Evaporator. fan. heater unit.

Name Ext. inf. A* Use of Part number A
heater unit
evaporator
fan
F >> 4B-X-025 000*
1 fan
blower impeller
1 4B1 820 021   -
2 fan control
1 4B0 820 521   12
3 servomotor
fresh air flap
ventilation flap
1 4B1 820 511 D  -
(3) servomotor
fresh air flap
ventilation flap
for vehicles with no air
conditioning system
1 4B1 820 511 E  -
4 servomotor
defroster flap
1 4B1 820 511 B  -
5 servomotor
temperature regulating flap
(drivers side)
1 4B1 820 511   -
6 servomotor
temperature regulating flap
(passenger side)
1 4B1 820 511 A  -
7 central flap positioning motor
1 4B1 820 511 C  -
8 air distribution housing
1 4B0 819 353   -
9 intake duct
1 4B0 820 153   -
10 seal
intake duct
1 4B1 819 165   -
11 footwell vent
1 4B1 819 151 B  -
12 insulating piece
1 4B1 260 774   -
13 drain tube
1 4B1 819 861   -
14 protective cap
1 4B1 819 915   -
15 evaporator
1 4B1 820 103   14
16 heat exchanger
also use:
1
2
4B1 819 031   4
18 connecting pipe
1 4B0 820 720   -
19 o-ring
2 4D0 819 380 A  -
20 o-ring
gasket set
heat exchanger
2 4B0 819 380   1
21 connecting pipe
1 4B0 820 885   -
21A double grommet
1 4B1 819 699   -
22 clip
X 4D0 819 646   -
23 external temperature sensor
1 4B0 820 535 A  -
24 temperature sensor
1 4B0 820 539   3
25 hexagon head bolt (combi)
3 4B0 819 536   -
26 hexagon head bolt (combi)
6 4B0 819 536 A  -
27 oval head panel screw
X N  013 964 9  -
28 nut, square
1 4B0 819 800   -
29 hexagon head bolt (combi)
3 4B0 819 536 B  -
30 guide funnel
1 4B1 260 113 A  -
31 dummy cover
1 4B0 819 425   -
32 water drain valve
1 4B0 260 155   -
33 panel screw
3 N  904 345 01  -
34 drain tube
1 8D0 260 155   -
35 cover
1 4B1 819 164   -
36 hexagon head bolt (combi)
4 N  103 407 01  -
37 retaining bar
heater
fan
1 8D1 819 079 A  -
* In the column 'A' indicates the number that is used in the selected vehicle.
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