INA ZG-9-5391 Engine Timing Chain Tensioner

INA Timing Chain Tensioner for Ford and Lincoln

INA ZG-9-5391 is an engine timing chain tensioner component for select Ford and Lincoln applications. It is built to meet or exceed OE quality and performance expectations, with plastic material formulated to match OEM PA66 and PA46 hardness requirements.

Key Features

• Engine timing chain tensioner component from INA
• OE-style material specification for proper hardness and wear characteristics
• Designed for select Ford GT, Mustang, Navigator, and Blackwood applications
• Part number ZG-9-5391 for accurate ordering and service lookup
• Cross-reference: 5550118100

Detailed Description

This INA timing chain tensioner is used in valve train service where chain control and consistent tension are required. It fits 2005-2006 Ford GT, 2000 Ford Mustang, 1999-2004 Lincoln Navigator, and 2002 Lincoln Blackwood. The ZG-9-5391 designation helps confirm the correct timing chain guide/tensioner application for Ford and Lincoln engines with the listed OE-style configuration notes.

INA ZG-9-5391 is a practical replacement choice when servicing timing chain guide and tensioner assemblies on Ford GT, Ford Mustang, Lincoln Navigator, and Lincoln Blackwood models. The part is engineered around OEM-grade plastic material standards to maintain the hardness needed for valve train operation.

What It Helps Address

• Timing chain slack or inconsistent chain tension
• Noise from worn timing chain guide and tensioner components
• Valve train timing instability caused by aged plastic guide material
• Service replacement for OE-style timing chain tensioner wear

Installation Notes and Tips

Verify engine code, timing system layout, and OE reference before installation. Confirm fitment by year, make, and model: Fits 2005-2006 Ford GT; Fits 2000 Ford Mustang; Fits 1999-2004 Lincoln Navigator; Fits 2002 Lincoln Blackwood. Use the part number ZG-9-5391 and the cross-reference 5550118100 to confirm the correct application before disassembly.

Quality Assurance

INA states that this timing chain guide/tensioner component is made to meet or exceed OE quality and performance, with plastic material matched to OEM PA66 and PA46 grade requirements for material and hardness.