This is an updated pulley that comes with a reinforced plate to help eliminate vibration at the contact point with the mounting bolts.
if you are only needing the pulley without the plate click below:
E100005.1
Pulley, Gates Circulating Pump Malibu M5/M6 W/ Reinforcement Kit
![Pulley, Gates Circulating Pump Malibu M5/M6 W/ Reinforcement Kit](http://www.malibuparts.com/cdn/shop/products/E100005_01.jpg?v=1656435708&width=641)
Pulley, Gates Circulating Pump Malibu M5/M6 W/ Reinforcement Kit
![](http://www.malibuparts.com/cdn/shop/files/bwlogo.png?v=1701381968&width=230)
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