AISIN Engine Water Pump P/N:WPT-023
AISIN WPT-100 water pump for the 1995-2004 Toyota Tacoma V6 3.4L and other vehicles circulates coolant through the engine. This engine water pump assembly is OE engineered and manufactured by AISIN, the largest OE water pump manufacturer in the world.
A coolant leak at the pump, a whine from the engine or overheating can mean the water pump is wearing out. Those signs alone do not prove the pump is at fault, since a stuck thermostat can cause overheating too.
The 1995-2004 Toyota Tacoma V6 3.4L and the 1996-2002 Toyota 4Runner V6 3.4L take this water pump, and as a Tundra water pump it covers the 2000-2004 model with the V6 3.4L, along with other vehicles. The 1995-2004 Toyota Tacoma V6 3.4L takes one.
Fit and size
Build and materials
Interchange: 252-540 · 131-2216 · 170-1970 · 16100-69395 · 16100-69395-83 · 16100-69396 · 16100-69397 · 16100-69398 · 16100-69398-83 · 16100-69545
WP9152 · AW9324 · 9324 · 5553416 · 181484 · 42250 · 224060
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This part cross-references / interchanges with the following part numbers:
Will this Toyota Tacoma water pump fit a 1995-2004 model with the V6 3.4L?
Yes. The AISIN WPT-100 is made for the 1995-2004 Toyota Tacoma V6 3.4L, and that engine takes one pump.
Does the AISIN WPT-100 work as a 4Runner water pump on a 1996-2002 model with the V6 3.4L?
Yes, the AISIN WPT-100 fits the 1996-2002 Toyota 4Runner V6 3.4L. If your vehicle is something else, enter its year and engine in the "Vehicles it fits" section to see whether it matches.
What is the AISIN WPT-100 water pump made of?
This water pump is aluminum die-cast, which reduces weight and adds strength.
What can a worn water pump look like on the engine?
With the engine off and cool, look for coolant residue around the pump. A whining noise or overheating while driving can also be signs of a worn pump.
Is 16100-69395 an interchange number for this AISIN water pump?
Yes. 16100-69395 is on the interchange list for the AISIN WPT-100, which also includes 16100-69398 and 252-540.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.