Aisin TKF-005 has the 2 port pump and is otherwise identical to TKF-004 with the 3 port pump.
Mine started leaking around 145,000 due to bearing play. It is a do-able DIY driveway job.
Yes, Aisin TKH-002. I personally would only buy from Napa store or Carid.com. Napa is listed as authorized retail for my state. I personally wont trust rockauto for critical parts like this, I have has two experiences with previously used/tampered products from them. I can pay a little more from Carid.com and they shipped directly from Aisin warehouse, not Rockautos random low bid distributor. Amazon and Ebay have a bad reputation for fakes, no personal experience with that.
I use the same exact part that you bought. On mine I could see where they removed the word Lexus or Toyota from the mold. It's the same part as OEM. I replaced the water pump myself and it wasn't too bad but some of the bolts are difficult to get a socket on.
I used binder clips to hold the timing belt on the driver side cam gears instead of purchasing the tool. Purchased OEM thermostat from dealership and Aisin water pump / timing belt kit from RockAuto. First time doing one, was easier than I thought it was going to be.
If yours is the later style timing kit, get the Aisin kit from Rock. That kit is ALL OE supplier, including an Aisin water pump.
I ordered this water pump from aisin hoping to receive an oem quality part but it seems the molding is not of quality.
Sadly, I've gone through two water pumps on my 2012 Ford Explorer.
This is why I’ve avoided the 3.5/3.7 Duratec engines in transverse (front wheel drive) platforms. It’s just fine in rear wheel drive applications as those use an external pump driven by the serpentine belt.
Yup, that's happens when they decided to put water pump INSIDE the engine. Ask me why i would never own a newer Ford. Oh, and a timing belt cooled by engine oil, what could possibly ever go wrong? Last 10 years Ford has managed to come up dumbest engine designs.
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