Continental TB257K2 Engine Timing Belt Kit

Continental TB257K2 Timing Belt Kit

The Continental TB257K2 is an engine timing belt kit built for select Toyota and Lexus applications that require a timing belt service without a water pump. It includes OEM-quality components such as the timing belt and tensioner, with timing marks for accurate alignment during service.

Compatible with 2001-2010 Toyota Highlander, 2006-2008 Lexus RX400h, 2004-2008 Toyota Solara, 2004-2006 Lexus ES330, 2004-2006 Lexus RX330, 2002-2006 Toyota Camry, 2004-2006 Toyota Sienna, and 2002-2003 Lexus ES300.

Key Features

• Continental Standard Kit timing belt service solution
• Engine timing belt kit with timing marks for setup and alignment
• Includes a curvilinear timing belt and tensioner
• OEM-quality components for valve train service
• Designed for interference engine applications
• Timing kit change interval: 90,000 miles
• Part number TB257K2 for easy identification

Detailed Description

Continental TB257K2 is a Standard Kit timing belt service package for select Toyota Camry, Toyota Highlander, Toyota Sienna, Toyota Solara, Lexus ES300, Lexus ES330, Lexus RX330, and Lexus RX400h models. The kit centers on a 1.26-inch wide, 66.46-inch long curvilinear timing belt and includes a tensioner to support proper belt control during scheduled maintenance. Timing marks are included to help with alignment during installation and service verification. This part cross-references Gates TCK257A for the same application.

As an engine timing belt kit in the valve train category, TB257K2 is intended for vehicles that require precise camshaft and crankshaft synchronization. It is a direct service part for applications listed above and is not supplied with a water pump.

Common Service Issues Addressed

• Worn or stretched timing belt
• Noisy or weak timing belt tensioner
• Loss of proper camshaft and crankshaft synchronization
• Scheduled timing belt replacement at 90,000-mile intervals
• Service on interference engines where timing accuracy is critical

Installation Notes and Tips

Verify engine code and vehicle fitment before installation, especially on Toyota Camry, Toyota Highlander, Toyota Sienna, and Lexus RX330 or RX400h applications. Follow factory timing procedures, use the timing marks provided, and inspect related components during service. This kit does not include a water pump, so confirm whether separate cooling system service is being performed at the same time.

Quality Assurance

Continental supplies OEM-quality timing components in its Standard Kit line, with parts selected for routine engine service and accurate fitment on the listed Toyota and Lexus applications. Part number TB257K2 is built for scheduled timing belt replacement and alignment-focused installation.