M5x ALUMINUM WATER PUMP PULLEY
The stock water pump pulley is plastic from the factory and has been known to crack over time from heat cycles and stress. The water pump is an important component of your cooling system, and can leave you stranded if something breaks. This aluminum water pump pulley is a direct replacement to the factory plastic one and is considerablay stronger to give you a piece of mind.
This is a great upgrade for track or high horespower cars.
Fitment: M50, S50, M52, S52, M54
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