INA ZP-9-5478 Engine Timing Idler - Lower or Upper

INA ZP-9-5478 Engine Timing Idler

INA ZP-9-5478 is an engine timing idler for belt-drive timing systems. It supports accurate gear ratio transfer in the timing drive, helping maintain consistent engine timing with low-maintenance operation.

Key Features

• Engine timing idler for the valve train timing drive
• Supports power transmission in chain and belt drive systems
• Built for reliable timing operation and reduced maintenance demands
• INA Global Number 532 1037 100
• Part number: ZP-9-5478

Detailed Description

This INA timing idler is a direct-fit timing drive component for select Ford, Mazda, and Mercury applications. It is used in belt-driven timing systems to help maintain the correct relationship between rotating engine components. Compatible applications include 2001-2004 Ford Escape, lower; 2001-2004 Mazda Tribute, upper; 1999-2002 Ford Escort, lower; 2000-2002 Ford Focus, lower; 1999-2002 Mercury Cougar, lower; 1999-2000 Ford Contour, lower; and 1999-2000 Mercury Mystique, lower. This part cross-references 5321037100 for the same application. ZP-9-5478 is a practical replacement choice when servicing the timing drive on Ford Focus, Ford Escape, and related vehicles.

What It Is Used For

• Timing belt noise or rough pulley operation
• Worn or damaged idler pulley surfaces
• Incorrect timing drive tension routing
• Service replacement during timing belt maintenance
• Restoring stable belt tracking in the timing system

Installation Notes

Verify engine code, position, and belt-drive configuration before installation. Match the lower or upper location exactly to the vehicle application listed above. Inspect the timing belt and related drive components during service, and replace worn parts as a set when required by the repair procedure.

Quality Assurance

INA supplies timing-drive repair solutions for chain and belt systems with an emphasis on correct gear ratios, dependable operation, and low maintenance requirements.