INA ZT-9-5742 Engine Timing Chain Tensioner

Engine Timing Chain Tensioner for Mazda Applications

INA ZT-9-5742 is an engine timing chain tensioner built for select Mazda turbo and performance applications. It supports stable timing drive operation by helping maintain proper chain tension for consistent gear relationship and reliable power transfer.

• Engine timing chain tensioner for the timing drive
• Fits 2007-2013 Mazda 3, N/A, Mazdaspeed
• Fits 2007-2012 Mazda CX-7, N/A
• Fits 2006-2007 Mazda 6, N/A, Mazdaspeed
• INA Global Number 551 0406 100

Detailed Product Overview

INA ZT-9-5742 is a timing chain tensioner for engine valve train service, engineered for Mazda 3 Mazdaspeed, Mazda CX-7, and Mazda 6 Mazdaspeed applications listed in the fitment data. It is part of INA’s repair-solution approach for chain and belt drive components, focusing on correct gear ratios, dependable timing drive operation, and lower maintenance demands through a matched component strategy. This part cross-references 5510406100 for the same application.

Common Problems This Part Can Address

• Timing chain slack in the engine timing drive
• Noise from a worn or unstable chain tensioner
• Incorrect chain control affecting valve timing consistency
• Service replacement for a failed timing drive tensioner
• Restoring proper tension in Mazda Mazdaspeed timing systems

Installation Notes and Tips

Verify engine code and timing drive layout before ordering. Replace the tensioner only after confirming chain condition, guide wear, and related timing components, since worn parts in the same system can affect performance after installation. Follow factory timing procedures and torque specifications during service.

Quality Assurance

INA supplies timing drive components as part of a repair-focused product range for chain and belt systems. ZT-9-5742 is identified by INA Global Number 551 0406 100 and is built for consistent timing drive function in the listed Mazda applications.