AISIN engine water pump WPT-044 for Toyota 4Runner/T100/Tacoma - with gasket, OE-quality, carbon-ceramic seal

AISIN WPT-044 is a brand-new, OE-quality engine water pump with gasket engineered to restore coolant circulation and durability for compatible Toyota 4Runner, T100, and Tacoma engines.

When an aging water pump causes overheating, noise, or coolant leaks, replacing it with a precision-built unit matters. The AISIN WPT-044 is manufactured from new components with upgraded materials and seals to resist corrosion, scaling, and wear. Its internal flow passages, bearing system, and ceramic-based seal are designed to provide steady coolant delivery and long service life consistent with original equipment standards.

How does this water pump improve coolant flow and engine protection?

The WPT-044’s impeller geometry and smoothed coolant channels promote efficient circulation through the cooling system, helping maintain stable engine temperatures under normal operating conditions. High-quality bearings and a carbon-ceramic mechanical seal reduce internal friction and prevent premature leakage.

• Optimized rotor/impeller profile for steady flow
• Ball-bearing assembly for reduced friction and longer life
• Carbon ceramic sealing to minimize coolant leaks
• Materials selected to resist rust, corrosion, and scaling

Is this pump a direct replacement for my Toyota vehicle?

The WPT-044 is designed to be compatible with specified Toyota models, but fitment depends on engine and model year variations. Always check the vehicle fitment tool or confirm part numbers before ordering to ensure a correct match.

• Compatible models include select Toyota 4Runner (1996–2000, 2010), T100 (1994–1998), and Tacoma (1995–2023)
• Includes gasket for straightforward installation where applicable
• Intended as an all-new, not remanufactured, replacement part

What makes AISIN’s construction reliable compared with aftermarket alternatives?

AISIN is a long-established OEM supplier with decades of experience producing cooling-system components. Their process emphasizes material selection and precision assembly to reduce the common failure modes that affect water pumps in service.

• Manufactured by a top global OE water pump supplier since 1965
• New-component construction—no remanufactured parts used
• Design choices aimed at resisting rust, corrosion, and coolant scaling
• Consistent quality control aligned with OE standards

What should I expect during installation and maintenance?

Installation normally follows standard water pump replacement procedures and is typically done by a trained technician or experienced DIYer familiar with Toyota cooling systems. Using the included gasket and fresh coolant during reassembly helps ensure a leak-free seal and long-term performance.

• Gasket included to simplify sealing the housing
• Replace thermostat and hoses as recommended for best results
• Bleed the cooling system per manufacturer instructions after installation
• Inspect pulleys and belt for wear when accessing the pump

Who is this for: The AISIN WPT-044 is a practical choice for owners, mechanics, and fleet managers seeking an OE-quality replacement water pump for compatible Toyota 4Runner, T100, and Tacoma vehicles. It suits anyone who wants a new-component assembly with improved seals and corrosion-resistant materials to reduce the likelihood of premature failure and maintain reliable cooling performance. Verify fitment for your specific engine and model year before purchase to ensure proper compatibility.