Water pump AISIN or Hepu

vs

PartReview Score

No.1 in the rating

117

51

3

12

66

4.0

Leaks

3.3

Noise

3.2

Overheating

3.6

Owners' choice:

Toyota 4runner

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PartReview Score

No.3 in the rating

45

26

3

11

40

3.5

Leaks

2.9

Noise

3.6

Overheating

4.0

Owners' choice:

Volkswagen Phaeton

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Reviews found: 0

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AISIN

Hepu

AISIN › Water pump

DennisHakkie 8 Jan 2026, 14:22

Rating 5.0

When I drove a Volvo I just did a belt and water pump every year. OE Aisin one every time.

Pros: OE Aisin

Vehicle: Volvo

AISIN › Water pump

Surkovo20 5 Jan 2026, 17:15

Rating 5.0

Leaks:
Noise:
Overheating:

Aisin is what my shop used when mine started to die at 140k. No problems so far at 150k

Pros: no problems so far

Mileage: 150000 km

AISIN › Water pump

Network_ant 29 Dec 2025, 07:52

Rating 5.0

Go for Aisin, Toyota just repackages same pump so skip the brand tax.

Pros: skip the brand tax

Vehicle: Lexus

AISIN › Water pump

Trident_77 29 Dec 2025, 01:34

Rating 5.0

Aisin pump $67 on rockauto. I know they make a ton of Toyota OEM water pumps, not sure about this specific model.

Pros: OEM water pumps

Vehicle: Toyota

AISIN › Water pump

Unimurph83 11 Dec 2025, 02:56

Rating 5.0

I'd swap them out for multi-layer steel gaskets and new head bolts. Given the engine is in good order and hasn't had a gasket failure yet I'd say you'd be fine skipping the head decking and just install the new gaskets after a good cleaning.

Pros: good order, easy cleaning

Vehicle: Subaru

AISIN › Water pump

rjginca 8 Dec 2025, 01:21

Rating 5.0

Aisin is the maker of Toyota water pumps.

Pros: Toyota water pumps maker

AISIN › Water pump

ShellSide 8 Nov 2025, 23:21

Rating 3.0

Leaks:

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.

AISIN › Water pump

rts-90 25 Jan 2026, 17:44

Rating 2.0

Leaks:

I used the same kit on my tl and the water pump started leaking 2 years in.

Cons: water pump started leaking

AISIN › Water pump

rts-90 18 Jan 2026, 00:32

Rating 2.0

I went with a aisin kit and at the 2 year mark the water pump went.

Cons: water pump failure

AISIN › Water pump

Lxiflyby 16 Dec 2025, 23:51

Rating 2.0

Leaks:
Noise:
Overheating:

The Aisin kits are fine. I would not use a gates kit; the water pumps are junk and so are the tensioners

Pros: Aisin kits are fine

Cons: water pumps are junk

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