| | | | camshaft, valves | 2.0 Ltr. | | 4-cylinder 20V |
| | | | camshaft, valves | 2.0 Ltr. | | ALT |
| | 1 | 06B 109 101 F | Camshaft | Inlet | 1 | |
| | 2 | 06B 109 022 B | Camshaft | Outlet | 1 | |
| | 3 | 058 109 229 B | timing chain | | 1 | |
| | 4 | 06B 109 088 D | camshaft adjuster unit | | 1 | |
| | 5 | N10 521 601 | countersunk multi-pointsocket head bolt | M12X1, 25X70 | 1 | |
| | 6 | 06B 109 217 B | chain tensioner | | 1 | |
| | 7 | N10 080 102 | Socket head bolt with hexagonsocket head (combination) | M6X25 | 3 | |
| | 8 | | Hall sensor see illustration: | 905-050 | | |
| | 9 | N01 024 222 | Hexagon bolt | M8X25 | 1 | |
| | 10 | 06B 109 111 | toothed belt pulley | | 1 | |
| | 11 | 06A 109 281 A | bolt, hex. hd. with shoulderand shaft | | 1 | |
| | 12 | 058 109 309 F | Tappets | Inlet | 12 | |
| | (12) | 058 109 309 E | Tappets | Outlet | 8 | |
| | 13 | 058 109 601 C | Inlet valve | 105, 1 | 12 | |
| | (14) | 058 109 611 M | exhaust valve M >> ALT 174 459 | 103, 9 | || 8 | |
| | 14 | 06B 109 611 D | exhaust valve M ALT 174 460>> | 103, 9 | || 8 | |
| | 15 | 058 109 633 | Valve spring | Inlet | 12 | |
| | (15) | 078 109 623 B | Valve spring | Outlet | 8 | |
| | 16 | 058 109 641 | spring disc | Inlet | 12 | |
| | (16) | 058 109 641 B | spring disc | Outlet | 8 | |
| | 17 | 036 109 651 A | cotter, split | | 40 | |
| | 18 | 036 109 675 A | Valve stem seal use if required: | 6MM 100 109 001 B | 20 || X | |