INA ZT-91222 Engine Timing Chain Tensioner - Lower or Primary

INA ZT-91222 Timing Chain Tensioner

INA ZT-91222 is an engine timing chain tensioner for select Lexus and Toyota applications. It supports accurate timing drive operation in vehicles such as the Lexus IS350 and Toyota 4Runner, helping maintain proper gear ratio control in the valve train.

• Engine timing chain tensioner for select Lexus and Toyota V6 applications
• INA Global Number 551 0439 100 cross-reference
• Fits primary and lower timing drive positions, depending on application
• Built for reliable chain drive operation with low maintenance requirements
• Part number: ZT-91222

Application Details

• Fits 2006-2016 Lexus IS350, Primary
• Fits 2007-2011 Lexus GS350, Primary
• Fits 2013-2015 Lexus GS350, Primary
• Fits 2007-2011 Lexus GS450h, Primary
• Fits 2015 Lexus RC350, Primary
• Fits 2010-2016 Toyota 4Runner, Lower
• Fits 2010-2014 Toyota FJ Cruiser, Lower
• Fits 2011-2014 Toyota Tundra, Lower

What It Helps Address

• Timing chain slack or inconsistent chain tension
• Noise from a worn timing drive component
• Incorrect valve timing caused by tensioner wear
• Reduced timing drive reliability in high-mileage engines

Installation Notes

Verify engine code, timing drive position, and OE cross-reference before installation. This part cross-references INA Global Number 551 0439 100 for the same application. Follow factory service procedures for timing alignment and tensioner setup.

Quality Assurance

INA supplies timing drive repair solutions focused on accurate power transmission, dependable operation, and reduced maintenance needs in chain and belt drive systems.