INA ZT-91099 Engine Timing Chain Tensioner - Left

Engine Timing Chain Tensioner for Toyota and Lexus

The INA ZT-91099 engine timing chain tensioner is a direct-fit timing drive component for select Toyota and Lexus V8 applications. It is built for the left-side timing drive on covered vehicles and supports stable chain control for consistent valve timing.

Compatible with 2007-2017 Toyota Tundra, left, and other listed Toyota Land Cruiser, Toyota Sequoia, Lexus LX570, Lexus GS460, and Lexus LS460 applications, this part number ZT-91099 is a practical OE-style service solution for timing drive repair.

Key Features

• INA timing chain tensioner for engine valve train service
• Left-side application for listed Toyota and Lexus vehicles
• Supports proper timing drive gear ratio control
• Built for reliable operation with low maintenance requirements
• Cross-references INA Global Number 551 0433 100

Detailed Description

INA ZT-91099 is part of a repair-focused timing drive solution for chain and belt drive components. In the timing system, the tensioner helps maintain chain control so the engine can keep correct camshaft and crankshaft synchronization. That makes it a relevant replacement when servicing the timing drive on a Toyota Tundra, Toyota Sequoia, or Lexus LX570 with the matching left-side configuration.

This part cross-references 5510433100 for the same application. Use part number ZT-91099 when matching the correct timing chain tensioner for the vehicle and engine layout.

What It Helps Address

• Timing chain slack or inconsistent chain tension
• Noise from a worn timing drive assembly
• Incorrect valve timing caused by tensioner wear
• Service needs during timing chain repair
• Replacement of a left-side timing chain tensioner on listed Toyota and Lexus models

Installation Notes and Tips

Verify engine code, side, and model year before ordering. Confirm the left-side application and match the vehicle against the fitment list for Toyota Tundra, Toyota Sequoia, Toyota Land Cruiser, Lexus LX570, Lexus GS460, and Lexus LS460. Timing system service should follow factory procedures, including proper chain alignment and tension verification after installation.

Quality Assurance

INA supplies timing drive components engineered for accurate gear ratio control and dependable service life in repair applications. Part number ZT-91099 is built for the listed fitments and supports a professional timing system repair.