I had my Home Depot Braided hose going to my oil separator collapse and had to shove a coil spring in it to get by.
Now I ordered what I need to do it right.



12GMV MEGAVAC® HOSE

3/4" ID with 2 1/2" minimum bending radius, should work.

Will post pics when I get it installed

One vendor: www.motionindustries.com

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2006 Pearl Green CRD
Magnaflow 2 1/2" Cat Back
KJ Extra Leg Room Brackets, Carter Lift Pump, V6 Airbox, ORM
Fuel cooler, Oil Separator, Progard 7
Gauges EGT Boost Trans Temp Oil Pres, Michelin LXT AT2 245 70 R16
7,000# Draw Tight hitch, PML EX Deep Trans Pan
Centrifuge, SunCoast, Transgo, RAM TCM, InMotion Stage 2
Wife's 99 TDI VW Beetle

This has been brought up before. Do NOT use that see-thru hose you get at Home Depot! When hot, it collapses.
You can get this hydraulic suction hose at any hydraulic shop that makes hoses. Good Stuff.