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Alternator and AC compressor Belt size & pn?

 
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mhariush  



Joined: 28 Mar 2016
Posts: 19
Location: Los Angeles

PostPosted: Wed Feb 12, 2025 8:15 am    Post subject: Alternator and AC compressor Belt size & pn? Reply with quote

I am having the toughest time finding the correct part numbers for these belts.

I'm about to change the water pump and timing belt on my 1978 and it only has 46k miles and a lot of the parts on it is original, including some of the belts...

Does anyone know the correct part numbers for the Alternator and The AC compressor belts?
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78 924, 87 944S, 89 944 Turbo, 08 Cayenne
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Mike9311  



Joined: 14 Dec 2004
Posts: 1798
Location: Chicago-ish

PostPosted: Wed Feb 12, 2025 9:10 am    Post subject: Reply with quote

Pretty sure this is the AC Belt 047260849

and I think this is the alternator belt 047903137 (V-BELT 9.5 X 888)
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1980 931 since 1989
1981 Ideola 931 Club Sport
1982 931 Entwicklungsfahrzeug
1979 924 NA ohne 650 mit 471
1982 931 Red Resurrection - 951 IC
1982 931 parts car / resurrection?
1980 924 NA (R&D lightweight)
1982 931 wana-be GTR race car
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mhariush  



Joined: 28 Mar 2016
Posts: 19
Location: Los Angeles

PostPosted: Fri Feb 14, 2025 11:27 am    Post subject: Reply with quote

Thanks. One of the belts, that look original says 9.5 x 771



and the other one, that looks like it has been replaced? reads 4-1666 but not sure if that's part of the part number or dimesions


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