Water pump AISIN or GRAF

GRAF Water pump

GRAF makes this particular pump without the magnetic impeller, and it’s the best option.

Pros: best option, no magnetic impeller
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AISIN Water pump

The AISIN WPT-190 I bought on Amazon for $142 was was legit OEM. AISIN box etc. Toyota was scratched off the unit as expected.

Pros: legit OEM, AISIN box
Part number: WPT-190
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AISIN Water pump

AISIN WPT-190 is $143 on Amazon. Directly comparing it with one from bought from dealer. Aside from the box, they look identical with the same plastic wrap.

Pros: looks identical to dealer
Part number: WPT-190
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AISIN Water pump

Aisin. The bearings in the idlers are better, the tensioner is better, and the water pump wont fail on you in 20k miles.

Pros: better bearings, tensioner
Cons: water pump fails
Mileage: 20000 km
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AISIN Water pump

Use a good pump like a Aisin, cause you don’t want to do it again in a year.

Pros: good pump, avoid redoing
Cons: potential future failure
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GRAF Water pump

Yeah... That Graf pump did not work out... Had to remove Graf pump and get the proper pump from local VW dealer.

Cons: did not work out
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GRAF Water pump
goon470
  • Overheating:
Rating 1.0

I had a Graf pump as well and it blew up less than a year later, literally the shaft blew off while I was in traffic.

Cons: blew up, shaft broke
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