| | | | Coolant cooling system | 4.0 ltr. | | 8-cylinder+ BDN |
| | 1 | 3B0 122 051 E | Coolant hose(Coolant regulator housing > coolant radiator) | | 1 | |
| | 3 | N90 783 401 | O-ring | 13, 1X1, 6 | 2 | |
| | 4 | 07D 121 399 G | Coolant pipe | | 1 | |
| | 5 | 3B0 121 058 E | Coolant hose(Coolant regulator housing > coolant pipe) | | 1 | |
| | 6 | 3B0 122 063 L | Coolant hose(3-phase alternator > coolant pipe) | | 1 | |
| | 7 | 3B0 122 063 K | Coolant hose(3-phase alternator > coolant pipe) | | 1 | |
| | 8 | 3B0 121 058 F | Coolant hose(oil cooler > water pipe) | | 1 | |
| | 9 | 3B0 121 096 G | Coolant hose | | 1 | |
| | 10 | 3B0 121 096 F | Coolant hose | | 1 | |
| | 11 | 07D 121 493 D | Coolant pipe | | 1 | |
| | 12 | N10 226 102 | Socket head bolt withinner multipoint head | M6X16 | X | |
| | 14 | | see illustration: | 115-080 | | |
| | 15 | 3B0 122 101 G | Coolant hose(coolant radiator>/pipe) | | 1 | |
| | (16) | 07D 121 070 F | Coolant pipe | | 1 | |
| | 17 | 07D 121 481 M | Coolant pipe | | 1 | |
| | 18 | 07D 121 149 B | Seal | | 1 | |
| | 19 | N90 316 801 | O-ring | 19, 6X3, 65 | 1 | |
| | 20 | | see illustration: | 919-080 | | |
| | 21 | 032 121 142 | retaining spring | | 1 | |
| | 22 | N90 500 605 | Socket head bolt withinner multipoint head | M6X22 | X | |
| | 23 | 07D 121 666 | O-ring | 20X2 | 1 | |
| | 24 | 07D 121 065 D | Coolant pipe | | 1 | |
| | 25 | 07D 121 511 D | Coolant pipe | right | 1 | |
| | 26 | 07D 121 511 C | Coolant pipe | left | 1 | |
| | 27 | N90 561 901 | O-ring | 15, 08X2, 62 | 2 | |
| | 28 | N10 248 001 | Socket head bolt withinner multipoint head | M6X14 | X | |
| | 30 | 3B0 121 449 N | Coolant hose(Coolant pipe>coolant pipe) | | 1 | |
| | 31 | 3B0 121 449 P | Coolant hose(Coolant pipe > additional coolant pump) | | 1 | |
| | 32 | 3B0 121 449 Q | Coolant hose(Coolant pipe > additional coolant pump) | | 1 | |
| | 35 | 3B0 121 065 F | Coolant pipe | | 1 | |
| | 36 | 3B0 121 449 J | Coolant hose with valve(coolant radiator>/pipe) | | 1 | |
| | 37 | 1J0 122 351 | Non-return valve | | 1 | |
| | (40) | 3D0 965 561 D | Additional coolant pump | | 1 | |
| | 41 | 066 959 209 | rubber mount.with locat.divice | | 1 | |
| | 42 | 035 959 209 F | Rubber bush | | 2 | |
| | 43 | 021 121 079 F | Bracket for additional coolantpump | | 1 | |
| | 44 | N90 533 002 | hexagon head bolt (combi) | M6X20 | 2 | |
| | 45 | 3B0 121 146 C | Shield ring | | 1 | |
| | 47 | 3B0 121 109 D | Coolant hose(Expansion tank > coolant pipe) | | 1 | |
| | 48 | 3B0 121 142 A | Retaining bar | | 1 | |
| | 49 | N10 340 801 | bolt, hex.hd.with shoul.(combi) | M6X25 | 1 | |
| | 50 | | see illustration: | 121-070 | | |
| | 60 | 07D 121 111 A B | Coolant regulator housingwith thermostatandSeal | | 1 | |
| | (61) | 07D 121 091 D | Seal only for: | 07D 121 111 Q | 1 | |
| | 61 | 07D 121 091 E | Seal only for: | 07D 121 111 AB | 1 | |
| | 62 | 07C 121 065 D | Coolant pipe | | 1 | |
| | 63 | 07D 121 666 A | O-ring | 18X2 | 1 | |
| | 64 | N10 459 203 | Hexagon socket headbolt | M5X12-CH | 2 | |
| | 66 | N90 655 301 | Spring band clamp | 17X12 | X | |
| | (67) | N90 686 901 | Spring band clamp | 23X12 | X | |
| | (68) | N90 687 001 | Spring band clamp | 27X12 | X | |
| | 69 | N90 926 501 | Spring band clamp | 47X12 | X | |