GMB 170-1840M Engine Water Pump

OE-Standard Water Pump for Toyota and Lexus V8s

This GMB engine water pump, part number 170-1840M, is built to meet or exceed OEM specifications for a direct-fit cooling system repair. It is an OEM Standard replacement made from aluminum and includes a pulley, gaskets, and O-rings for the listed applications.

Key Features

• Engine water pump for select Lexus and Toyota vehicles
• OEM Standard item grade for OE-style fit and function
• Aluminum construction for durable cooling system service
• Gaskets included for installation on supported applications
• Pulley included
• New condition
• Package contents: 1 paper gasket, 1 metal gasket, 2 O-rings

Detailed Description

GMB 170-1840M is an engine water pump engineered for cooling system service on a wide range of Toyota and Lexus V8 applications. It is manufactured to meet or exceed OEM specifications, making it a practical replacement for vehicles such as the Toyota Tundra, Toyota Sequoia, Toyota 4Runner, Lexus GX470, Lexus LX470, Lexus LS430, Lexus SC430, and related models listed in the fitment data. This part cross-references 1701840M and N701840M for the same application.

For buyers searching for a water pump for 2000-2009 Toyota Tundra, 2001-2009 Toyota Sequoia, or 2003-2009 Lexus GX470, this part number 170-1840M provides an OE-style service solution with the listed sealing components and pulley included.

What It Helps Address

• Coolant leakage from a worn or failing water pump
• Overheating caused by reduced coolant circulation
• Noisy or rough pump operation in the cooling system
• Service replacement during timing or cooling system maintenance
• Seal-related seepage at the pump mounting surface

Installation Notes and Tips

Verify engine fitment by year, make, and model before installation. Clean the mounting surface thoroughly and inspect the cooling system for contamination, belt wear, and hose condition before replacing the pump. Use the included gasket and O-ring components as specified for the application, and follow the vehicle service procedure for torque sequence and coolant refill.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications and supplies it as an OEM Standard replacement part. The aluminum construction and included sealing components support a proper service replacement for the listed Lexus and Toyota applications.