VW bus vacuum hose guide
For the '74-'79 fuel-injected Bay Window bus (T2b)
Vacuum hose identification
No. |
Part No. |
Description |
Inside diameter |
Outside diameter |
Length |
Material |
Notes |
1 |
n/a |
Hose (brake booster) |
— |
13 mm |
— |
Hard tubing, black |
— |
2 |
022 133 083 D |
Elbow |
— |
— |
— |
— |
— |
3 |
071 133 086 |
Hose (decel valve to brake booster) |
13 mm |
15 mm |
250 mm |
Hard tubing, transparent, vinyl |
Vanagon part number, but same hose |
4 |
N 90402301 |
Hose (decel valve to brake booster) |
14 mm |
19 mm |
65 mm |
Braided rubber |
In some fiches the outside diameter is 18 mm |
5 |
022 201 919 |
Molded hose (decel valve to S-boot) |
19 mm |
24.5 mm |
370 mm |
Braided rubber |
|
6 |
022 133 215 A |
Y-piece |
— |
— |
— |
— |
|
7 |
N 0202903 |
Hose (S-boot to aux. air regulator) braided |
12 mm |
19 mm |
210 mm |
Braided rubber |
|
8 |
N 10123801 |
Hose (intake manifold to aux.air regulator) |
13 mm |
20 mm |
— |
Braided rubber |
|
9 |
022 129 637 |
Elbow |
12 mm |
16 mm |
47 mm |
Rubber |
90° elbow |
9a |
n/a |
Intermediate piece |
n/a |
13 mm |
30 mm |
Steel |
Not in the picture |
10 |
N 10098001 |
Clamp |
n/a |
n/a |
n/a |
n/a |
18.5 x 7 x 0.60 |
11 |
N 0245223 |
Clamp |
n/a |
n/a |
n/a |
n/a |
60-80 x 9 x 0.50 |
12 |
029 129 967 AC |
Hose (S-boot) |
n/a |
n/a |
n/a |
|
|
13 |
025 133 199 |
Intermediate piece |
TBD |
22 mm |
38 mm |
Steel or nylon |
More info |
14 |
022 129 973 C |
Hose (crankcase breather) |
21 mm |
26 mm |
350mm |
Braided rubber |
|
15 |
039 133 241 |
Connecting hose |
— |
— |
— |
— |
|
16 |
022 129 707 F |
Seal |
— |
— |
— |
— |
|
17 |
311 133 261 A |
Injector locator bush (inner) |
— |
— |
— |
— |
|
Vacuum control hose identification
No. |
Part No. |
Description |
Inside diameter |
Outside diameter |
Length |
Material |
Notes |
- |
N 020 291 1 |
Hose connector |
3.5 mm |
5.5 mm |
40 mm |
Braided rubber hose |
Alternative: N 0203122, 4x1.75 rubber hose |
1 |
" |
" |
" |
" |
40 mm |
" |
" |
2 |
" |
" |
" |
" |
120 mm |
" |
" |
3 |
113 201 943 B |
T.piece |
- |
4 mm |
- |
- |
- |
4 |
N 0201391 |
Ported vacuum tube |
2 mm |
4 mm |
Variable |
n/a |
|
5 |
7M0 955 961 B |
Manifold vacuum tube |
3 mm |
5 mm |
Variable |
PA 6 nylon (hard tubing, white) |
Alternative: 867 955 961 A is the same part, just different length |
Vacuum control hose routing