INA ZT-9117 Engine Timing Idler - Upper

INA ZT-9117 Engine Timing Idler

INA ZT-9117 is an engine timing idler for belt-drive timing systems. It is built for precise gear ratio control in the timing drive, helping maintain reliable power transmission in supported Toyota applications.

Key Features

• Engine timing idler for the valve train timing drive
• Supports accurate belt routing and timing drive operation
• Engineered for low-maintenance service life
• INA Global Number 531 0178 200
• Part number: ZT-9117

Fitment

• Fits 1984-1985 Toyota Camry, Upper
• Fits 1986 Toyota Camry, Upper
• Fits 1984-1985 Toyota Corolla, Upper

Detailed Description

INA ZT-9117 is a timing idler used in belt-driven engine timing systems to help maintain correct timing-drive geometry and power transfer. This part cross-references 5310178200 for the same application. It is listed for upper-position use on 1984-1985 Toyota Camry, 1986 Toyota Camry, and 1984-1985 Toyota Corolla models, making it a direct-fit service part for those specific vehicles. The ZT-9117 part number is also identified by INA Global Number 531 0178 200.

What It Helps Address

• Timing belt tracking issues
• Noise from a worn timing idler
• Incorrect belt alignment in the upper timing drive
• Loss of smooth timing-drive operation
• Service replacement for worn belt-drive components

Installation Notes and Tips

Verify engine code, belt-drive layout, and upper-position placement before installation. Inspect the timing belt and related drive components at the same time, and replace any worn parts found during service. Follow the vehicle service manual for timing marks, torque values, and belt tension procedures.

Quality Assurance

INA supplies repair solutions for chain and belt drive components in timing systems, with an emphasis on correct gear ratios, dependable operation, and reduced maintenance needs.