Which VW part numbers are on the switch unit tci diagram for the MK2 Golf?

This diagram lists 21 OEM part numbers for the MK2 Golf. The first three are 030 906 021 J, 030 906 021 K and 030 997 021 X.

Which MK2 Golf years and engines does this diagram cover?

This plate is from the MK2 Golf 1987 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.

Switch unit tci — MK2 Golf Engine Electrics (1987)

Factory title: Volkswagen Golf (1987) - Ignition lead. Glow plug. Ignition coil. current rail

Generation: MK2 1987 (RDW) Group: Engine electrics Rebuild step 4 Parts: 22 Primary OEM: 030 906 021 J, 030 906 021 K, 030 997 021 X

Switch unit tci for the Volkswagen Golf Mk2 (1987): factory exploded diagram 204010 from the Volkswagen ETKA parts catalogue, group 44 Engine electrics, listing 21 OEM part numbers across 22 catalogued positions including 030 906 021 J, 030 906 021 K and 030 997 021 X. 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 21 OEM part numbers across 22 numbered positions.

6 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
	switch unit 'tci' 1.05/1.3 Ltr. HZ,MH,NZ,2 C 1.05/1.3 Ltr. HZMHNZ	—
-	Control unit 'DIGIJET' NZ 'DIGIJET' NZ	030 906 021 J
-	Control unit 'DIGIJET' NZ 'DIGIJET' NZ	030 906 021 K
-	Control unit only to be used for: 'DIGIJET'030 906 021 K NZ 'DIGIJET'030 906 021 K NZ	030 997 021 X
(1)	switch unit 'tci' TELEFUNKEN TELEFUNKEN	191 905 351 B
(9)	Cover for 'TSZ' switchingdevice and lambda probecontrol unit	192 905 399 A
10	Flat contact housing	071 906 233
11	Protective cap	037 906 102 A
11	Protective cap	071 906 102
12	Hexagon nut M 5 M 5	N 011 005 4
12	Hexagon nut M 5 M 5	N 011 005 17
13	Spring washer 5 5	N 012 222 4
2	fillister hd. bolt M 4 X 18 M 4 X 18	N 014 125 1
3	Spring washer 4 4	N 012 224 3
4	heat dissipator	035 905 357 A
5	fillister hd. bolt M 5 X 15 M 5 X 15	N 014 131 3
6	Retaining plate	191 905 359 B
7	Clip	191 906 276
8	Hexagon collar nut M 5 M 5	N 100 173 04
8	Hexagon nut M 5 M 5	N 902 524 01
8	Hexagon collar nut M 5 M 5	171 857 026 A
9	Cover for 'TSZ' switchingdevice and lambda probecontrol unit	191 905 399 A

From the Type 19 workshop

Volkswagen Golf Mk2 work in the Type 19 workshop — the same cars these engine electrics 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: 1987
Generation region: RDW
Generation code: 070
Engine codes on this plate: HZ, MH, NZ
Variant tags: petrol_8v_base
Factory group: 44 Engine electrics
Factory subgroup: 204010

Related factory diagrams

Other published engine electrics plates for the MK2 Golf in this catalogue.

Connecting mounting parts alternator 1984 · subgroup 203000
Connecting mounting parts alternator 1984 · subgroup 201000
Connecting mounting parts alternator 1984 · subgroup 202000
Switch unit tci 1984 · subgroup 204010
Ignition coilignition leadswitch unit tci 1984 · subgroup 205000
Steering lock ignition starter switch 1984 · subgroup 208000
Ignition coilignition lead glow plug 1984 · subgroup 204000
Starter single parts starter 1984 · subgroup 212005

The complete MK2 Golf parts catalogue in print

Questions about this diagram

Which VW part numbers are on the switch unit tci diagram for the MK2 Golf?: This diagram lists 21 OEM part numbers for the MK2 Golf. The first three are 030 906 021 J, 030 906 021 K and 030 997 021 X.
Which MK2 Golf years and engines does this diagram cover?: This plate is from the MK2 Golf 1987 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.