Dayco 85004 Engine Timing Belt Tensioner Hydraulic Assembly

Hydraulic Timing Belt Actuator for Mazda and Ford

Dayco 85004 is a hydraulic timing belt actuator for select Mazda and Ford applications. It is used in engine timing systems where stable belt tension is critical for accurate valve timing and smooth operation.

Compatible With 1993-2002 Mazda 626, 1995-2002 Mazda Millenia, 1993-1997 Ford Probe, 1993-1997 Mazda MX-6, and 1992-1994 Mazda MX-3. This Dayco hydraulic timing belt actuator 85004 is a direct-fit timing belt tensioner hydraulic assembly for listed vehicles.

Key Features

• Hydraulic timing belt actuator for engine valve train service
• Supports proper timing belt tension control
• Application-specific fitment for select Mazda 626, Millenia, MX-6, MX-3, and Ford Probe models
• Cross-references Gates T43114 and Cloyes 9-5324 for the same application
• Dayco part number 85004 for catalog and service lookup

Detailed Description

Dayco 85004 is an engine timing belt tensioner hydraulic assembly used in timing belt-driven valve train systems. It is specified for a broad range of Mazda and Ford vehicles, including the Mazda 626, Mazda Millenia, Mazda MX-6, Mazda MX-3, and Ford Probe. For buyers searching by vehicle fitment, this hydraulic timing belt actuator for Mazda 626 and Mazda MX-6 applications provides the correct service part reference for the listed model years.

This part cross-references Gates T43114 and Cloyes 9-5324 for the same application. Use the Dayco 85004 part number when matching timing belt service components for these engines.

What It Helps Address

• Timing belt slack or inconsistent belt tension
• Noise from a worn hydraulic timing belt actuator
• Incorrect valve timing caused by tensioner wear
• Timing belt service on Mazda and Ford engine applications
• Replacement of a leaking or weakened hydraulic tensioner assembly

Installation Notes and Tips

Verify engine code, model year, and timing system layout before ordering. Replace the hydraulic timing belt actuator during timing belt service when the existing unit shows wear, leakage, or loss of tension control. Follow the vehicle service manual for timing marks, belt routing, and torque specifications during installation.

Quality Assurance

Dayco manufactures engine timing components for service applications, and this hydraulic timing belt actuator is cataloged for the listed vehicle fitments under part number 85004.