The description, spare parts and characteristics of the turbocharger for VW Golf IV/Bora 1.8TThe information on the automobile
Manufacturer: VW
Vehicle: Golf IV/Bora 1.8T
Engine: 1,8-5V quer/transversal
Engine displacement: 1.78 litres
Power kW/hp: 110/150 at 5500 rpm
Fuel: gasoline
The information on the turbocharger
Turbo part no.: 5303 970 0011
Service turbo no.: 5303 988 0011 
Reference no.: 06A145704
Model spec.: K03-2072GAA5.88KCAXK
Turbo maker: 3K
Orientation α (compressor housing): 356.5°
Orientation β (turbine housing): 183.5°
Wastegate adjustment (pressure): 0,43 bar
Wastegate adjustment (rod lift): 4,00 mm.
Axial play min./max.: 0,06/0,09 mm.
Radial play min./max.: / mm.
Clearance min./max. (compressor end): 0,2/0,8 mm.
Clearance min./max. (turbine end): 0,4/0,97 mm.
| ¹ | Description | Detail | Part no. | Qty. | Valid until | | 1 | Bearing housing (water-cooled) | K04 ø˜62/34/34 | 5304 150 0009 | 1 | | | 2 | Retaining ring | ø˜14,1x0,6 | 500 4079 0007 | 1 | | | 3 | Journal bearing | K0 ø˜7,021/ø˜13x27,8 | 5303 155 1007 | 1 | | | 3 | Journal bearing | K0 ø˜7,021/ø˜13x27,8 | 5303 155 1001 | 1 | 1997-10-23 | | 4 | Locking clip | ø˜15,6/8x0,7 | 5303 103 0803 | 1 | | | 5 | Shaft and wheel assembly | K03/K ø˜45x6,8/40/7x49,2/4,6x45 | 5303 120 5023 | 1 | | | 5 | Shaft and wheel assembly | K03/K ø˜45x6,8/40/7x49,2/4,6x47 | 5303 120 5008 | 1 | 2000-05-30 | | 6 | Piston ring (green) | ø˜14x1,39x0,8 | 5314 127 0100 | 1 | | | 8 | Thrust ring | ø˜4,6/12x1,5 | 5303 124 0001 | 1 | | | 9 | Spacer sleeve | ø˜4,6 | 5303 127 0501 | 1 | 1997-04-11 | | 10 | Thrust bearing | K0/K1 | 5314 155 1302 | 1 | | | 11 | Flinger sleeve | ø˜4,6/ø˜9,4/ø˜12,1/ø˜7,9x12 | 5303 127 0402 | 1 | | | 11 | Flinger sleeve | ø˜4,6/ø˜9,4x3,93 | 5303 127 0401 | 1 | 1997-04-11 | | 11 | Oil deflector ring | ø˜4,6/16x5,05 | 5303 127 1001 | 1 | 1997-04-11 | | 12 | Piston ring | ø˜10x1,39x0,7 | 5303 127 0100 | 1 | | | 13 | Oil deflector shield | K0 | 5303 156 0801 | 1 | | | 16 | O-ring | ø˜36x2 | 5303 158 0501 | 1 | | | 17 | Compressor backplate | ø˜113/51,2/10x4,41 | 5304 151 5702 | 1 | | | 17 | Compressor backplate | ø˜113/51,2/10x5,21 | 5304 151 5700 | 1 | 1997-04-11 | | 20 | Compressor wheel | K04-2072GAA | 5304 123 2007 | 1 | 1999-11-03 | | 20 | Compressor wheel | K04-2072GAA | 5304 123 2018 | 1 | | | 21 | Shaft nut (left-hand thread) | M4,5x0,5 LHx 7 SW10 | 5304 128 5001 | 1 | 1999-11-09 | | 21 | Shaft nut (left-hand thread) | M4,5x0,5 LHx 7 SW10 | 5304 128 5004 | 1 | | | 22 | Compressor housing | K04-2072GAA | 5304 101 5008 | 1 | | | 23 | Clamp plate (compressor side) | ø˜123/90°/2,5 | 5303 109 5801 | 1 | | | 24 | Hexagon bolt | M6x12 | 500 3535 5219 | 5 | | | 25 | Turbine housing | K03-5.88KCAXK | 5303 100 9078 | 1 | | | 25 | Turbine housing | K03-5.88KCAXK | 5303 100 8007 | 1 | 2000-05-23 | | 27 | Hexagon bolt | M6x11 | 5900 109 0403 | 6 | | | 28 | Clamp plate (turbine side) | ø˜74/0°/4 | 5303 109 5805 | 6 | | | 31 | Heat shield | ø˜46/61,8x8 | 5303 165 2000 | 1 | | | 72 | Circlip | SB16 | 500 4072 0016 | 1 | | | 110 | Actuator | DN25.1 | 5825 110 4071 | 1 | | | 110 | Actuator | DN25.1 | 5825 110 4022 | 1 | 1999-01-25 | | 115 | Locking bracket | | 5810 119 5901 | 1 | | | 116 | Hexagon nut | M6 | 500 3550 5009 | 2 | |
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