Fuel hose size from tank to pump

[Ok here we go]

Does anyone know what the correct hose ID is from the tank to the fuel pump? I have both 3/8" and 1/2". The 3/8" is extremely difficult to fit onto the new fuel pump while the 1/2" seems to slip on all too easily. Please don't tell me it's something stupid like 7/16th. Thanks gang

[gomezoneill]

I believe the hose is metric in size.

[HaroldMHedge]

The 87-89 PET lists the hose as being ID 12 mm, OD 18.5 mm with length 90 mm. Part number 999-181-168-50.

[Ok here we go]

Thanks guys

[BoxsterGT]

I can help with your 911 Fuel Lines & Hoses if needed.

Len.Cummings at verizon.net