Water pump OEM FORD or Hepu

Water pump if stock would have a plastic impeller known to fail, but you can find metal impeller options from Graf and Hepu brands and from other aftermarket brands too.

in the last 10+ years have been using HEPU waterpumps.

Ive reinstalled another new HEPU(made in germany) pump due to mileage. I don't think anything is wrong with the old one. When I cleaned the o-ring seal contact area on the block it was corroded right where it left an imprint.

If you're worried, replace both the water pump and thermostat. I would use a Mahle, Facet, or Wahler thermostat, and either a Hepu or Graf water pump.

I just had the alternator (bearing went bad) and water pump changed (coolant leaking through the weep hole). Still the original block.

In the 11000 or so km i have driven the vehicle i have already had 1) Water pump replacement, 2) Front engine cover slow leak ( awaiting parts on backorder) & 2 inspections covered under warranty.

Here’s my experience with the 2019 for what it’s worth:

Bought a 2019 with 5.0, xlt with 20k miles for $41k in Aug 2022.

-Water pump and vct’s replaced at 50k miles.

-New engine at 98k miles due to oil consumption (2 dealerships and 4 months later). Replaced in Aug of 2024

-102k miles the trans started acting funny, fully grenading at 112k miles. Replaced Feb of 2025

-126k miles and the transmission cooler fails midway through a 3hour trip with the pop up camper and family in tow.

The water pump was defective as well upon diagnostic. Leak in coolant as well. 2022 with 20k miles.

The part they had sent to replace for a recall leaked all of the coolant out. Luckily the tech caught it and ordered another part.

Had my water pump go out around 29K miles this past winter. My coolant was very low and my heat was working properly. Luckily I was still under warranty. Keep an eye on that water pump. They’re notorious for failing.