INA ZT-9-5549 Engine Timing Chain Tensioner

Engine Timing Chain Tensioner for Ford, Mazda, Mercury

INA ZT-9-5549 is an engine timing chain tensioner for select Ford, Mazda, Mercury, Lincoln, and Jaguar applications. It supports stable timing drive operation by maintaining proper chain tension for consistent gear ratio control and reliable power transmission.

Key Features

• Engine timing chain tensioner for valve train service
• Hydraulic design on listed applications
• Supports accurate timing drive operation
• Built for low-maintenance service intervals
• INA part number ZT-9-5549

Detailed Description

INA ZT-9-5549 is a timing chain tensioner used in the engine timing drive to help maintain correct chain tension across a wide range of vehicles. Compatible With 2006-2009 Ford Fusion, 2001-2008 Ford Escape, and 2003-2007 Mazda 6 applications, it is also listed for Mercury Milan, Mercury Mariner, and other select models. This part cross-references 5510498100 for the same application. The INA ZT-9-5549 is a practical replacement for timing service where consistent chain control is required.

What It Helps Address

• Timing chain slack
• Noise from a worn timing drive
• Irregular camshaft and crankshaft synchronization
• Reduced timing drive stability
• Service replacement for hydraulic tensioner wear

Installation Notes and Tips

• Verify engine code and timing drive configuration before ordering.
• Confirm the exact vehicle listing, since fitment varies by year and model.
• Inspect the timing chain, guides, and related valve train components during service.
• Follow factory timing procedures and torque specifications during installation.

Quality Assurance

INA supplies repair solutions for chain and belt drive components with an emphasis on correct gear ratios, reliable operation, and low maintenance requirements.