AISIN WPT-137 water pump for the 2006-2015 Lexus IS250 V6 2.5L and other vehicles circulates coolant through the engine. The assembly is OE engineered and manufactured.
- Aluminum die-cast construction for weight reduction and added strength
- Water pump assembly sold as a single unit
Quick facts
- Part: AISIN WPT-137 water pump
- Also called: engine water pump
- Fits: 2006-2015 Lexus IS250 V6 2.5L and other vehicles
- Material: Aluminum die-cast
- Condition: New
A coolant leak at the pump, a whine or grinding noise, or an engine running hot can mean the pump is wearing out. Other components can produce similar symptoms, so with the engine off and cool, look for coolant stains or crusty residue around the pump before replacing it. Each engine takes one water pump, and this listing is one.
Fits
The vehicles it fits include the 2006-2015 Lexus IS250 V6 2.5L, the 2013-2018 Lexus GS450h V6 3.5L and the 2015-2018 Lexus RC350 V6 3.5L. If your Lexus is not named here, enter its year and engine in the "Vehicles it fits" section.
Specifications
- Quantity per vehicle: 1
- Type: Water pump assembly
- Construction: Aluminum die-cast
- Condition: New
Interchange: 16100-39435 · 16100-39436
44050
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
44050, WPT-137, 16100-39435, 16100-39436
Frequently Asked Questions
Is the AISIN WPT-137 a water pump for the 2006-2015 Lexus IS250 V6 2.5L?
Yes. AISIN WPT-137 is listed for the 2006-2015 Lexus IS250 V6 2.5L, and each engine takes one pump. Use the "Vehicles it fits" section to look up other Lexus years and engines.
Is the AISIN WPT-137 water pump made of aluminum?
Yes. This water pump is aluminum die-cast, which gives it weight reduction and added strength.
Does the number 16100-39435 cross to this water pump?
Yes. 16100-39435 is an interchange number for AISIN WPT-137, along with 16100-39436 and 44050.
What can a failing engine water pump sound or look like?
A whine or grinding noise, coolant seepage near the pump or an engine running hot can come from a worn pump, though other parts can cause them too. A shop can pressure-test the cooling system.
Is the AISIN WPT-137 an OE engineered water pump?
Yes. AISIN WPT-137 is OE engineered and manufactured, and AISIN is the largest OE water pump manufacturer in the world.
