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Old 09-20-2022, 10:37 PM   #1
DD Ranch
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Join Date: Oct 2010
Location: Tampa Bay, FL
Default HVAC tubing source?

The vacuum tube from the manifold back through the firewall to the heater box that controls the vents, has somehow shrunk on my 91 240. So I think it best I replace the whole length.

Local Hose and Hydraulics don't have tubing that small. Anyone know of a source or even the actual internal diameter. I know the ext dia is 5mm.

Florida Chapter VCOA
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Old 09-21-2022, 12:54 AM   #2
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Join Date: Dec 2013
Location: Launceston, Tasmana

That hose is p/n 943999.

OD is 6.5mm
ID is 2.5mm

Volvopartswebstore and some others have it listed as available.

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Old 09-21-2022, 07:13 AM   #3
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Join Date: Apr 2004
Location: Underhill, VT

Is this the plastic tube/hose? Belmetric has a few sizes of small polyamid tube, M2x4 and M3x5. One of those might work if you don't want to use the Volvo PN.
1993 245 DL - OEM+ Project
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