Dayco 85046 Engine Timing Belt Tensioner Hydraulic Assembly

Hydraulic Timing Belt Actuator for Toyota Applications

Dayco 85046 is a hydraulic timing belt actuator for select Toyota engine timing belt service applications. It is listed for Tacoma, Tundra, 4Runner, and T100 models, giving technicians a direct-reference option for timing belt system maintenance.

Key Features

• Dayco Hydraulic Timing Belt Actuator, part number 85046
• Engine timing belt tensioner hydraulic assembly for valve train service
• Direct fitment for select Toyota Tacoma, Tundra, 4Runner, and T100 applications
• Cross-references Toyota 13540-62021 for the same application
• Also cross-references Gates T43210 and CARQUEST T43210

Application Details

This hydraulic timing belt actuator is used in timing belt service on 1995-2004 Toyota Tacoma, 2000-2004 Toyota Tundra, 1996-2002 Toyota 4Runner, and 1995-1998 Toyota T100. Dayco 85046 is built for vehicles that use a hydraulic actuator to maintain timing belt tension within the engine valve train system.

What It Helps Address

• Timing belt slack caused by a worn hydraulic actuator
• Irregular belt tension during engine operation
• Noise from a deteriorated timing belt tensioning assembly
• Timing service replacement on high-mileage Toyota trucks and SUVs
• Restoring proper belt control in the valve train system

Installation Notes and Tips

Verify engine code and timing belt system configuration before ordering. This part is listed for specific Toyota Tacoma, Tundra, 4Runner, and T100 model years, so match the vehicle application exactly to the catalog fitment. Replace related timing components during service only when required by the vehicle repair procedure.

Quality Assurance

Dayco supplies timing system components for automotive service applications, and this hydraulic timing belt actuator is cataloged as a direct-reference replacement for the listed Toyota applications.