| | | | Coolant cooling system | return3.7/4.2ltr. | | 8-cylinder+ BFL,BFM |
| | 1 | 4E0 121 055 C | Coolant hose withquick release coupling | | 1 | |
| | - | 4E0 121 142 | retaining spring | 38MM | 1 | |
| | - | 4E0 121 666 | O-ring | 38X4 | 1 | |
| | 2 | 4E0 121 485 B | Coolant pipe | | 1 | |
| | 3 | N10 473 401 | Hexagon socket head panel bolt | 6X20 | 2 | |
| | 4 | 4E0 121 445 D | Coolant hose | | 1 | |
| | 5 | 4E0 121 400 B | Coolant pipe | | 1 | |
| | 6 | N09 026 19 | hexagon head bolt (combi) | M6X20 | 1 | |
| | 7 | N10 009 110 | hexagon head bolt (combi) | M6X12 | 1 | |
| | 8 | 4E0 121 449 D | Coolant hose(Coolant pipe > oil cooler) | | 1 | |
| | 9 | 4E0 121 448 E | Coolant hose(Coolant pipe > oil cooler) | | 1 | |
| | (10) | 4E0 121 447 D | Coolant hose withquick release coupling | | 1 | |
| | (11) | 4E0 121 109 F 03.2003-10.2007 | Coolant hose(Expansion tank > coolant pipe) F 4E-3-007 801>> | | || || || 1 | |
| | 12 | | Reservoir see illustration: | 121-070 | | |
| | (13) | 4E0 121 399 B 03.2003-10.2007 | Coolant pipe F 4E-3-007 801>> | | || 1 | |
| | 14 | N90 533 002 | hexagon head bolt (combi) | M6X20 | 3 | |
| | 15 | 4E0 121 088 F | Coolant hose | lhd | 1 | |
| | (15) | 4E2 121 088 | Coolant hose | rhd | 1 | |
| | 16 | 077 121 065 A D | Coolant pipe | | 1 | |
| | 17 | 077 121 437 | O-ring | | 1 | |
| | 18 | N10 082 912 | bolt, hex. hd. (combi.)self-locking | M6X16 | 1 | |
| | 19 | | Coolant hose see illustration: | 819-060 | | |
| | 20 | 077 121 109 A | Coolant hose | | 1 | |
| | 21 | | Coolant pipe see illustration: | 115-080 | | |
| | 22 | 077 121 481 D | water drain pipe | | 1 | |
| | 23 | N01 384 93 | seal ring | 14X20 | 1 | |
| | 24 | N02 107 47 | Banjo bolt | 10 | 1 | |
| | 25 | N90 071 102 | hexagon head bolt (combi) | M6X18 | 1 | |
| | 26 | N01 383 07 | seal ring | 8X12 | 1 | |
| | 27 | N90 718 601 | Hexagon bolt | M8X12 | 1 | |
| | 28 | | Cooler for coolant see illustration: | 121-070 | | |
| | 29 | | cover for thermostat see illustration: | 121-002 | | |
| | 40 | N90 686 901 | Spring band clamp | 23X12 | 3 | |
| | 41 | N90 687 001 | Spring band clamp | 27X12 | 3 | |
| | 42 | N90 687 201 | Spring band clamp | 40X12 | 3 | |
| | 43 | N90 926 501 | Spring band clamp | 47X12 | 3 | |