Which VW part numbers are on the cooler coolantthermostatthermal switch diagram for the MK2 Golf?

This diagram lists 37 OEM part numbers for the MK2 Golf. The first three are G 011 V8B A8, G 012 A8F M8 and G 011 A8C A8.

Which MK2 Golf years and engines does this diagram cover?

This plate is from the MK2 Golf 1986 generation (RDW). The parts on it carry the engine codes HZ, MH 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.

Cooler coolantthermostatthermal switch — MK2 Golf Cooling (1986)

Factory title: Volkswagen Golf (1986) - Coolant pump

Generation: MK2 1986 (RDW) Group: Drive cooling Rebuild step 8 Parts: 40 Primary OEM: G 011 V8B A8, G 012 A8F M8, G 011 A8C A8

Cooler coolantthermostatthermal switch for the Volkswagen Golf Mk2 (1986): factory exploded diagram 21000 from the Volkswagen ETKA parts catalogue, group 11 Drive cooling, listing 37 OEM part numbers across 40 catalogued positions including G 011 V8B A8, G 012 A8F M8 and G 011 A8C A8. Parts on this plate carry the engine codes HZ, MH 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 37 OEM part numbers across 40 numbered positions.

20 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
	Cooler for coolantthermostatthermal switch 1.05/1.3 Ltr. GT,HZ,NZ,RC,MH,NU 1.05/1.3 Ltr. HZNZMH	—
(25)	Coolant additive	G 011 V8B A8
(25)	coolant additive, plus	G 012 A8F M8
(25)	Coolant additive	G 011 A8C A8
(2A)	thermostat housing NZ,RC NZ	030 121 117 C
(8A)	Hexagon bolt M 8 X 55 HZ,NZ,RC,MH,NU M 8 X 55 HZNZMH	N 010 352 10
1	Coolant regulator GT	036 121 113 B
12	Cooler for coolant 430 MM 430 MM	171 121 253 CJ
13	Retaining plate	191 121 265 C
14	Retaining plate	191 121 265 B
15	Retaining plate for models with battery: 54 A/63 A 54 A/63 A	191 121 271
16	Spring washer 6 6	N 012 226 5
16	Spring washer A 6 A 6	N 012 227 3
17	Hexagon bolt M 6 X 18 M 6 X 18	N 010 216 12
18	Hexagon bolt M 6 X 32 M 6 X 32	N 010 305 4
19	Rubber washer	171 121 276 D
1A	Coolant regulator HZ,NZ,RC,MH,NU HZNZMH	030 121 113
2	No longer available	—
25	Coolant additive	G 011 V8B A1
25	coolant additive, plus	G 012 A8F M1
25	Coolant additive	G 011 A8C A1
26	see illustration: 216 216	—
2A	thermostat housing HZ,MH,NU HZMH	030 121 117 D
3	seal ring GT	052 121 119
3A	seal ring 50 X 4 HZ,NZ,RC,MH,NU 50 X 4 HZNZMH	038 121 119 B
3A	O-ring HZ,NZ,RC,MH,NU HZNZMH	059 121 119
4	Cover GT	052 121 121 E
4A	Pipe union HZ,NZ,RC,MH,NU HZNZMH	030 121 121 B
4A	Pipe union HZ,NZ,RC,MH,NU HZNZMH	030 121 121
5	Seal GT	052 121 127 A
5A	O-ring 42,5 X 3 HZ,NZ,RC,MH,NU 42,5 X 3 HZNZMH	030 121 119
6	Socket head bolt withhexagon socket head M 6 X 18 GT M 6 X 18	N 014 703 5
6	Oval socket head boltwith hex drive M 6 X 18 GT M 6 X 18	N 101 961 03
6A	Hexagon bolt M 6 X 18 HZ,NZ,RC,MH,NU M 6 X 18 HZNZMH	N 010 216 12
6B	Spring washer 6 6	N 012 226 5
8	Hexagon bolt M 8 X 75 GT M 8 X 75	N 010 375 10
8	Hexagon bolt M 8 X 75 GT M 8 X 75	N 010 375 3
8A	Hexagon bolt M 8 X 32 HZ,NZ,RC,MH,NU M 8 X 32 HZNZMH	N 010 332 4
8B	Spring washer 8 X 15 X 0,5 8 X 15 X 0,5	N 012 229 3
8B	Spring washer B 8 X 15 B 8 X 15	N 012 241 10

From the Type 19 workshop

Volkswagen Golf Mk2 work in the Type 19 workshop — the same cars these cooling 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: 1986
Generation region: RDW
Generation code: 064
Engine codes on this plate: HZ, MH, NZ
Variant tags: petrol_8v_base
Factory group: 11 Drive cooling
Factory subgroup: 21000

Related factory diagrams

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

Cooler coolantflangethermal switch 1984 · subgroup 22000
Coolant hoses coolant pipe reservoir 1984 · subgroup 18000
Coolant pump 1984 · subgroup 15000
Coolant hoses coolant pipe reservoir 1984 · subgroup 17000
Cooler coolantthermostatthermal switch 1984 · subgroup 21000
Air guide 1984 · subgroup 23000
Coolant hoses coolant pipe reservoir k jetronic 1984 · subgroup 19000
Coolant hoses coolant pipe reservoir 1986 · subgroup 18000

The complete MK2 Golf parts catalogue in print

Questions about this diagram

Which VW part numbers are on the cooler coolantthermostatthermal switch diagram for the MK2 Golf?: This diagram lists 37 OEM part numbers for the MK2 Golf. The first three are G 011 V8B A8, G 012 A8F M8 and G 011 A8C A8.
Which MK2 Golf years and engines does this diagram cover?: This plate is from the MK2 Golf 1986 generation (RDW). The parts on it carry the engine codes HZ, MH 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.