Which VW part numbers are on the ventilation cylinder block diagram for the MK2 Golf?

This diagram lists 13 OEM part numbers for the MK2 Golf. The first three are 030 103 493 AG, 030 103 493 AE and 030 103 493 N.

Which MK2 Golf years and engines does this diagram cover?

This plate is from the MK2 Golf 1990 - 1991 generation (RDW). The parts on it carry the engine codes 2G, HZ and NZ.

Where is the complete MK2 Golf factory parts catalogue?

The Mk2 Golf Master Parts Catalogue is available in print and as a PDF from Type 19 Specialists at /shop/library/catalogue-mk2-full/. It carries every plate in this catalogue, not just this one.

Ventilation cylinder block — MK2 Golf Engine (1990 - 1991)

Factory title: Volkswagen Golf (1990 - 1992) - Cylinder block with pistons. oil sump

Generation: MK2 1990 - 1991 (RDW) Group: Engine Rebuild step 1 Parts: 14 Primary OEM: 030 103 493 AG, 030 103 493 AE, 030 103 493 N

Ventilation cylinder block for the Volkswagen Golf Mk2 (1990 - 1991): factory exploded diagram 2010 from the Volkswagen ETKA parts catalogue, group 01 Engine, listing 13 OEM part numbers across 14 catalogued positions including 030 103 493 AG, 030 103 493 AE and 030 103 493 N. Parts on this plate carry the engine codes 2G, HZ and NZ. Published by Type 19 Specialists; the complete MK2 Golf catalogue is in print as the Mk2 Golf Master Parts Catalogue.

Parts on this diagram

This MK2 Golf plate lists 13 OEM part numbers across 14 numbered positions.

23 hotspots (partial)

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
	Ventilation for cylinder block 1.05/1.3 Ltr. HZ,NZ,2 G 1.05/1.3 Ltr. HZNZ2G	—
-	air hose NZ NZ	030 103 493 AG
-	air hose NZ NZ	030 103 493 AE
(4)	air hose HZ HZ	030 103 493 N
(5)	oil separator NZ NZ	030 103 495 F
10	air hose NZ NZ	030 103 493 H
2	Clamp 25-40 X 9 X 0,5 25-40 X 9 X 0,5	N 024 506 5
4	air hose 2 G 2G	030 103 493 M
5	oil separator 2 G 2G	052 103 495
6	air hose 2 G 2G	030 103 493 F
7	air hose NZ NZ	030 103 493 P
7	air hose NZ NZ	030 103 493 T
8	air hose shorten to: 18 X 350 MM NZ 18 X 350 MM NZ	052 103 493 G
9	oil pressure regulating valve NZ NZ	030 115 327 E

From the Type 19 workshop

Volkswagen Golf Mk2 work in the Type 19 workshop — the same cars these engine diagrams are drawn from.

Mk2 Golf 16v Kjet Engine - - best they produced? What do you think? The 1980’s hot hatch — the Mk2 Golf 16v engine was the highest volume production Mk2 Golf Volkswagen released.

Fitment and applicability

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

Vehicle: Volkswagen Golf Mk2
Model years: 1990 - 1991
Generation region: RDW
Generation code: 110
Engine codes on this plate: 2G, HZ, NZ
Variant tags: petrol_8v_base
Factory group: 01 Engine
Factory subgroup: 2010

Related factory diagrams

Other published engine plates for the MK2 Golf in this catalogue.

Crankshaftconrodbearings 1984 · subgroup 6000
Ventilation cylinder head cover 1984 · subgroup 5010
Cylinder head 1984 · subgroup 5000
Cylinder head 1984 · subgroup 4000
Engine gearbox assy skid plate 1984 · subgroup 3005
Cylinder blockoil sump 1984 · subgroup 2000
Cylinder block pistonsoil sump 1984 · subgroup 3000
Engine 1984 · subgroup 1000

The complete MK2 Golf parts catalogue in print

Questions about this diagram

Which VW part numbers are on the ventilation cylinder block diagram for the MK2 Golf?: This diagram lists 13 OEM part numbers for the MK2 Golf. The first three are 030 103 493 AG, 030 103 493 AE and 030 103 493 N.
Which MK2 Golf years and engines does this diagram cover?: This plate is from the MK2 Golf 1990 - 1991 generation (RDW). The parts on it carry the engine codes 2G, HZ and NZ.
Where is the complete MK2 Golf factory parts catalogue?: The Mk2 Golf Master Parts Catalogue is available in print and as a PDF from Type 19 Specialists at /shop/library/catalogue-mk2-full/. It carries every plate in this catalogue, not just this one.