GMB 3470-1257 Engine Timing Belt Kit with Water Pump

Engine Timing Belt Kit with Water Pump

GMB 3470-1257 is an OEM-standard engine timing belt kit with water pump for select Toyota and Lexus applications. It combines the timing belt, tensioner, hydraulic actuator, idler, balance shaft components, and water pump in one standard replacement kit for service work on the timing system.

• Includes timing belt, timing belt tensioner, hydraulic actuator, water pump, and water pump pulley
• OEM Standard item grade for OE-style service replacement
• Standard replacement timing set design
• Rubber timing belt material
• Water pump included for timing service replacement
• Balance shaft belt components included where equipped

Detailed Product Overview

Built to meet or exceed OEM specifications, this GMB timing belt kit is intended for timing system maintenance on vehicles that require coordinated replacement of the belt, tensioning components, and water pump. Part number 3470-1257 is a practical service solution for 2002-2006 Toyota Camry, 2004-2006 Toyota Sienna, 2004-2008 Toyota Solara, 2004-2010 Toyota Highlander, 2002-2003 Lexus ES300, 2004-2006 Lexus ES330, 2004-2006 Lexus RX330, and 2006-2008 Lexus RX400h. This part cross-references Gates TCKWP257A and Dayco WP257K3A for the same application.

What This Kit Helps Address

• Timing belt wear, cracking, or age-related deterioration
• Noise or loss of tension from worn timing belt tensioner components
• Coolant leaks from a failing water pump during timing service
• Service overlap when the timing belt and water pump are replaced together
• Balance shaft drive service on equipped engines

Installation Notes and Tips

Confirm engine code and exact fitment before installation, since timing components vary by engine configuration within the same model year. Replace related wear items during timing service, and follow factory timing marks and torque specifications during assembly. GMB 3470-1257 is a direct-fit service kit for the listed Toyota Highlander, Camry, Sienna, Solara, and Lexus ES/RX applications.

Quality Assurance

GMB manufactures this kit to meet or exceed OEM specifications and supplies it as an OEM-standard replacement timing service part.