400 Series Black Push Lock Hose -6AN 3/8 3 Metre Length
SKU: AF400-06-3MBLK
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400 Series Black Push Lock Hose -6AN (3/8") — 3 Metre Length
The 400 Series Black Push Lock Hose is engineered for fast, secure connections with our push-on fittings. Designed to endure automotive environments, this 3 metre length provides a clean, low-profile routing option for longer runs without unnecessary joins.
Key specifications
- End compatibility: suits 400 & 510 series hose ends
- Size: -6AN (3/8 inch)
- Length: 3 metres
- Color: black (also available in blue)
- Temperature range: -40°C to 100°C (-40°F to 212°F)
- Working pressure: 250 psi (17 bar)
What you can use it for
- Fuel systems, including E85, E10, and methanol blends
- Oils and lubricants
- Coolant systems
- Low-pressure brake and clutch reservoir lines
Important installation & compatibility notes
- 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 power steering or transmission & oil cooler lines
- Rubber hose compatibility with all fuels cannot be guaranteed due to unknown additives; Aeroflow recommends PTFE series hose for all other fuel types
- End compatibility confirmed for 400 & 510 series hose ends
Why choose this hose
Crafted for serious performance, the 400 Series Black Push Lock Hose combines a secure push-on connection with reliable temperature and pressure ratings, making it ideal for EFI upgrades and fuel system repairs. The 3 metre length minimizes joins on longer routes, while the -6AN sizing ensures compatibility with a wide range of AN fittings. The black finish provides a sleek, professional look for under-hood installs.
Usage scenarios
For enthusiasts performing fuel system upgrades, this hose offers a straightforward, dependable solution when linking EFI components or routing fuel lines in tight spaces. Pair it with 400 or 510 series hose ends to achieve a clean, efficient installation, and always secure with appropriate clamps in oiling and EFI applications.