GMB 170-4000 Engine Water Pump

Engine Water Pump for Toyota and Lexus V8 Applications

This GMB engine water pump is built to meet or exceed OEM specifications for select Toyota and Lexus vehicles. It is an OEM-standard replacement for drivers servicing the cooling system on the Toyota Tundra, Toyota Sequoia, Toyota Land Cruiser, and Lexus LX570.

Key Features

• OEM Standard item grade for factory-style fit and function
• Aluminum construction for durable cooling system service
• Gaskets included for installation preparation
• Package contents: 1 metal gasket and 1 O-ring
• New condition replacement part
• No pulley included

Detailed Description

GMB Part Number 170-4000 is an engine water pump engineered for cooling system replacement on 2007-2021 Toyota Tundra, 2008-2022 Toyota Sequoia, 2008-2011 Toyota Land Cruiser, 2013-2021 Toyota Land Cruiser, 2008-2011 Lexus LX570, and 2013-2021 Lexus LX570. Manufactured to meet or exceed OEM specifications, this water pump is built for direct replacement service where factory-style performance and fitment matter. The aluminum housing supports dependable operation in demanding engine cooling applications, while the included gasket and O-ring help prepare the pump for installation.

This part cross-references Airtex AW6197 and Gates 42290 for the same application.

What It Helps Address

• Coolant circulation problems caused by a worn water pump
• Engine overheating related to reduced coolant flow
• Coolant seepage at the pump mounting surface
• Noisy or failing pump operation in the cooling system
• Service replacement for aging OEM water pump assemblies

Installation Notes and Tips

Verify engine application before installation, since fitment varies by model year and platform. Inspect the mating surface, replace worn coolant system components as needed, and confirm the gasket and O-ring seat correctly during assembly. Because no pulley is included, reuse or source the pulley separately if required by the vehicle setup.

Quality Assurance

This GMB water pump is manufactured to OEM-standard expectations and is intended as a direct replacement for the listed Toyota and Lexus applications. Part number 170-4000 is supplied new and built for consistent cooling system service.