INA ZS-S1002 Engine Oil Pump Sprocket

INA Engine Oil Pump Sprocket ZS-S1002

The INA ZS-S1002 engine oil pump sprocket is a direct-fit timing gear component for select Mazda turbo applications. Built to OE-quality standards, it uses high-grade powdered metal, steel, or cast iron construction with heat treatment to precise hardness specifications.

Key Features

• Engine oil pump sprocket for timing system service
• OE-quality replacement from INA
• Constructed from powdered metal, steel, or cast iron depending on application
• Heat treated to exact hardness specifications
• Part number ZS-S1002 for easy identification

Compatible With Mazda Applications

• Fits 2007-2013 Mazda 3, N/A; INA Global Number 554 0321 100; Oil Pump Spkt.; Mazdaspeed
• Fits 2007-2012 Mazda CX-7, N/A; INA Global Number 554 0321 100; Oil Pump Spkt.
• Fits 2006-2007 Mazda 6, N/A; INA Global Number 554 0321 100; Oil Pump Spkt.; Mazdaspeed

This part cross-references 5540321100 for the same application.

Detailed Description

INA ZS-S1002 is an engine oil pump sprocket used in timing gear assemblies on select Mazda 3, Mazda CX-7, and Mazda 6 models. It is engineered to match OE fit and performance expectations, making it a practical replacement when servicing the oil pump drive in Mazdaspeed-equipped vehicles and other listed applications.

Common Replacement Reasons

• Worn or damaged oil pump sprocket teeth
• Timing system noise from sprocket wear
• Oil pump drive service during engine repair
• Restoration of proper oil pump drive engagement

Installation Notes and Quality Assurance

Verify engine application and timing component alignment before installation. Confirm the part number ZS-S1002 and match the vehicle to the listed Mazda fitment before assembly. INA timing gears and sprockets are manufactured to OE-quality standards using controlled materials and heat treatment for consistent hardness.