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 codes AHW, BCA and BCB.

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.

Vacuum system intake system throttle valve control element — Mk4 Golf Engine (2003 - 2004)

Factory title: Volkswagen Golf/Golf R32 (2003 - 2006) - Vacuum system. intake system. Throttle valve control element

Generation: Mk4 2003 - 2004 (MEX, RDW) Group: Engine Rebuild step 1 Parts: 74 Primary OEM: N 020 139 1, N 020 353 5, N 020 353 27

Vacuum system intake system throttle valve control element for the Volkswagen Golf Mk4 (2003 - 2004): factory exploded diagram 133011 from the Volkswagen ETKA parts catalogue, group 01 Engine, listing 69 OEM part numbers across 74 catalogued positions including N 020 139 1, N 020 353 5 and N 020 353 27. Parts on this plate carry the engine codes AHW, BCA and BCB. 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 69 OEM part numbers across 74 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
	intake systemvacuum system Throttle valve control element 1.4/1.6 ltr. 4-cylinder+AHW,BCA,BCB 1.4/1.6 ltr. AHWBCABCB	—
-	tube in coils of 5 m'order unit 5' 4 X 1 4 X 1	N 020 139 1
-	Hose(Bulk stock) 3,5 X 2 3,5 X 2	N 020 353 5
-	hose in coils of 5 m'order unit 5' 3,5 X 2 3,5 X 2	N 020 353 27
-	Threaded pin M 8 X 25/M 8 X 16 M 8 X 25/M 8 X 16	N 909 247 02
(1)	Intake connection also use: N 105 514 03 N 904 130 06 BCB N 105 514 03 N 904 130 06 BCB	036 129 711 FA
(1)	Intake connection BCA BCA	036 129 711 DR
(11)	Throttle valve control elementfor vehicles with acceleratorpedal sender BCB BCB	036 133 062 M
(11)	Throttle valve control elementfor vehicles with acceleratorpedal sender BCA BCA	036 133 062 L
(12)	Hexagon socket flathead bolt M 6 X 55 BCB M 6 X 55 BCB	N 105 514 03
(12)	Socket head bolt with hexagonsocket head (combination) M 6 X 50 BCB M 6 X 50 BCB	N 100 802 02
(12)	Socket head bolt with hexagonsocket head (combination) M 6 X 65 BCA M 6 X 65 BCA	N 100 993 02
(12)	Socket head bolt with hexagonsocket head (combination) M 6 X 65 BCA M 6 X 65 BCA	N 100 993 01
(20A)	Connecting pipe BCB BCB	036 131 521 BJ
(21)	Seal BCB BCB	036 131 550 J
(22)	Hexagon bolt 6 X 19 BCB 6 X 19 BCB	N 904 130 06
(33)	Spring band clamp 14 X 12 14 X 12	N 906 867 01
(37)	Seal BCA,BCB BCABCB	036 131 547 F
(38)	Seal BCA,BCB BCABCB	036 131 547 F
(38)	Seal BCA,BCB BCABCB	036 131 547 D
(41)	Hexagon bolt M 8 X 16 AHW M 8 X 16 AHW	N 010 293 16
(41)	Socket head bolt withhexagon socket head M 8 X 32 BCB M 8 X 32 BCB	N 019 903 5
(6)	Pressure sensor BCA BCA	06B 906 051
(6)	Pressure sensor BCB BCB	036 906 051
(9)	oval head panel screw 4,8 X 16 BCA 4,8 X 16 BCA	N 904 347 02
1	Intake connection AHW AHW	036 129 711 BK
10	Socket head bolt with hexagonsocket head (combination) M 8 X 38 M 8 X 38	N 904 050 02
11	Throttle valve control element AHW AHW	030 133 064 F
12	Socket head bolt with hexagonsocket head (combination) M 6 X 35 AHW M 6 X 35 AHW	N 101 907 01
12	Socket head bolt with hexagonsocket head (combination) M 6 X 50 BCB M 6 X 50 BCB	N 100 802 01
13	exhaust recirculation valve AHW AHW	036 131 503 D
13A	exhaust recirculation valve BCA,BCB BCABCB	036 131 503 R
13A	exhaust recirculation valve BCA,BCB BCABCB	036 131 503 T
14	Seal AHW AHW	036 131 547
15	Socket head bolt withhexagon socket head M 6 X 16 AHW M 6 X 16 AHW	N 014 740 11
16	Valve AHW AHW	054 906 267 A
17	Air filter	037 133 843 A
18	die ring 12 AHW 12 AHW	N 020 823 1
19	union bolt M 18 X 1,5 X 12 AHW M 18 X 1,5 X 12 AHW	N 103 219 01
2	Intermediate flange AHW,BCA AHWBCA	036 133 255 E
20	Connecting pipe AHW AHW	036 131 521 N
20A	Connecting pipe BCB BCB	036 131 521 AS
20A	Connecting pipe BCA BCA	036 131 521 AC
21	Seal AHW,BCA AHWBCA	036 131 550 A
22	Socket head bolt withhexagon socket head M 6 X 14 AHW,BCA M 6 X 14 AHWBCA	N 014 745 2
22	Hexagon bolt 6 X 19 BCB 6 X 19 BCB	N 904 130 04
23	Hexagon bolt 6 X 19 6 X 19	N 904 130 06
23	Hexagon bolt 6 X 19 6 X 19	N 904 130 04
24	shorten to: 50 MM AHW 50 MM AHW	—
25	shorten to: 190 MM AHW 190 MM AHW	—
26	shorten to: 60 MM AHW 60 MM AHW	—
27	shorten to: 200 MM AHW 200 MM AHW	—
28	oval head panel screw 4,8 X 16 AHW,BCA 4,8 X 16 AHWBCA	N 904 347 02
3	Seal 64 X 2,3 X 5,6 64 X 2,3 X 5,6	036 133 073
32	Connecting hose	1J0 133 371 G
33	Spring band clamp 14 X 12 14 X 12	N 102 922 01
34	Sealing plate AHW AHW	036 131 281
35	Adapter use if required: N 909 247 01 BCA,BCB N 909 247 01 BCABCB	036 131 818 E
35	Adapter BCA,BCB BCABCB	036 131 818 A
36	Seal	036 131 550 H
37	Seal BCA,BCB BCABCB	036 131 547 A
39	Connecting hose BCA,BCB BCABCB	036 133 773 D
39	Connecting hose BCA,BCB BCABCB	036 133 773 G
4	Seal 45 X 2,3 X 4,9 45 X 2,3 X 4,9	036 129 717 E
40	Hexagon collar nutself-locking M 8 BCA,BCB M 8 BCABCB	N 023 003 8
40	Hexagon collar nutself-locking M 8 BCA,BCB M 8 BCABCB	N 023 003 13
41	Socket head bolt withhexagon socket head M 8 X 30 BCA M 8 X 30 BCA	N 014 726 3
41	Hexagon bolt M 8 X 16 AHW M 8 X 16 AHW	N 010 293 5
5	Seal AHW,BCA AHWBCA	036 133 161 C
6	Pressure sensor AHW AHW	036 906 051
7	End cap AHW,BCA AHWBCA	036 129 720
8	Non-return valve AHW,BCA AHWBCA	036 129 530
9	oval head panel screw 4,2 X 19 AHW,BCB 4,2 X 19 AHWBCB	N 013 967 1
9	oval head panel screw 4,2 X 19 AHW,BCB 4,2 X 19 AHWBCB	N 106 663 02

From the Type 19 workshop

Volkswagen Golf Mk4 work in the Type 19 workshop — the same cars these engine diagrams are drawn from.

Volkswagen OEM Parts Catalogues and Torque reference manuals! Get amongst it. Volkswagen OEM Parts Catalogues and Torque reference manuals from Type 19 Specialists — the printed editions the free catalogue pages 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: AHW, BCA, BCB
Variant tags: petrol_8v_base
Factory group: 01 Engine
Factory subgroup: 133011

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2001 cylinder block with pistons oil sump 1998 · subgroup 103077
2001 cylinder block with pistons oil sump 1998 · subgroup 103075
2001 cylinder block with pistons oil sump 1998 · subgroup 103071

The complete Mk4 Golf parts catalogue in print

Questions about this diagram

Which VW part numbers are on the vacuum system intake system throttle valve control element diagram for the Mk4 Golf?: This diagram lists 69 OEM part numbers for the Mk4 Golf. The first three are N 020 139 1, N 020 353 5 and N 020 353 27.
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 codes AHW, BCA and BCB.
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.