Air con repair question

[dieselfitter251]

anybody know what the different letters refer to in these part numbers? it's for refrigerant hoses in the aircon system.

8D0260701H/C

8D0260707H/C

thanks folks...

• http://www.vagcat.com/epc/cat/au/A4Q/1997/157/50/1769368/

 

[Phantom_A4]

Possibly compressor, as they run directly from it?

 

[dieselfitter251]

hmmm. not sure. Will check that out though.. cheers...

 

[dieselfitter251]

I think I've got it...
..not used to etka but I think it might relate to a the chassis no when part change/mod happened..
if you're interested.