 1 metre; Size: -5AN / 5/16
• Temperature range: -40°C to 100°C; Working pressure: 250 psi
• Suitable for fuel systems (including E85, E10), methanol, oils, lubricants, coolant systems, and low-pressure brake/clutch reservoir lines
• Color options: Black (this listing) and Blue

Compatibility & installation notes

• End compatibility: 400 & 510 series hose ends
• On oiling systems and all EFI fuel systems, clamps MUST be used to secure hose ends
• Not suitable for submersible applications using unleaded fuels
• Not for use with power steering or transmission & oil cooler lines
• Due to the use of unknown additives in some fuels, we are unable to guarantee our rubber hoses compatibility with all fuels unless otherwise stated
• We recommend Aeroflow's PTFE series hose for all other types of fuels

Why this hose suits your build

This 400 Series push-lock hose combines streamlined, tool-free assembly with robust performance in space-constrained installations. The -5AN sizing and 1 metre length make it ideal for short, high-integrity runs in fuel, coolant, and low-pressure fluid circuits, delivering reliable sealing and flexibility under temperature variations. If you’re working with EFI fuel systems or tight automotive applications, this hose offers a practical balance of ease of installation and dependable operation.