| | | | Coolant cooling system | 2.5Ltr. | | 6-cylinder Diesel eng.+ AKN,BAU,BDH, BDG |
| | 1 | 8D0 121 055 N | Coolant hose | | 1 | |
| | 2 | N90 316 801 | O-ring | 19, 6X3, 65 | 1 | |
| | 3 | 032 121 142 | retaining spring | | 1 | |
| | - | 1J0 121 142 | retaining spring | 32MM | X | |
| | - | N90 765 301 | O-ring | 32X4 | X | |
| | 4 | | see illustration: | 959-050 | | |
| | 5 | 059 121 071 P | Coolant pipe | | 1 | AKN |
| | (5) | 059 121 071 R | Coolant pipe | | 1 | BAU,BDH,BDG |
| | 6 | N90 380 002 | O-ring | 24X3 | 1 | |
| | 7 | N90 035 103 | O-ring | 21X3 | 1 | |
| | 8 | N01 470 213 | Socket head bolt withhexagon socket head | M6X15 | X | |
| | 9 | N90 308 605 | Socket head bolt withinner multipoint head | M8X14 | X | |
| | 10 | | see illustration: | 121-015 POS.9 | | |
| | 12 | 059 121 058 A | Coolant hose(Coolant pipe>coolant pipe) | | 1 | AKN |
| | (12) | 059 121 058 C | Coolant hose(Coolant pipe>coolant pipe) | | 1 | BAU |
| | (12) | 059 121 058 E | Coolant hose(Coolant pipe>coolant pipe) | | 1 | BDH,BDG |
| | 13 | 059 121 075 K | Coolant pipe | return | 1 | |
| | 14 | 059 121 065 D | Coolant pipe | feed | 1 | AKN,BAU |
| | 15 | 059 121 065 L | Coolant pipefor vehicles with exhaustgas cooling recirculation | feed | 1 | BDH,BDG |
| | 16 | WHT 006 407 | O-ring | 20X3 | 1 | |
| | 17 | 059 121 065 T | Coolant pipefor vehicles with exhaustgas cooling recirculation | | 1 | BDH,BDG |
| | 18 | 059 121 083 A | Coolant pipe | | 1 | |
| | 19 | N90 380 002 | O-ring | 24X3 | 1 | |
| | 20 | 8D0 121 101 A H | Coolant hose(Expansion tank coolantradiator>coolant pipe) | | 1 | AKN |
| | (20) | 3B0 122 101 J | Coolant hose(Expansion tank coolantradiator>coolant pipe) | | 1 | BAU,BDH,BDG |
| | - | 1J0 121 142 | retaining spring | 32MM | X | |
| | - | N90 765 301 | O-ring | 32X4 | X | |
| | 21 | 059 121 107 B | Vent hose(distributor > coolant pipe) | | 1 | AKN,BAU |
| | 22 | 059 121 107 J | Vent hose(Exhaust gas cooler > connect- ing piece > coolant pipe)for vehicles with exhaustgas cooling recirculation | | 1 | BDH,BDG |
| | 23 | 059 121 073 | Coolant hose(Exhaust gas cooler > coolant pipe)for vehicles with exhaustgas cooling recirculation | | 2 | BDH,BDG |
| | 24 | | see illustration: | 131-020 | | |
| | 25 | 8D0 121 109 H | Coolant hose(Expansion tank > coolant pipe) | | 1 | AKN |
| | (25) | 3B0 121 109 F | Coolant hose(Expansion tank > coolant pipe) | | 1 | BAU,BDH,BDG |
| | 26 | 059 121 096 F | Coolant hose(oil cooler > water pipe) | | 1 | |
| | 27 | 059 121 073 A | Coolant hose(oil cooler > cylinder block) | | 1 | |
| | 30 | 059 121 481 C | water drain pipe | | 1 | |
| | 31 | 077 121 437 | O-ring | | 1 | |
| | 32 | N90 483 201 | Hexagon bolt | M6X8 | 1 | |
| | 33 | N01 380 42 | seal ring | 6X10 | 1 | |
| | 34 | 059 121 361 A | Retaining plate | | 1 | |
| | 36 | 4A0 121 093 | Cable tie with hose retainer | | 1 | |
| | 37 | | see illustration: | 819-061 | | |
| | (40) | N90 687 201 | Spring band clamp | 40X12 | X | |
| | (41) | N90 687 001 | Spring band clamp | 27X12 | X | |
| | (42) | N90 686 901 | Spring band clamp | 23X12 | X | |
| | 43 | N90 655 301 | Spring band clamp | 17X12 | X | |
| | (44) | N90 686 701 | Spring band clamp | 14X12 | X | |
| | 45 | N02 090 22 | Cable ties | 3, 6X246 | X | |
| | 46 | 4A0 820 199 | double cable tie | | X | |