LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Evap hose sizes

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Old 10-25-20 | 10:32 PM
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Sin1UZFE's Avatar
Sin1UZFE
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Default Evap hose sizes

Anyone have a diagram or info on the size of all the evap hoses?

https://youtu.be/zwRVrViNh24
Ran across this video and got me thinking. I matched the sizes as best I could by eyeballing.
Old 10-27-20 | 02:46 PM
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Hello,

It is kind of an ambitious task to find diameters for all the hoses.. In general, there are two types of vacuum hoses in Toyotas - 3.5mm and 5.5mm. All 3.5mm hoses have a Part Number starting with 90999, and are sold by length. As for 5.5mm, I wasn't able to find P/N for those, since most of them are sold together with the equipment they are attached to. That said, you can still get a 7/32in hose at any parts store, which fits pretty snugly.

Hope this helps and best of luck!
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