Which VW part numbers are on the coolant pump diagram for the Mk1 Golf?

This diagram lists 39 OEM part numbers for the Mk1 Golf. The first three are 052 121 004 X, 052 121 005 AX and 056 121 113 D.

Which Mk1 Golf years and engines does this diagram cover?

This plate is from the Mk1 Golf 1977 - 1978 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.

Coolant pump — Mk1 Golf Cooling (1977 - 1978)

Factory title: Volkswagen Golf (1977 - 1978) - Coolant pump

Generation: Mk1 1977 - 1978 (RDW) Group: Drive cooling Rebuild step 8 Parts: 40 Primary OEM: 052 121 004 X, 052 121 005 AX, 056 121 113 D

Coolant pump for the Volkswagen Golf Mk1 (1977 - 1978): factory exploded diagram 8000 from the Volkswagen ETKA parts catalogue, group 11 Drive cooling, listing 39 OEM part numbers across 40 catalogued positions including 052 121 004 X, 052 121 005 AX and 056 121 113 D. 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 39 OEM part numbers across 40 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
(1)	Coolant pump with sealing ring FA,FJ	052 121 004 X
(1)	Coolant pump with sealing ring FA,FJ	052 121 005 AX
(13)	Coolant regulator 87 C-102 C EE,EF,EG,EH,FN,FP,FR,FT,FV,JB 87 C-102 C	056 121 113 D
(15)	Pipe union diesel-industrialengine	056 121 121 B
(20)	Hexagon bolt M 8 X 55 diesel-industrialengine M 8 X 55	N 010 352 10
(2A)	Coolant pump with sealingrings, without belt pulley,regulator and pipe neck EE,EF,EG,EH,FN,FP,FR,FT,FV,JB,DIESEL:CK	055 121 010 X
(2A)	Coolant pump with sealingrings, without belt pulley,regulator and pipe neck See parts bulletin: X-123/1984 EE,EF,EG,EH,FN,FP,FR,FT,FV,JB X-123/1984	026 121 010 DX
(4)	v-belt pulley M >> FN 155 317	055 121 031
(4)	v-belt pulley DIESEL:CK	068 121 031
(7)	Seal 1,5 MM EE,EF,EG,EH,FN,FP,FR,FT,FV,JBDIESEL:CK 1,5 MM	026 121 041 M
(7)	Seal 1,5 MM EE,EF,EG,EH,FN,FP,FR,FT,FV,JBDIESEL:CK 1,5 MM	026 121 041 P
1	Coolant pump with sealing ring FA,FJ	052 121 004
1	Coolant pump with sealing ring FA,FJ	052 121 005 A
10	seal ring 4 MM FA,FJ 4 MM	030 121 043
10	seal ring 4 FA,FJ 4	030 121 043 B
11	Hexagon bolt M 6 X 25 FA,FJ M 6 X 25	N 010 218 6
12	Spring washer 6 FA,FJ 6	N 012 226 5
12	Spring washer A 6 FA,FJ A 6	N 012 227 3
13	Coolant regulator 80-91 EE,EF,EG,FN,FP,FR,FT,FV,DIESEL:CK 80-91	056 121 113 A
14	seal ring 50 X 4 EE,EF,EG,EH,FN,FP,FR,FT,FV,JB,DIESEL:CK 50 X 4	038 121 119 B
14	O-ring EE,EF,EG,EH,FN,FP,FR,FT,FV,JB,DIESEL:CK	059 121 119
15	Pipe union EE,EF,EG,EH,FN,FP,FR,FT,FV,JBDIESEL:CK	055 121 121 F
16	Spring washer 6 6	N 012 226 5
17	Hexagon bolt M 6 X 22 M 6 X 22	N 010 222 8
18	Spring washer B 8 X 15 B 8 X 15	N 012 241 10
18	Spring washer B 8 X 15 X 0,8 B 8 X 15 X 0,8	N 012 241 11
19	Hexagon bolt M 8 X 30 M 8 X 30	N 010 244 21
19	Hexagon bolt M 8 X 30 M 8 X 30	N 010 244 16
2	Bearing housing w/ pump wheel also use: 026 121 041 M EE,EF,EG,EH,FN,FP,FR,FT,FV,JBDIESEL:CK 026 121 041 M	068 121 005 C
20	Hexagon bolt M 8 X 50 M 8 X 50	N 040 262 2
2A	Coolant pump with sealingrings, without belt pulley,regulator and pipe neck EE,EF,EG,EH,FN,FP,FR,FT,FV,JBDIESEL:CK	026 121 010 D
3	Discont. / replace:	—
4	v-belt pulley M FN 155318>> EE,EF,EG,EH,FP,FT,FV,JB M FN 155318>>	056 121 031
4	v-belt pulley M FN 155 318>> M FN 155318>> M FN 155318>>	056 121 031
5	Spring washer B 8 X 15 X 0,8 B 8 X 15 X 0,8	N 012 241 11
5	Spring washer B 8 X 15 B 8 X 15	N 012 241 10
6	Hexagon bolt M 8 X 12 M 8 X 12	N 010 237 6
7	Seal 0,75 MM EE,EF,EG,EH,FN,FP,FR,FT,FV,JB,DIESEL:CK 0,75 MM	056 121 041
8	Spring washer 6 6	N 012 226 5
9	Hexagon bolt M 6 X 22 M 6 X 22	N 010 222 8

From the Type 19 workshop

Volkswagen Golf Mk1 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 Mk1
Model years: 1977 - 1978
Generation region: RDW
Generation code: 001
Factory group: 11 Drive cooling
Factory subgroup: 8000

Related factory diagrams

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

Coolant cooling system 1975 - 1976 · subgroup 9000
Coolant cooling system 1975 - 1976 · subgroup 8010
Coolant cooling system 1977 - 1978 · subgroup 8010
Air guide 1977 - 1978 · subgroup 10000
Coolant cooling system diesel 1977 - 1978 · subgroup 9010
Coolant cooling system 1977 - 1978 · subgroup 9000
Oil cooler 1977 - 1978 · subgroup 7010
Coolant pump 1979 - 1980 · subgroup 10000

The complete Mk1 Golf parts catalogue in print

Questions about this diagram

Which VW part numbers are on the coolant pump diagram for the Mk1 Golf?: This diagram lists 39 OEM part numbers for the Mk1 Golf. The first three are 052 121 004 X, 052 121 005 AX and 056 121 113 D.
Which Mk1 Golf years and engines does this diagram cover?: This plate is from the Mk1 Golf 1977 - 1978 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.