Review on ACDelco TCKWP298 Professional Timing Tensioners by Rob Sanchez

Aisin slightly inferior. I installed it and the bearings are leaking after a few days. I guess it was just a "rare" faulty part so when in doubt I'll give them 3 stars. I replaced it with Aisin which worked great. Comparing the water pump design to Aisin, the Delco AC is hollowed out in several places; it doesn't seem that strong. Aisin is also an original equipment manufacturer for Toyota.