| | | Coolant cooling system
8-cylinder+ ASG,ANK | Coolant cooling system | 4.2 Ltr. | | 8-cylinder+ ASG,ANK |
| | 1 | 4B3 121 055 H qty: 1 Coolant hose | Coolant hose | | 1 | |
| | 2 | 4B3 121 055 C qty: 1 Coolant hose | Coolant hose | | 1 | |
| | 3 | 4B3 121 101 J qty: 1 Coolant hose
PR:9M0 | Coolant hose | | 1 | PR:9M0 |
| | (3) | 4B3 121 101 K qty: 1 Coolant hose
PR:9M1,9M9 | Coolant hose | | 1 | PR:9M1,9M9 |
| | 4 | 4B3 121 107 D qty: 1 Vent hose(Connection piece > coolant pipe) | Vent hose(Connection piece > coolant pipe) | | 1 | |
| | 5 | 4B3 121 109 qty: 1 Coolant hose | Coolant hose | upper | 1 | |
| | (5) | Coolant hose see illustration:
PR:9M0 | Coolant hose see illustration: | lower 819-060 | | PR:9M0 |
| | (5) | 4D0 133 335 qty: 1 Cap closure
PR:9M1,9M9 | Cap closure | lower | 1 | PR:9M1,9M9 |
| | 6 | 077 121 065 T qty: 1 Coolant pipe | Coolant pipe | | 1 | |
| | 7 | 077 121 071 B D qty: 1 Coolant pipe | Coolant pipe | | 1 | |
| | - | N90 316 801 qty: 1 O-ring | O-ring | 19, 6X3, 65 | 1 | |
| | - | 032 121 142 qty: 1 retaining spring | retaining spring | | 1 | |
| | 8 | 077 121 109 A qty: 1 Coolant hose | Coolant hose | | 1 | |
| | (8) | 077 121 109 C qty: 1 Coolant hosefor models with supplementaryheater | Coolant hosefor models with supplementaryheater | | 1 | |
| | 9 | 077 121 070 F qty: 1 Coolant pipe | Coolant pipe | | 1 | |
| | 10 | 077 121 102 qty: 1 Coolant hose | Coolant hose | | 1 | |
| | 11 | Coolant pipe(oil cooler > water pipe) see illustration: | Coolant pipe(oil cooler > water pipe) see illustration: | 115-080 | | |
| | - | 077 121 437 qty: 1 O-ring | O-ring | 15X2 | 1 | |
| | 12 | 4B3 121 107 C qty: 1 Vent hose | Vent hose | | 1 | |
| | 14 | N90 926 501 qty: 3 Spring band clamp | Spring band clamp | 47X12 | 3 | |
| | 15 | N90 687 001 qty: 2 Spring band clamp | Spring band clamp | 27X12 | 2 | |
| | 16 | N90 770 201 qty: 5 Spring band clamp | Spring band clamp | 17X12 | 5 | |
| | 17 | N90 687 001 qty: X Spring band clamp | Spring band clamp | 27X12 | X | |
| | 18 | N01 640 21 qty: X Spring band clamp | Spring band clamp | 23X15 | X | |
| | 19 | N90 687 201 qty: 3 Spring band clamp | Spring band clamp | 40X12 | 3 | |
| | 20 | N90 686 702 qty: X Spring band clamp | Spring band clamp | B14X12 | X | |
| | 25 | 803 959 849 qty: 2 Bracket | Bracket | | 2 | |
| | 26 | 3D0 971 838 A qty: 2 Cable tie with holder for weld pin: | Cable tie with holder for weld pin: | 5X200 5 | 2 | |
| | 30 | N90 765 301 qty: 2 O-ring | O-ring | 32X4 | 2 | |
| | 40 | N01 152 423 qty: 2 Washer | Washer | 6, 4X12, 5X1, 6 | 2 | |
| | 41 | N01 021 527 qty: 1 Hexagon bolt | Hexagon bolt | M6X15 | 1 | |
| | 42 | 1J0 121 142 qty: 1 retaining spring | retaining spring | 32MM | 1 | |
| | 45 | 077 121 437 qty: 1 O-ring | O-ring | 15X2 | 1 | |
| | 46 | N90 365 302 qty: 1 O-ring | O-ring | 20X3 | 1 | |
| | 47 | N90 912 501 qty: 2 O-ring | O-ring | 32X5 | 2 | |
| | 48 | N90 271 604 qty: 4 Socket head bolt with hexagonsocket head (combination) | Socket head bolt with hexagonsocket head (combination) | M6X22 | 4 | |
| | 49 | 077 121 481 B qty: 1 water drain pipe | water drain pipe | | 1 | |
| | 50 | N01 384 93 qty: 2 seal ring | seal ring | 14X20 | 2 | |
| | 51 | N02 107 47 qty: 1 Banjo bolt | Banjo bolt | 10 | 1 | |
| | 52 | N90 071 102 qty: 1 hexagon head bolt (combi) | hexagon head bolt (combi) | M6X18 | 1 | |
| | 53 | N01 383 07 qty: 1 seal ring | seal ring | 8X12 | 1 | |
| | 54 | N90 718 601 qty: 1 Hexagon bolt | Hexagon bolt | M8X12 | 1 | |
| | - | 4B3 121 251 C qty: 1 Additional cooler for coolant | Additional cooler for coolant | | 1 | |
| | - | 4B3 121 048 A qty: 1 Bracketfor vehicles with additionalcoolant radiator | Bracketfor vehicles with additionalcoolant radiator | | 1 | |
| | - | Retaining bracketNo replacement part | Retaining bracketNo replacement part | 45X47 | | |
| | - | 4B3 121 036 B qty: 1 Coolant hose(Coolant pipe > additional coolant radiator) | Coolant hose(Coolant pipe > additional coolant radiator) | | 1 | |
| | - | 077 117 412 E qty: 1 Coolant pipe(Coolant pipe > additional coolant radiator) | Coolant pipe(Coolant pipe > additional coolant radiator) | | 1 | |
| | - | 4B3 317 017 B qty: 1 Air guidefor vehicles with additionalcoolant radiator | Air guidefor vehicles with additionalcoolant radiator | | 1 | |
| | - | N90 942 301 qty: 1 Clampbracket for thermostatfor vehicles with additionalcoolant radiator | Clampbracket for thermostatfor vehicles with additionalcoolant radiator | 48X15 | 1 | |