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Bellows versions
2 bellows variants have been installed as standard in the 911 Carrera (996) since the production launch (first version and new/current version).
The first version -A- with 2 rubber bellows -1 and 2- has been installed up to the vehicle identification numbers listed in the following (Y-range / in
the model year 2000).
F >>99YS6 00595
F >>99YS6 20336
F >>99YS6 40393
F >>99YS6 50545
This is a source reference. Confirm exact model applicability in the original material.