My owner's manual indicates that the v-belts are to be 9.5x600 LA and 9.5x643 LA.� I have not been able to find these sizes anywhere.� 10mm, yes, sometimes, but not both sizes from the same place even.� I have found little to no information about belt sizes on the i-net.� Some mfr's websites "hint" that the 10mm are actually 9.5mm wide (Bando, I think).� Here is some handy info about belts and pulleys, that also indicates 9.5 being the actual standard width, along with 12mm http://www.gizmology.net/pulleysbelts.htm�and that you should not change belt widths.
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Questions:
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There is only .5mm difference between the two sizes.� Is this significant and/or did VW just pull that size out of a hat, even though 10mm width belts were common at that time as well.� Air cooled (at least some) are called out as 10mm.
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Why does no-one, including VW parts suppliers, list these belts?
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Any sources for 9.5 belts?� I would like to use Conti, but there are NO retail sellers of Conti in this country that I could find.� Their "local" office for the US is in Thailand, I think.
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I humbly await someone to educate me about this.