Name Ext. inf. A* Use of Part number A
coolant pump
4-cylinder+
ACE
4-cylinder+
ACE
1 bearing housing w/ pump wheel
1 037 121 005 C  76
1 bearing housing w/ pump wheel
1 026 121 005 H  111
2 coolant pump with sealing
rings, without belt pulley,
regulator and pipe neck
1 037 121 010 C  93
2 coolant pump with sealing
rings, without belt pulley,
regulator and pipe neck
1 037 121 010 A  124
(2) coolant pump with sealing
rings, without belt pulley,
regulator and pipe neck
1 037 121 010 BX  59
(2) coolant pump with sealing
rings, without belt pulley,
regulator and pipe neck
1 037 121 010 AX  59
3 hexagon bolt
8 N  010 222 8  -
4 spring washer
8 N  012 226 5  -
(6) v-belt pulley
1 050 121 031 A  -
8 socket head bolt with
inner multipoint head
3 N  903 086 03  -
8 socket head bolt with
inner multipoint head
3 N  903 086 05  -
9 seal
1 026 121 041 P  5
9 seal
1 026 121 041 M  2
10 bungs
X 049 121 099   -
12 coolant regulator
1 044 121 113   66
12 coolant regulator
1 056 121 113 D  67
13 o-ring
2 038 121 119 B  21
13 o-ring
2 059 121 119   20
14 pipe union
1 048 121 121 B  22
16 hexagon bolt
1 N  010 244 21  -
16 hexagon bolt
1 N  010 244 16  9
(16) stud with hex. hd.
1 051 260 821 A  -
(17) stud with hex. hd.
2 053 260 821   -
18 spring washer
X N  012 241 10  19
18 spring washer
X N  012 229 3  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.