Reservoir. coolant additive.

Name Ext. inf. A* Use of Part number A
reservoir
coolant additive
AAX,AFU,ADV
AAX,AFU,ADV
1 bearing angle
1.8
1.8 1 BCX 121 408   -
1A angled bracket
2.3 / 2.6
2.3 / 2.6 1 BCY 121 408 A  -
2 hexagon nut
1.8
1.8 4 N  011 008 30  40
3 spring washer
1.8
1.8 4 N  012 241 11  -
4 reservoir
1.8
1.8 1 025 121 403 A  17
4A reservoir
2.3 / 2.6
2.3 / 2.6 1 025 121 403 B  19
5 fillister hd. bolt
3 N  014 131 3  -
6 washer
3 N  011 523 18  -
7 end cap
1 025 121 321 B  32
8 reservoir
1 025 121 403   -
9 self-tapping screw
2 N  035 106 1  -
10 washer
2 N  011 524 23  -
- pipe holder
1 22S 121 443   -
11 end cap
2.3 / 2.6
2.3 / 2.6 1 025 121 482   10
12 see illustration:
13 water level switch
plug housing
1 251 919 372 A  13
control unit for coolant
level warning indicator
1 22S 919 376 A  -
14 o-ring
1 N  902 400 02  -
- coolant additive
1 G  996 001 B  -
* In the column 'A' indicates the number that is used in the selected vehicle.
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