INA ZS-S960T Engine Timing Camshaft Sprocket

INA Exhaust Camshaft Sprocket for Toyota

The INA ZS-S960T is an engine timing camshaft sprocket built for exhaust-side applications on select Toyota models. It is engineered to meet or exceed OE quality and performance expectations, with construction materials chosen for strength and heat-treated to precise hardness specifications.

Compatible With 2003-2015 Toyota 4Runner, Tacoma, Tundra, and 2007-2009 Toyota FJ Cruiser exhaust applications, this timing gear is a direct-fit service part for timing system repair. The INA ZS-S960T is also cross-referenced to part number 5540544100 for the same application.

• Engine timing camshaft sprocket for exhaust-side use
• OE-style fitment for select Toyota timing systems
• Made from powdered metal, steel, or cast iron depending on application design
• Heat treated to exact hardness specifications for consistent performance
• Fits Toyota Tacoma, Tundra, 4Runner, and FJ Cruiser applications listed below

Detailed Product Information

INA timing gears and sprockets are manufactured to match OE-level requirements for dimensional accuracy and durability. The ZS-S960T is intended for exhaust camshaft timing service on Toyota engines where precise valve timing is critical to engine operation. If you are replacing a worn or noisy sprocket on a Toyota Tacoma, Toyota Tundra, Toyota 4Runner, or Toyota FJ Cruiser, this part number provides a direct replacement option for the listed vehicles.

Vehicle Fitment

• Fits 2005-2015 Toyota Tacoma, exhaust.
• Fits 2005-2010 Toyota Tundra, exhaust.
• Fits 2003-2009 Toyota 4Runner, exhaust.
• Fits 2007-2009 Toyota FJ Cruiser, exhaust.

Common Repair Uses

• Replacing a worn exhaust camshaft sprocket
• Restoring proper camshaft timing on Toyota engines
• Addressing timing noise from a damaged sprocket
• Repairing timing system wear during engine service
• Matching OE-style timing components during rebuild work

Installation Notes and Tips

Verify engine code, timing marks, and exhaust-side application before installation. Timing components should be installed with the engine set to the correct timing position, and related wear items should be inspected at the same time. Confirm the part number ZS-S960T and the cross-reference 5540544100 against the vehicle’s timing system requirements before assembly.

Quality Assurance

INA manufactures timing sprockets using high-quality powdered metal, steel, or cast iron, with heat treatment controlled to exact hardness specifications. This part is built to meet OE quality and performance standards for the listed Toyota applications.