INA FT40350 Accessory Drive Belt Tensioner

Accessory Drive Belt Tensioner for Toyota and Lexus

INA FT40350 is an accessory drive belt tensioner for FEAD systems on select Toyota and Lexus vehicles. It is built for high-load engine applications where stable belt control and vibration damping matter in tight installation spaces.

Compatible With 1998-2010 Lexus SC430, GX470, GS430, LX470, LS430, GS400, SC400 and 1998-2010 Toyota 4Runner, Sequoia, Tundra, Land Cruiser applications. This part cross-references Continental 49241 for the same application.

Key Features

• Accessory drive belt tensioner for front end auxiliary drive systems
• Supports vibration damping in compact engine bays
• OE-style replacement for select Lexus and Toyota models
• INA part number FT40350 for catalog and service matching
• Also referenced as INA Global Number 534 0350 100

Detailed Description

INA FT40350 is an accessory drive belt tensioner used in FEAD layouts that manage accessory belt routing on select Lexus and Toyota vehicles. It is specified for applications such as the Lexus SC430, GX470, GS430, LX470, LS430, GS400, SC400 and Toyota 4Runner, Sequoia, Tundra, and Land Cruiser, covering model years from 1998 through 2010. The tensioner helps maintain proper belt control in high-load engines where space is limited and consistent damping is important.

Use FT40350 when servicing the accessory drive belt system on compatible Lexus and Toyota platforms. The part number FT40350 is also useful when matching catalog listings, and the OE-style reference 534 0350 100 can help confirm application during parts lookup.

What It Helps Address

• Belt flutter or unstable belt tracking in the accessory drive system
• Noisy operation from a worn tensioner assembly
• Reduced belt tension control on high-load engines
• Service needs on FEAD systems with limited installation space
• Replacement of a tensioner matched to Lexus and Toyota belt drive layouts

Installation Notes and Tips

Verify belt routing and application by year, make, and model before installation. Inspect the accessory belt, pulleys, and adjacent drive components for wear before replacing the tensioner. Confirm the OE reference and part number FT40350 against the vehicle’s existing setup, especially on Lexus SC430, GX470, and Toyota Tundra or Land Cruiser applications.

Quality Assurance

INA focuses on FEAD solutions for modern high-load engines, with attention to vibration damping and compact packaging requirements. FT40350 is part of that OE-oriented component range for select Toyota and Lexus applications.