| | 1 | 03C 121 065 F | 03C 121 065 F qty: 1 Coolant pipe | | Coolant pipe | | 1 | |
| | 2 | 03C 121 665 | 03C 121 665 qty: 1 O-ring | | O-ring | | 1 | |
| | 3 | 03C 121 666 | 03C 121 666 qty: 1 O-ring | | O-ring | | 1 | |
| | 4 | 03C 121 142 | 03C 121 142 qty: 1 retaining spring | | retaining spring | | 1 | |
| | 5 | 03C 121 004 J | 03C 121 004 J qty: 1 Coolant pump with glued insealing ring | | Coolant pump with glued insealing ring | | 1 | |
| | (5) | 03C 121 004 J X | 03C 121 004 J X qty: 1 Coolant pump with glued insealing ringThe part has been restored at the manufacturer's factory | | Coolant pump with glued insealing ringThe part has been restored at the manufacturer's factory | | 1 | |
| | 7 | 1K0 122 291 R | 1K0 122 291 R qty: 1 Quick acting coupling | | Quick acting coupling | | 1 | |
| | 11 | 1K0 121 447 C T | 1K0 121 447 C T qty: 1 Coolant hose | | Coolant hose | | 1 | |
| | 12 | N90 794 401 | N90 794 401 qty: 1 t-piece automatic | | t-piece | 20X16X20 | 1 | automatic |
| | 14 | 1C0 422 705 A | 1C0 422 705 A qty: 1 Clip | | Clip | | 1 | |
| | 15 | 3C0 820 495 | 3C0 820 495 qty: 1 Double hose holder | | Double hose holder | | 1 | |
| | 16 | 1K0 121 070 B C | 1K0 121 070 B C qty: 1 Coolant pipe | | Coolant pipe | | 1 | |
| | 17 | 1K0 122 447 F B | 1K0 122 447 F B qty: 1 Coolant pipe withcoolant hose | | Coolant pipe withcoolant hose | | 1 | |
| | 18 | 03C 121 151 B | 03C 121 151 B qty: 1 Coolant pipefor vehicles with auxiliaryheater | | Coolant pipefor vehicles with auxiliaryheater | feed/return | 1 | |
| | 19 | N10 216 803 | N10 216 803 qty: 1 hexagon head bolt (combi)for vehicles with auxiliaryheater | | hexagon head bolt (combi)for vehicles with auxiliaryheater | M10X16 | 1 | |
| | 20 | N10 451 405 | N10 451 405 qty: 1 Oval hexagon socket head boltfor vehicles with auxiliaryheater | | Oval hexagon socket head boltfor vehicles with auxiliaryheater | M6X16 | 1 | |
| | 21 | | see illustration: automatic | | see illustration: | 321-060 | | automatic |
| | 22 | 1K0 122 109 B C | 1K0 122 109 B C qty: 1 Coolant hose(Expansion tank > coolant pipe) | | Coolant hose(Expansion tank > coolant pipe) | | 1 | |
| | 23 | 1K0 122 096 H | 1K0 122 096 H qty: 1 Coolant hose automatic | | Coolant hose | | 1 | automatic |
| | (23) | 1K0 121 096 A T | 1K0 121 096 A T qty: 1 Coolant hose manual gearbox | | Coolant hose | | 1 | manual gearbox |
| | 24 | 1K0 121 096 B G | 1K0 121 096 B G qty: 1 Coolant hose automatic | | Coolant hose | | 1 | automatic |
| | 25 | 1K0 121 113 A | 1K0 121 113 A qty: 1 Coolant regulator automatic | | Coolant regulator | | 1 | automatic |
| | 26 | N90 693 401 | N90 693 401 qty: 1 t-piece automatic | | t-piece | 16X16X16X45° | 1 | automatic |
| | 27 | 1K0 121 157 D K | 1K0 121 157 D K qty: 1 Coolant hose withquick release couplingfor vehicles with auxiliaryheater | | Coolant hose withquick release couplingfor vehicles with auxiliaryheater | | 1 | |
| | (27) | 1K0 121 157 D Q | 1K0 121 157 D Q qty: 1 Coolant hose withquick release coupling manual gearbox | | Coolant hose withquick release coupling | | 1 | manual gearbox |
| | (27) | 1K0 121 157 D P | 1K0 121 157 D P qty: 1 Coolant hose withquick release coupling automatic | | Coolant hose withquick release coupling | | 1 | automatic |
| | 28 | 1K0 121 058 B N | 1K0 121 058 B N qty: 1 Coolant hose automatic | | Coolant hose | | 1 | automatic |
| | 29 | 1K0 121 157 D N | 1K0 121 157 D N qty: 1 Coolant hose automatic | | Coolant hose | | 1 | automatic |
| | (29) | 1K0 121 157 D L | 1K0 121 157 D L qty: 1 Coolant hosefor vehicles with auxiliaryheater manual gearbox | | Coolant hosefor vehicles with auxiliaryheater | | 1 | manual gearbox |
| | 30 | 1T0 121 157 S | 1T0 121 157 S qty: 1 Coolant hosefor vehicles with auxiliaryheater automatic | | Coolant hosefor vehicles with auxiliaryheater | | 1 | automatic |
| | 32 | N91 096 901 | N91 096 901 qty: 3 round hd. screw | | round hd. screw | M6X22 | 3 | |
| | 40 | | ReservoirCoolant regulator housing see illustration: | | ReservoirCoolant regulator housing see illustration: | 121-070 | | |
| | 41 | | see illustration: Use item: | | see illustration: Use item: | 121-015 20 | | |
| | 42 | | see illustration: Use item: | | see illustration: Use item: | 121-015 12 | | |
| | 43 | | see illustration: Use item: | | see illustration: Use item: | 121-015 8 | | |
| | 60 | N90 686 701 | N90 686 701 qty: X Spring band clamp | | Spring band clamp | 14X12 | X | |
| | 61 | N90 686 902 | N90 686 902 qty: X Spring band clamp | | Spring band clamp | 23X12 | X | |
| | 62 | N90 687 001 | N90 687 001 qty: X Spring band clamp | | Spring band clamp | 27X12 | X | |
| | 64 | N90 687 201 | N90 687 201 qty: X Spring band clamp | | Spring band clamp | 40X12 | X | |