Continental K49424A Serpentine Belt Drive Component Kit - Accessory Drive

Serpentine Belt Drive Restoration Kit

Restore the accessory drive system with this Continental serpentine belt drive component kit. Continental K49424A is built to OE form, fit, and function, making it a direct-service solution for worn belt drive components on select Toyota and Lexus applications.

• Includes a drive belt, tensioner, and idler pulleys for accessory drive service
• OE-style fitment and component layout for factory-style replacement
• 7-groove belt design with 82.50 in. belt length
• Steel pulley construction with smooth pulley surface type
• Designed for accessory drive system repair on Toyota Avalon, Camry, Sienna, Tundra, and Lexus RX350 applications

Detailed Product Overview

Continental K49424A is a serpentine belt drive component kit for restoring the accessory drive system to OEM performance. It combines the belt, tensioner, and idler pulleys into one service package, helping address common wear points in the belt drive path. The belt uses a 7-groove profile and measures 82.50 inches in length, while the pulleys feature a 2.76-inch outside diameter, 1.32-inch width, and steel construction with a smooth surface. This part cross-references Continental ADK0003P and Gates 90K-38410A for the same application. Continental K49424A is a practical choice for Toyota Avalon, Toyota Camry, Toyota Sienna, Toyota Tundra, and Lexus RX350 accessory drive service.

Common Issues This Kit Can Address

• Squealing or chirping from a worn serpentine belt
• Belt tracking problems caused by aging idler pulleys
• Loss of belt tension from a fatigued tensioner assembly
• Accessory drive noise during engine operation
• Visible wear, glazing, or cracking in belt drive components

Installation Notes and Tips

Verify belt routing and accessory drive layout before installation. Inspect the pulley surfaces, tensioner movement, and adjacent accessory components for wear before reassembly. For best results, replace related belt drive parts together when service wear is present. Confirm vehicle application by year, make, model, and accessory drive configuration before ordering Continental K49424A.

Quality Assurance

Continental K49424A is engineered to OE form, fit, and function for factory-style service on the listed applications. It is built as a replacement kit for restoring accessory drive performance on compatible Toyota and Lexus vehicles.

Vehicle Fitment

• Fits 2005-2012 Toyota Avalon, Accessory Drive. Kit includes Poly-V, tensioner assembly and idler pulleys.
• Fits 2007-2011 Toyota Camry, Accessory Drive. Kit includes Poly-V, tensioner assembly and idler pulleys.
• Fits 2011 Toyota Tundra, Accessory Drive. 10-1-2010; kit includes Poly-V, tensioner assembly and idler pulleys.
• Fits 2007-2010 Toyota Sienna, Accessory Drive. Kit includes Poly-V, tensioner assembly and idler pulleys.
• Fits 2007-2009 Lexus RX350, Accessory Drive. Kit includes Poly-V, tensioner assembly and idler pulleys.