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Unifap Code 
Replacement / Starter / Alternator Number
3.509
Pulleys - Alternator
REPLACEMENT CODES
SPECIFICATIONS
Number of Grooves
2
Total Diameter (mm)
90.0
Hole Diameter (mm)
30.0
Total Width (mm)
46.0
Keyway
With Keyway
Alternators
BOSCH
Application
MERCEDES-BENZ
1013 (5.7), 1850 (14.6), 2534 (9.6), 2538 (14.6), 2550 (14.6), 3550 (14.6), O 303, O 345 (12.0), O 350, O 402 (6.0), O 404, O 405, O 407 (12.0), O 408 (12.0), O 530, O 580 (RH)
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