Dayco 85045 Engine Timing Belt Tensioner Hydraulic Assembly

Hydraulic Timing Belt Actuator Overview

Dayco 85045 is a hydraulic timing belt actuator for select Volvo applications. It is listed for Volvo 850 and Volvo 960 models with the fitment notes shown below, including engine serial number restrictions where specified.

Key Features

• Hydraulic timing belt actuator for engine valve train service.
• Direct replacement style for the listed Volvo applications.
• Fits select Volvo 850 and Volvo 960 models.
• Part number 85045 for catalog and cross-reference use.

Detailed Fitment Information

Fits 1994-1997 Volvo 850, N/A, to engine serial no. 131154; hydraulic timing belt actuator. Fits 1993 Volvo 850, N/A, without belt, to engine serial no. 131154; hydraulic timing belt actuator. Fits 1992-1993 Volvo 960, N/A, hydraulic timing belt actuator. Fits 1995-1997 Volvo 960, N/A, hydraulic timing belt actuator. Dayco 85045 is identified as a hydraulic timing belt actuator in the engine valve train category, making it a focused replacement for the listed applications.

Common Replacement Uses

• Restoring proper timing belt tension control.
• Replacing a worn or leaking hydraulic actuator.
• Addressing timing belt noise or inconsistent belt control.
• Servicing engine valve train components during timing work.

Installation Notes

Verify engine serial number and belt configuration before ordering. Match the application notes exactly, since one Volvo 850 listing is limited to engines up to serial no. 131154 and another applies without the belt. Confirm the part number 85045 against the vehicle catalog before installation.

Quality Assurance

Dayco supplies engine timing components for service replacement applications. This part cross-references Gates (e.g., T43168) and NAPA (e.g., T43168) for the same application.