Secondary air pump — Mk4 Golf Engine (2003 - 2004)
Factory title: Volkswagen Golf/Golf R32 (2003 - 2006) - Secondary air pump
Secondary air pump for the Volkswagen Golf Mk4 (2003 - 2004): factory exploded diagram 131002 from the Volkswagen ETKA parts catalogue, group 01 Engine, listing 33 OEM part numbers across 35 catalogued positions including 066 131 149 C, 7M3 131 351 and 066 131 084. Parts on this plate carry the engine code AQN. Published by Type 19 Specialists; the complete Mk4 Golf catalogue is in print as the Mk4 Golf Master Parts Catalogue.
Parts on this diagram
This Mk4 Golf plate lists 33 OEM part numbers across 35 numbered positions.
| № | Description | Part number |
|---|---|---|
| Secondary air pump 2.3 ltr. 5-cylinder+AQN 2.3 ltr. AQN | — | |
| (11) | Connecting hose automatic | 066 131 149 C |
| (21) | Non-return valve automatic | 7M3 131 351 |
| (3) | Retainer for pump automatic | 066 131 084 |
| (5) | Socket head bolt withinner multipoint head M 8 X 14 M 8 X 14 | N 903 086 07 |
| (5) | Socket head bolt withinner multipoint head M 8 X 14 M 8 X 14 | N 903 086 05 |
| (8) | Intake manifold automatic | 1J0 131 128 AC |
| 1 | Secondary air pump | 06A 959 253 E |
| 1 | Secondary air pump | 06A 959 253 B |
| 10 | Connecting hose | 066 131 149 D |
| 11 | Connecting hose manualgearbox | 066 131 149 B |
| 12 | Hexagon collar nut M 6 M 6 | N 015 082 5 |
| 12 | Hexagon collar nut M 6 M 6 | N 015 082 13 |
| 13 | Adapter | 022 131 119 B |
| 14 | Seal | 06A 131 120 A |
| 15 | kombi valve | 021 131 101 E |
| 15 | kombi valve | 022 131 101 C |
| 16 | Seal | 022 131 120 B |
| 17 | Socket head bolt withinner multipoint head M 6 X 22 M 6 X 22 | N 905 006 05 |
| 18 | Socket head bolt withhexagon socket head M 6 X 15 M 6 X 15 | N 014 702 10 |
| 18 | Socket head bolt withhexagon socket head M 6 X 15 M 6 X 15 | N 014 702 13 |
| 19 | see illustration: 133-066 133-066 | — |
| 2 | Stop buffer | 06A 133 567 A |
| 20 | bracket for check valve manualgearbox | 1J0 131 561 B |
| 21 | Non-return valve manualgearbox | 1J0 131 351 A |
| 3 | Retainer for pump manualgearbox | 066 131 085 |
| 4 | Hexagon collar nut M 6 M 6 | N 015 082 5 |
| 4 | Hexagon collar nut M 6 M 6 | N 015 082 13 |
| 5 | Socket head bolt M 6 X 16 M 6 X 16 | N 102 261 03 |
| 6 | double cable tie | 4A0 820 199 |
| 7 | Solenoid valve | 1J0 906 283 B |
| 7 | Solenoid valve | 1K0 906 283 |
| 8 | Intake manifold manualgearbox | 1J0 131 128 AB |
| 9 | Cable ties 4,6 X 200 4,6 X 200 | N 906 661 01 |
| 9 | Cable ties with bracket 4,5 X 200 4,5 X 200 | 3D0 971 838 N |
From the Type 19 workshop
Volkswagen Golf Mk4 work in the Type 19 workshop — the same cars these engine diagrams are drawn from.
Fitment and applicability
What this plate covers, as the factory catalogue records it — nothing here is inferred from the part names.
- Vehicle
- Volkswagen Golf Mk4
- Model years
- 2003 - 2004
- Generation region
- MEX, RDW
- Generation code
- 405
- Engine codes on this plate
- AQN
- Factory group
- 01 Engine
- Factory subgroup
- 131002
Related factory diagrams
Other published engine plates for the Mk4 Golf in this catalogue.
The complete Mk4 Golf parts catalogue in print
Questions about this diagram
- Which VW part numbers are on the secondary air pump diagram for the Mk4 Golf?
- This diagram lists 33 OEM part numbers for the Mk4 Golf. The first three are 066 131 149 C, 7M3 131 351 and 066 131 084.
- Which Mk4 Golf years and engines does this diagram cover?
- This plate is from the Mk4 Golf 2003 - 2004 generation (MEX, RDW). The parts on it carry the engine code AQN.
- Where is the complete Mk4 Golf factory parts catalogue?
- The Mk4 Golf Master Parts Catalogue is available in print and as a PDF from Type 19 Specialists at /shop/library/catalogue-mk4-mechanical/. It carries every plate in this catalogue, not just this one.