90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989)
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install the following ignition control unit
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Part number 443 907 397L
For Audi 100 vehicles built after the following VIN number:
VIN 44 - KN250000
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install the following ignition control unit
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Part number 443 907 397M
CAUTION
Part numbers are for reference only. Always check with the Parts Department for the latest information.