GMB 170-1840 Engine Water Pump

Engine Water Pump for Toyota and Lexus Applications

The GMB 170-1840 engine water pump is an OEM-standard replacement built for Toyota and Lexus cooling system service. Manufactured to meet or exceed OEM specifications, it uses an aluminum housing and includes gaskets for a direct replacement on listed applications.

Key Features

• OEM Standard item grade for OE-style replacement service
• Aluminum construction for cooling system durability
• Gaskets included for installation on listed applications
• New condition part for maintenance or repair work
• Compatible with Lexus SC430, GX470, GS430, LS430, LS400, SC400 and Toyota 4Runner, Sequoia, Tundra, Land Cruiser applications

Detailed Description

GMB part number 170-1840 is an engine water pump for OEM replacement applications across a wide range of Toyota and Lexus vehicles. It is built to OEM Standard specifications and uses aluminum construction to support reliable coolant circulation in the engine cooling system. This water pump is a direct-fit service part for vehicles such as the 2000-2009 Toyota Tundra, 2003-2009 Toyota 4Runner, 1998-2007 Toyota Land Cruiser, and 2002-2010 Lexus SC430. This part cross-references Gates 18925 for the same application.

Common Repair Uses

• Coolant leakage from the water pump housing or gasket area
• Overheating caused by reduced coolant circulation
• Noise or bearing wear from a failing pump assembly
• Preventive cooling system service during timing or maintenance work
• Replacement for worn OEM water pump components on Toyota and Lexus engines

Installation Notes and Tips

Confirm engine application before installation, since fitment varies by model year and platform. Replace the water pump on a clean sealing surface and inspect the cooling system for contamination, hose wear, and gasket residue before reassembly. The package includes 2 paper gaskets and 2 O-rings; pulley is not included.

Quality Assurance

GMB manufactures this water pump to meet or exceed OEM specifications, with OEM Standard grading and new-condition construction for service replacement use.