Reservoir brake servo — Mk1 Golf Brake (1981)

Factory title: Volkswagen Golf (1981) - Brake master cylinder

Generation: Mk1 1981 (RDW) Group: Brake Rebuild step 10 Parts: 44 Primary OEM: 321 611 301 J, 532 721 731 A, B 000 750 M3

Reservoir brake servo for the Volkswagen Golf Mk1 (1981): factory exploded diagram 110000 from the Volkswagen ETKA parts catalogue, group 20 Brake, listing 43 OEM part numbers across 44 catalogued positions including 321 611 301 J, 532 721 731 A and B 000 750 M3. Published by Type 19 Specialists; the complete Mk1 Golf catalogue is in print as the Mk1 Golf Master Parts Catalogue.

Parts on this diagram

This Mk1 Golf plate lists 43 OEM part numbers across 44 numbered positions.

Exploded view from the factory parts catalogue. Click a row in the parts table to highlight its position on this diagram. Click any position on the diagram to scroll to its row.
№ Description Part number
(2)
Reservoir forbrake fluidfor models with brakeservo
 321 611 301 J
(20)
bracket forbrake servo SCIR 0 CC 0
 532 721 731 A
(24)
brake fluid
 B 000 750 M3
(24)
brake fluid
 B 000 750 M9
(24)
brake fluid
 B 000 750 M7
(24)
brake fluid
 B 000 750 M6
(26)
brake fluid
 B 000 600 A6
(26)
brake fluid
 B 000 700 A6
(26)
brake fluid
 B 000 600 A3
(26)
brake fluid
 B 000 700 A3
(5)
cap forreservoir with fluidlevel senderfor models withbrake warning light 43,5 MM
43,5 MM
 443 611 349 A
(8)
Brake servo F 1.-B-000 001>>F >> 53-B-003 140 F 53-B-003 141>> 9" ATE K-JETRONIC:GOLF-/JETTA-GOLF-CABRIO,K-JETRONIC:SCIROCCO,K-JETRONIC,carburetorengine:SCIROCCO.
9" ATE
 171 612 107 G
(8)
Brake servo 1.6/1.7 ltr.F 1.-B-000 001>>F 15-B-000 001>>F >> 53-B-003 140 F 53-B-003 141>> 8" ATE DIESEL:CRDIESEL:CR,K-JETRONIC:GOLF/JETTAK-JETRONIC:GOLF-CABRIO,K-JETRONIC:SCIROCCOK-JETRONIC,carburetorengine:SCIROCCO.
8" ATE
 172 612 107 C
(8)
Brake servo F 1.-B-000 001>>F 15-B-000 001>>F >> 53-B-003 140 F 53-B-003 141>> 7" ATE DIESEL:CR;carburetorengine:GOLF,JETTAcarburetorengine:GOLF CABRIO.carburetorengine:SCIROCCOcarburetorengine:SCIROCCO.
7" ATE
 172 612 107 B
(9)
clevis
 172 721 295
1
gasket betweenbrake servo andbraketandem master cylinder
 211 611 243
1
gasket betweenbrake servo andbraketandem master cylinder 41,5 X 2,5
41,5 X 2,5
 357 611 243
10
Hexagon nut M 10
M 10
 N 011 134 5
11
Protective sleevefor models with brakeservo
 171 612 161 A
12
Support GOLF,JETTA
 171 803 109 A
13
Washer 8,4 X 15 X 1,6
8,4 X 15 X 1,6
 N 011 558 11
14
spring ring 8
8
 N 012 038 7
14
spring ring 8
8
 N 012 038 8
15
Hexagon bolt M 8 X 12
M 8 X 12
 N 010 237 6
16
Seal
 861 612 175
17
bracket forbrake servo
 171 612 205 B
18
Spring washer 17 X 8,4 X 2
17 X 8,4 X 2
 171 612 217
19
Hexagon nut M 8
M 8
 N 011 008 8
2
Reservoir forbrake fluid
 867 611 301 B
20
bracket forbrake servo GOLF,JETTA,GOLF-CABRIO.
 172 721 731 A
21
Washer 8,4 X 15 X 1,6
8,4 X 15 X 1,6
 N 011 558 11
22
hexagon nut, self-locking M 8
M 8
 N 022 146 4
23
No longer available
 —
24
brake fluid
 B 000 750 M1
24
brake fluid
 B 000 600 A1
24
brake fluid
 B 000 700 A1
3
seal ring
 893 611 347
4
cap forexpansion tank
 191 611 349 A
5
End capfor models withbrake warning light 53,5 MM
53,5 MM
 1H1 611 349
5
End capfor models withbrake warning light 54,5 MM
54,5 MM
 171 611 349 A
6
Flat contact housing
 443 906 231
7
Protective cap
 447 919 141
8
Brake servo F 1.-B-000 001>>F 15-B-000 001>>F >> 53-B-003 140 F 53-B-003 141>> 7"/178 MM DIESEL:CR;carburetorengine:GOLF,JETTAcarburetorengine:GOLF CABBRIOcarburetorengine:SCIROCCOcarburetorengine:SCIROCCO
7"/178 MM
 811 612 107 A
9
clevis 10 X 31
10 X 31
 N 900 125 01

From the Type 19 workshop

Volkswagen Golf Mk1 work in the Type 19 workshop — the same cars these brake diagrams are drawn from.

Wait for it…Mk2 Gti 16v Drivetrain and engine Rebuild! #mk2golf #16v #classicparts Mk2 GTI 16v drivetrain and engine rebuild in the Type 19 workshop.

Fitment and applicability

What this plate covers, as the factory catalogue records it — nothing here is inferred from the part names.

Vehicle
Volkswagen Golf Mk1
Model years
1981
Generation region
RDW
Generation code
026
Factory group
20 Brake
Factory subgroup
110000

Related factory diagrams

Other published brake plates for the Mk1 Golf in this catalogue.

The complete Mk1 Golf parts catalogue in print

Questions about this diagram

Which VW part numbers are on the reservoir brake servo diagram for the Mk1 Golf?
This diagram lists 43 OEM part numbers for the Mk1 Golf. The first three are 321 611 301 J, 532 721 731 A and B 000 750 M3.
Which Mk1 Golf years and engines does this diagram cover?
This plate is from the Mk1 Golf 1981 generation (RDW). The factory catalogue records no engine-code restriction on it, so it applies to all engines listed in the factory catalogue for this generation.
Where is the complete Mk1 Golf factory parts catalogue?
The Mk1 Golf Master Parts Catalogue is available in print and as a PDF from Type 19 Specialists at /shop/library/catalogue-mk1-hatch-full/. It carries every plate in this catalogue, not just this one.
Volkswagen Golf (1981) - Brake master cylinder

Volkswagen Golf (1981) - Brake master cylinder