What's the difference in lly and lbz fan clutch pulleys? 12625313 97309640 are the part numbers. Can an lly work on a lbz
Difference in fan clutch pulley assemblies.
- Thread starter x MadMAX DIESEL
- Start date
Pretty dang sure have the same size threads for the fan clutch. I don't know what could be different? mounting bolt pattern, pulley diameter?