Name Ext. inf. A* Use of Part number A
heater
coolant hoses
1X,AAC,ABL,
ACU,AAB,
AEN "CN ",
"GUS"
1X,AAC,ABL,
ACU,AAB,
AEN "CN ",
"GUS"
1 bracket
1 701 819 179   -
2 coolant hose
(heater valve > heat
exchanger)
1 701 819 373 A  1
(2) coolant hose
(heater valve > heat
exchanger)
1 702 819 373 E  -
3 clip
1 823 819 679   -
22 heater valve
1 701 819 809 B  -
4 grommet
1 311 949 149 B  -
(5) heater valve
1 701 819 809 C  -
(6) coolant hose
(flange > heat exchanger)
1 074 121 073 L  -
(6) coolant hose
(flange > heat exchanger)
1X,AAC
1X,AAC 1 702 819 378   -
(6) coolant hose
(flange > heat exchanger)
ABL
ABL 1 702 815 241   -
(6) coolant hose
(flange > heat exchanger)
AAB,ACU,AEN
AAB,ACU,AEN 1 702 819 378 A  -
(6) coolant hose
for vehicles with
auxiliary heater
pick-up
pick-up 1 707 819 378   1
7 bracket
1 701 819 379 A  -
8 hose bracket
1 701 819 379   -
9 protective cap
1 701 819 394   -
10 beading
1 701 947 149 A  -
11 spring band clamp
X N  016 403 1  1
12 spring band clamp
X N  016 404 1  1
- junction
for vehicles with
additional coolant pump
auxiliary heater
4-cylinder+
AAC,1X,ABL
4-cylinder+
AAC,1X,ABL
1 701 819 433 F  -
- junction
for vehicles with
auxiliary heater
5-cylinder:
ACU,AAB,AEN
5-cylinder:
ACU,AAB,AEN
1 707 819 433 D  -
- junction
for vehicles with
additional coolant pump
5-cylinder:
ACU,AAB,AEN
5-cylinder:
ACU,AAB,AEN
1 701 819 433 H  -
heater
coolant hoses
for vehicles with 2nd
heat exchanger
13 coolant hose
(heater valve > heat
exchanger)
1 701 819 371 A  -
14 coolant hose
(heater valve > heat
exchanger)
1 701 819 372 B  -
14 coolant hose
(heater valve > heat
exchanger)
1 701 819 372 H  -
(16) coolant hose
(flange > heater valve)
1X,AAB,AAC,
ACU,AEN
1X,AAB,AAC,
ACU,AEN
1 702 819 373 B  -
16 coolant hose
(flange > heater valve)
1 701 819 373 F  -
17 coolant hose
1 701 819 378 C  1
(17) coolant hose
4-cylinder+
1X,AAC
5-cylinder+
AAB,ACU,AEN
4-cylinder+
1X,AAC
5-cylinder+
AAB,ACU,AEN
1 702 819 378 C  -
19 bracket
1 701 819 379 A  -
20 coolant hose
(heater valve>
coolant pipe)
1X,AAC,ABL
1X,AAC,ABL 1 701 819 437 D  -
(20) coolant hose
(heater valve>
coolant pipe)
ACU,AAB,AEN
ACU,AAB,AEN 1 701 819 437 E  -
(20) coolant hose
(heater valve>
coolant pipe)
automatic
automatic 1 701 819 437 J  -
21 clip
1 823 819 679   -
22 heater valve
1 701 819 809 H  -
23 t-piece
1 701 819 876   -
23A protective cap
1 701 819 394   -
24 beading
1 701 947 149 A  -
25 grommet
1 311 949 149 B  -
26 hexagon collar nut
1 N  901 752 03  -
27 spring band clamp
X N  016 403 1  1
* In the column 'A' indicates the number that is used in the selected vehicle.
To find out where to buy the item or equivalent, click on the part number.