400 Series Black Push Lock Hose -6AN 3/8 1 Metre Length

400 Series Black Push Lock Hose -6AN 3/8, 1 Metre

The 400 Series Black Push Lock Hose is built for dependable, easy-to-install connections with push-on fittings. Designed to pair with 400 and 510 series hose ends, this hose is versatile enough to support a wide range of automotive fluid systems. Available in black (also offered in blue) to suit your engine bay aesthetics and organizational needs.

Key specifications

• Length: 1 metre
• Color options: Black (blue also available)
• Connection compatibility: uses -6AN 3/8 and suits 400 & 510 series hose ends
• Temperature range: -40°C to 100°C (-40°F to 212°F)
• Working pressure: 250 psi (17 bar)

What it’s designed for

Ideal for a variety of automotive fluid systems, including fuel lines and low-pressure reservoirs. It supports fuels compatible with E85, E10, methanol blends, oils, lubricants, coolant circuits, and low-pressure brake/clutch reservoir lines.

Installation and usage 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 use with power steering or transmission & oil cooler lines.
• Due to unknown additives in some fuels, rubber hose compatibility cannot be guaranteed for all fuels unless otherwise stated.
• For fuels outside the recommended scope, Aeroflow’s PTFE series hose is suggested.

Why choose this hose

• Quick-connect push-on design for faster installations with compatible 400 and 510 series hose ends
• 1 metre length offers flexible routing in tight engine bays
• Wide operating temperature and solid working pressure support typical automotive environments