Coolant cooling system.

Name Ext. inf. A* Use of Part number A
coolant cooling system
4-cylinder
diesel eng.+
1Y,AAZ,1Z,
AEY,AHU,ALE
4-cylinder
diesel eng.+
1Y,AAZ,1Z,
AEY,AHU,ALE
1 coolant hose
(coolant radiator/pump)
1 1H0 121 051 B  16
(1) coolant hose
(coolant radiator/pump)
for vehicles with air condit.
for vehicles with
automatic
AAZ
AAZ 1 1H0 121 051 C  8
(1) coolant hose
(coolant radiator/pump)
for vehicles with air condit.
1Z,AFN,AHU,
ALE
1Z,AFN,AHU,
ALE
1 1H0 121 051 C  8
2 coolant hose
(flange > oil cooler >
coolant pump)
1Y,AAZ,1Z,
AHU,ALE
1Y,AAZ,1Z,
AHU,ALE
1 028 121 053 Q  16
(2) coolant hose
(flange > oil cooler >
coolant pump)
AEY
AEY 1 028 121 053 S  5
(2) coolant hose
(flange > oil cooler >
coolant pump)
AFN
AFN 1 028 121 053 T  3
5 coolant hose
(flange > cooler -
at fluid)
automatic:
AFN,AAZ,1Z,
AHU,ALE
automatic:
AFN,AAZ,1Z,
AHU,ALE
1 357 121 058 D  1
(6) coolant hose
(oil cooler > coolant
pipe > coolant pump)
1Y,AAZ,1Z,
AEY,AHU,ALE
1Y,AAZ,1Z,
AEY,AHU,ALE
1 037 122 058   12
(6) coolant hose
(oil cooler > coolant
pipe > coolant pump)
AFN
AFN 1 037 122 058 B  5
(7) coolant pipe
1Y,AAZ
1Y,AAZ 1 037 121 065 L  18
7 coolant pipe
1Z,AEY,AHU
1Z,AEY,AHU 1 028 121 065 F  4
7 coolant pipe
1Z,AEY,AHU,
ALE
1Z,AEY,AHU,
ALE
1 028 121 065 K  16
(7) coolant pipe
AFN
AFN 1 028 121 065 T  12
8 hexagon bolt
1 N  010 215 27  -
9 washer
1 N  011 666 15  -
10 hexagon collar nut
X N  901 752 03  -
(13) coolant hose
(flange>coolant radiator)
1 1H0 121 101 B  19
(13) coolant hose
(flange>coolant radiator)
automatic:
1Z,AFN,AHU,
ALE
automatic:
1Z,AFN,AHU,
ALE
1 1H0 121 101 R  14
(13) coolant hose
(flange>coolant radiator)
for models with
towing facility
for vehicle use in warm
climates
AAZ
AAZ 1 1H0 121 101 R  14
(13) coolant hose
(flange>coolant radiator)
1Y,AAZ:
TAXI,
post,
police
1Y,AAZ:
TAXI,
post,
police
1 1H0 121 101 R  14
13 coolant hose
(flange > coolant radiator>
connecting piece)
for vehicles with additional
coolant radiator
for vehicles with air condit.
AAZ
AAZ 1 1H0 121 101 J  1
13 coolant hose
(flange > coolant radiator>
connecting piece)
for vehicles with additional
coolant radiator
for models with
towing facility
automatic:
AAZ
automatic:
AAZ
1 1H0 121 101 J  1
14 coolant hose
(expansion tank >
coolant pipe)
ecomatic
ecomatic 1 1H0 121 109 A  8
(14) coolant hose
(expansion tank >
coolant pipe)
1 1H0 121 109 J  -
(14) coolant hose
(expansion tank >
coolant pipe)
TAXI,
post,
police
authority
TAXI,
post,
police
authority
1 1H0 121 109 M  -
(14) coolant hose
(expansion tank >
coolant pipe)
TAXI:
AFN
TAXI:
AFN
1 1H0 121 109 S  -
(15) coolant hose
(expansion tank>transmission
oil cooler>coolant pipe)
automatic:
AAZ,1Z,AFN,
AHU
automatic:
AAZ,1Z,AFN,
AHU
1 1H0 121 109 L  -
(15) coolant hose
(expansion tank>transmission
oil cooler>coolant pipe)
automatic:
AAZ,1Z,AFN,
AHU,ALE
automatic:
AAZ,1Z,AFN,
AHU,ALE
1 1H0 122 109   -
- hose in coils of 5m
'order unit 5'
* N  904 855 01  -
16 shorten to:
1
18 retaining spring
1 037 121 142 A  3
(19) adapter
1 037 121 619   19
19 adapter
for vehicles with additional
coolant radiator
AAZ
AAZ 1 037 121 619 B  -
20 coolant hose
(coolant pump >
connecting piece)
AAZ
AAZ 1 1H0 121 611 B  -
21 intermediate piece
for vehicles with additional
coolant radiator
AAZ
AAZ 2 1H0 121 140   -
22 coolant hose
(additional radiator >
intermed. piece)
for vehicles with additional
coolant radiator
AAZ
AAZ 1 1H0 121 609   -
23 spring band clamp
X N  100 987 01  -
24 spring band clamp
X N  016 402 1  1
25 spring band clamp
X N  016 403 1  1
26 spring band clamp
X N  016 404 1  1
27 spring band clamp
X N  016 410 1  1
29 cable ties
X N  020 902 2  -
32 see illustration:
33 see illustration:
* 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.