INA ZS-S1019 Engine Timing Crankshaft Sprocket

INA ZS-S1019 Timing Crankshaft Sprocket

INA ZS-S1019 is an engine timing crankshaft sprocket built for OE-level fit and function in supported Mazda applications. It is made from powdered metal, steel, or cast iron and heat treated to exact hardness specifications for consistent timing system performance.

Key Features

• Engine timing crankshaft sprocket for valve train service
• OE-quality replacement from INA
• Heat-treated to exact hardness specifications
• Constructed from powdered metal, steel, or cast iron
• Includes inner and outer sprockets and spacers for listed Mazda Mazdaspeed applications
• Part number: ZS-S1019

Vehicle Fitment

• Fits 2007-2013 Mazda 3, N/A. INA Global Number 554 0660 100; Mazdaspeed; includes inner and outer sprockets and spacers.
• Fits 2007-2012 Mazda CX-7, N/A. INA Global Number 554 0660 100; includes inner and outer sprockets and spacers.
• Fits 2006-2007 Mazda 6, N/A. INA Global Number 554 0660 100; Mazdaspeed; includes inner and outer sprockets and spacers.

What This Part Helps Address

• Worn or damaged crankshaft sprocket teeth
• Timing chain drive noise from sprocket wear
• Incorrect cam/crank timing caused by sprocket deterioration
• Service replacement needs on Mazda Mazdaspeed timing systems
• Fitment-specific repair for Mazda 3, Mazda CX-7, and Mazda 6 timing components

Installation Notes

Confirm engine application and timing component layout before installation. This part number, ZS-S1019, cross-references INA Global Number 554 0660 100 for the same application. Because timing components affect engine synchronization, follow factory service procedures and verify alignment marks during assembly.

Quality Assurance

INA timing gears and sprockets are manufactured to meet or exceed OE quality and performance expectations, with materials and heat treatment selected for dimensional stability and durability in engine timing service.