GMB 3470-0257 Engine Timing Belt Kit with Water Pump

Timing Belt Kit with Water Pump for Toyota and Lexus

GMB 3470-0257 is an OEM-standard engine timing belt kit with water pump for select Toyota and Lexus applications. It combines the core timing components needed for service on Camry, Avalon, Sienna, Solara, ES300, and RX300 models, with parts manufactured to meet or exceed OEM specifications.

Key Features

• Includes timing belt, timing belt tensioner, hydraulic actuator, water pump, and water pump pulley
• OEM Standard item grade for service-level replacement
• Standard replacement timing set design
• Rubber timing belt construction
• Water pump included for a complete timing service
• Balance shaft components included where required by application

Detailed Description

This GMB timing belt kit with water pump, part number 3470-0257, is built for direct service replacement on 1994-2001 Lexus ES300, 1999-2003 Lexus RX300, 1995-2004 Toyota Avalon, 1994-2001 Toyota Camry, 1998-2003 Toyota Sienna, and 1999-2003 Toyota Solara. It is a practical choice for timing belt service on Toyota and Lexus V6 applications that require coordinated replacement of the belt, tensioning components, and water pump during maintenance. This part cross-references Gates TCKWP257 and Dayco WP257K1A for the same application.

Common Repair Uses

• Replacing a worn or age-cracked timing belt
• Addressing timing belt tensioner noise or loss of tension
• Servicing a leaking or noisy water pump during timing maintenance
• Restoring proper engine timing on high-mileage Toyota and Lexus engines
• Correcting belt-related drivability issues caused by timing component wear

Installation Notes

Verify engine code and vehicle application before installation. Replace timing components as a complete service when access is already open, and follow factory timing marks and torque specifications during assembly. Inspect related pulleys, seals, and coolant condition before returning the vehicle to service. Fits 1994-2001 Lexus ES300, 1999-2003 Lexus RX300, 1995-2004 Toyota Avalon, 1994-2001 Toyota Camry, 1998-2003 Toyota Sienna, and 1999-2003 Toyota Solara.

Quality Assurance

GMB states this kit is manufactured to meet or exceed OEM specifications, with an OEM Standard grade for service replacement confidence.