US Motor Works MCK1075 Water Pump & Fan Clutch Replacement Kit - Compatible with [Vehicle Models] - Durable Cooling System Parts for Smooth Engine Performance - Perfect for DIY Auto Repair & Maintenance

The water pump came with casting flash that blocked the heater passage. That should have been my first clue. The fact that it didn't come with replacement studs should have been my second clue. When installed, the pump immediately started making noise and the shaft started to wobble and started to leak from the seal. The pump was bad from the beginning.