O-ring:

【17】059121057S Coolant hose

【24】059121071DE Joint, coolant

【10】059121073AB Coolant hose

【14】059121131S Joint, coolant

【19】059121149F SEAL 40X55X8 ASW LD ACM

【18】059121737AP Regulator

【18】059121737AR VALVE

【27】4D0133335 EXPANSION PLUG-65MM M271

【23】4E0121142 Spring, detent

【22】4E0121666 O RING

【1】8W0122055R RADIATOR HOSE/A3/GOLF/JETTA

【21】8W0122101A RADIATOR HOSE/A3/GOLF/JETTA

【20】N10196103 Bolt, oval

【13】N10335206 BOLT

【9】N10405604 Bolt, hexagon

【26】N10700201 Bolt, hexagon

【63】N90686902 Clip-band

【61】N90687001 Clip-band

【60】N90926401 Clip-band

【62】N90926501 Clip-band

【12】N91008401 O RING

【25】WHT001688D O-ring: