A question of diameter

[That Ruddy Squirrel]

Help,

I have a fuel heater but it's got the wrong connectors on it, it's come with 6mm pipe connectors, what diameter do I need (9 or 13mm) for a 2nd Gen 3.0 litre ?

[That Ruddy Squirrel]

anyone ?

[Gamedawn]

I think the fuel pipe is 10mm bore so 9 should be close enough.