For the '74-'79 fuel-injected Bay Window bus (Type 2)
Vacuum hose identification
No.Part No.DescriptionInside diameterOutside diameterLengthMaterialNotes1n/aHose
(brake booster)---13 mm---Hard tubing, black---2022 133 083 DElbow------------
---3071 133 086Hose (decel valve to brake booster)13 mm15 mm250 mmHard tubing,
transparent, vinylVanagon part number, but same