GMB 170-2380AH Engine Water Pump

Engine Water Pump for Lexus GS300 and IS300

This GMB engine water pump, part number 170-2380AH, is built to meet or exceed OEM specifications for dependable cooling system service. It is a new, OEM standard metal water pump for Lexus GS300 and Lexus IS300 applications with housing included where listed in fitment.

Key Features

• GMB 170-2380AH engine water pump
• OEM standard item grade for OE-style replacement fit
• Metal construction for cooling system durability
• New product condition
• Gaskets not included
• Pulley not included

Fitment Details

• Fits 1998-2005 Lexus GS300, N/A, incl. housing.
• Fits 2001-2005 Lexus IS300, N/A, incl. housing.

This part cross-references Gates (e.g., 42307BH) for the same application. The 170-2380AH water pump is a direct-fit cooling system replacement for Lexus GS300 and Lexus IS300 models covered in the listed years, helping restore proper coolant circulation in engines that rely on a precise OE-style pump assembly.

What It Helps Address

• Coolant circulation problems caused by a worn water pump
• Engine overheating from reduced coolant flow
• Coolant leaks at the pump assembly
• Noisy or rough pump operation from internal wear
• Cooling system service needs on Lexus GS300 and IS300 vehicles

Installation Notes

Verify engine application and housing configuration before installation. Gaskets are not included, and the pulley is not included, so confirm all required sealing components and related parts are on hand before service. Follow factory torque procedures and refill the cooling system with the correct coolant after installation.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications, with OEM standard construction intended for consistent fit and function in the specified Lexus applications.