The AISIN kit is the same water pump and tensioner as the OEM equivalent with out the Honda stamped on it. I personally would still get the OEM timing and Drive belt though.
I’ve changed two water pumps with Aisin brand WP’s from EBay … about 120$ each … and I’ve done fine so far, logged over 100K on them first and then so,d the car. it’s still going strong. the second is going strong in my current car.
I traded in my first car earlier this year
Subaru impreza > audi s5 supercharged. Best decision ive made. The only real problem other than maintenance was the waterpump and pcv which are known failures with this specific engine
OP, I had my water pump replaced by an independent shop recently. I got the parts from FCP euro for cheaper and used Audi parts instead cause it’s the same damn thing.
The fel pro gasket set and head bolts + head bolt tool will be close to 300 and then you'll need RTV sealant. Another probably 200 for the Aisin water pump.
I remember on my S4 the water pump had a plastic impeller that was guaranteed to fail at some point. The aftermarket made one that was metal.
Get the OEM water pump, I had no luck with aftermarket Aishin. They leaked almost immediately.
Replaced with Asin, failed in 7k miles. The propeller disintegrated on the second one.
2013 A5 Cabriolet here. Most of what I read said the water pump should make it to around 100k. Mine went at around 85k.
My water pump in my 2020 S4 failed around 45K miles.
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