Which VW part numbers are on the coolant cooling system diagram for the Mk3 Golf?

This diagram lists 45 OEM part numbers for the Mk3 Golf. The first three are N 904 855 01, 867 711 532 and 1H0 121 051 C.

Which Mk3 Golf years and engines does this diagram cover?

This plate is from the Mk3 Golf 1997 generation (RDW). The parts on it carry the engine codes 1Y, 1Z, AAZ, AEY, AFN, AHU and ALE.

Where is the complete Mk3 Golf factory parts catalogue?

The Mk3 Golf Master Parts Catalogue is available in print and as a PDF from Type 19 Specialists at /shop/library/catalogue-mk3-full/. It carries every plate in this catalogue, not just this one.

Coolant cooling system — Mk3 Golf Cooling (1997)

Factory title: Volkswagen Golf (1997 - 1998) - Coolant pump

Generation: Mk3 1997 (RDW) Group: Drive cooling Rebuild step 8 Parts: 49 Primary OEM: N 904 855 01, 867 711 532, 1H0 121 051 C

Coolant cooling system for the Volkswagen Golf Mk3 (1997): factory exploded diagram 121035 from the Volkswagen ETKA parts catalogue, group 11 Drive cooling, listing 45 OEM part numbers across 49 catalogued positions including N 904 855 01, 867 711 532 and 1H0 121 051 C. Parts on this plate carry the engine codes 1Y, 1Z, AAZ, AEY, AFN, AHU and ALE. Published by Type 19 Specialists; the complete Mk3 Golf catalogue is in print as the Mk3 Golf Master Parts Catalogue.

Parts on this diagram

This Mk3 Golf plate lists 45 OEM part numbers across 49 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
	Coolant cooling system 1.9 ltr. 4-cylinder Diesel eng.+1 Y,AAZ,1 Z,AEY,AFN,AHU,ALE 1.9 ltr. 1ZAAZAEYAFNAHUALE	—
-	hose in coils of 5 m'order unit 5' 8 X 2,5 8 X 2,5	N 904 855 01
-	Bracket 1 Z,AHU,ALE 1ZAHUALE	867 711 532
(1)	Coolant hose(Coolant radiator/pump)for vehicles with air condit. 1 Z,AFN,AHU,ALE 1ZAFNAHUALE	1H0 121 051 C
(1)	Coolant hose(Coolant radiator/pump)for vehicles with air condit.for vehicles with automatic AAZ AAZ	1H0 121 051 C
(13)	Coolant hose(Flange>coolant radiator) Automatic+1 Z,AFN,AHU,ALE AFNAHUALE	1H0 121 101 R
(13)	Coolant hose(Flange>coolant radiator)	1H0 121 101 B
(13)	Coolant hose(Flange>coolant radiator)for models withtowing facilityfor vehicle use in warmclimates AAZ AAZ	1H0 121 101 R
(13)	Coolant hose(Flange>coolant radiator) 1 Y,AAZ:TAXI,post,policeauthority 1Y	1H0 121 101 R
(14)	Coolant hose(Expansion tank > coolant pipe) TAXI,post,policeauthority	1H0 121 109 M
(14)	Coolant hose(Expansion tank > coolant pipe) TAXI:AFN AFN	1H0 121 109 S
(14)	Coolant hose(Expansion tank > coolant pipe)	1H0 121 109 J
(15)	Coolant hose(Expansion tank>transmission oil cooler>coolant pipe) Automatic+AAZ,1 Z,AFN,AHU 1ZAFNAHU	1H0 121 109 L
(15)	Coolant hose(Expansion tank>transmission oil cooler>coolant pipe) Automatic+AAZ,1 Z,AFN,AHU,ALE 1ZAFNAHUALE	1H0 122 109
(19)	Adapter	037 121 619
(2)	Coolant hose(Flange > oil cooler > coolant pump) AFN AFN	028 121 053 T
(2)	Coolant hose(Flange > oil cooler > coolant pump) AEY AEY	028 121 053 S
(6)	Coolant hose(Oil cooler > coolant pipe > coolant pump) AFN AFN	037 122 058 B
(7)	Coolant pipe 1 Z,AEY,AHU 1ZAEYAHU	028 121 065 F
(7)	Coolant pipe AFN AFN	028 121 065 T
(7)	Coolant pipe 1 Z,AEY,AHU,ALE 1ZAEYAHUALE	028 121 065 K
1	Coolant hose(Coolant radiator/pump)	1H0 121 051 B
10	Hexagon collar nut M 6 M 6	N 901 752 03
13	Coolant hose(Flange > coolant radiator> connecting piece)for vehicles with additionalcoolant radiatorfor models withtowing facility Automatic+AAZ	1H0 121 101 J
13	Coolant hose(Flange > coolant radiator> connecting piece)for vehicles with additionalcoolant radiatorfor vehicles with air condit. AAZ AAZ	1H0 121 101 J
14	Coolant hose(Expansion tank > coolant pipe) ecomatic	1H0 121 109 A
16	shorten to: 650 MM 650 MM	—
18	retaining spring	037 121 142 A
19	Adapterfor vehicles with additionalcoolant radiator AAZ AAZ	037 121 619 B
2	Coolant hose(Flange > oil cooler > coolant pump) 1 Y,AAZ,1 Z,AHU,ALE 1Y1ZAAZAHUALE	028 121 053 Q
20	Coolant hose(Coolant pump >connecting piece) AAZ AAZ	1H0 121 611 B
21	Intermediate piecefor vehicles with additionalcoolant radiator AAZ AAZ	1H0 121 140
22	Coolant hose(additional radiator > intermed. piece)for vehicles with additionalcoolant radiator AAZ AAZ	1H0 121 609
22A	Coolant hose ecomatic	028 121 611 B
23	Spring band clamp 13 X 15 13 X 15	N 100 987 01
24	Spring band clamp 23 X 15 23 X 15 Type 19 makes this →	N 016 402 1
25	Spring band clamp 27 X 15 27 X 15 Type 19 makes this →	N 016 403 1
26	Spring band clamp 32 X 15 32 X 15 Type 19 makes this →	N 016 404 1
27	Spring band clamp 40 X 15 40 X 15 Type 19 makes this →	N 016 410 1
29	Cable ties 3,6 X 246 3,6 X 246	N 020 902 2
30	Additional coolant pump ecomatic	251 965 561 B
31	Rubber bush ecomatic	035 959 209 E
32	see illustration: 819-050 819-050	—
33	see illustration: 819-050 819-050	—
5	Coolant hose(flange > cooler - at fluid) Automatic+AFN,AAZ AAZ	357 121 058 D
6	Coolant hose(Oil cooler > coolant pipe > coolant pump)	037 122 058
7	Coolant pipe 1 Y,AAZ 1YAAZ	037 121 065 L
8	Hexagon bolt M 6 X 15 M 6 X 15	N 010 215 27
9	Washer 6,4 X 18 X 1,6 6,4 X 18 X 1,6	N 011 666 15

Reproduction parts by Type 19 for this diagram

Volkswagen no longer supplies one part on this plate. Type 19 manufactures it to the factory number.

Mk2 Golf Engine Hose Clamps Factory numbers on this diagram: N 016 402 1, N 016 403 1, N 016 404 1, N 016 410 1

From the Type 19 workshop

Volkswagen Golf Mk3 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 Mk3
Model years: 1997
Generation region: RDW
Generation code: 184
Engine codes on this plate: 1Y, 1Z, AAZ, AEY, AFN, AHU, ALE
Variant tags: diesel
Factory group: 11 Drive cooling
Factory subgroup: 121035

Related factory diagrams

Other published cooling plates for the Mk3 Golf in this catalogue.

Coolant cooling system 1993 - 1996 · subgroup 121050
Air guide aaa aam aba acc adc add azz 1993 - 1996 · subgroup 121080
Cooler coolant reservoirflange 1993 - 1996 · subgroup 121070
Coolant pump aaa 1993 - 1996 · subgroup 121015
Cooler coolant reservoir coolant regulator housing 1993 - 1996 · subgroup 121075
Coolant cooling system 1995 · subgroup 121022
Coolant cooling system 1995 · subgroup 121020
Coolant pump 4 cylinder 1997 · subgroup 121010

The complete Mk3 Golf parts catalogue in print

Questions about this diagram

Which VW part numbers are on the coolant cooling system diagram for the Mk3 Golf?: This diagram lists 45 OEM part numbers for the Mk3 Golf. The first three are N 904 855 01, 867 711 532 and 1H0 121 051 C.
Which Mk3 Golf years and engines does this diagram cover?: This plate is from the Mk3 Golf 1997 generation (RDW). The parts on it carry the engine codes 1Y, 1Z, AAZ, AEY, AFN, AHU and ALE.
Where is the complete Mk3 Golf factory parts catalogue?: The Mk3 Golf Master Parts Catalogue is available in print and as a PDF from Type 19 Specialists at /shop/library/catalogue-mk3-full/. It carries every plate in this catalogue, not just this one.