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NAPA Alternator Belt cross reference


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Went to NAPA for spare alternator belt. They gave me a part number...040233 which is 14mm x 620mm which they had cross-referenced to the Contitech that is listed in the R1100RT spare parts list. I didn't see NAPA in that list, is this really the right cross reference?


Easier to take back now than to find out on the road somewhere...



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OEM is 4K611.


4 means 4 V ribs and 611, 611 mm long


There should be something like 4K620 or PK4-620 written on yours.


It is 9 mm too long but may be the tensioning mechanism can take this up.


Ride safe,

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The extra 9mm is no problem for the takeup and greatly eases replacement if your spooning it on ala Jamie. A 13mm box socket and a little tire iron from an old airhead tool kit make the process painless.

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Isatis & ShovelStrokeED

Thanks to you both for the quick reply. I just happen to have an ole airhead in the corral too...Thanks for the tip.

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