Dayco 89353 Accessory Drive Belt Tensioner Assembly - Alternator and Power Steering

Accessory Drive Belt Tensioner for BMW 318i

Dayco 89353 is an accessory drive belt tensioner assembly for serpentine belt systems with a hydraulic actuator and linear movement. It is built for the alternator and power steering drive on select BMW 318i, 318is, and 318ti applications.

Key Features

• Accessory drive belt tensioner assembly for serpentine belt systems
• Hydraulic actuator design for controlled belt tension
• Linear direction for the specified accessory drive layout
• No pulleys included in the assembly
• Direct fitment for select BMW E36 applications
• Dayco part number 89353

Detailed Description

Dayco 89353 is an accessory drive belt tensioner assembly engineered for serpentine belt routing on the alternator and power steering drive. The hydraulic actuator helps maintain belt tension across the accessory drive system, while the linear design matches the specified BMW configuration. This part cross-references ACDelco 38222 for the same application.

Compatible With 1994-1995 BMW 318i, Alternator and Power Steering; 1994-1995 BMW 318is, Alternator and Power Steering; and 1995 BMW 318ti, Alternator and Power Steering. If you are replacing a worn BMW 318i tensioner or sourcing a Dayco 89353 replacement for a BMW 318is or 318ti, verify the accessory drive layout before installation.

What It Helps Address

• Belt slack in the serpentine drive system
• Noise from a worn or weak tensioner assembly
• Uneven belt tracking on the alternator and power steering drive
• Loss of consistent belt tension under engine load
• Service replacement for a hydraulic tensioner with reduced damping

Installation Notes and Tips

Confirm the vehicle’s accessory drive configuration, belt type, and mounting layout before installation. This tensioner is specified for serpentine belt use, linear movement, and hydraulic actuation, with no pulleys included. Match the part to the exact BMW application listed for 1994-1995 BMW 318i and 318is, and 1995 BMW 318ti.

Quality Assurance

Dayco manufactures belt drive components for OE-style service replacement applications. Part number 89353 is listed with confirmed vehicle fitment for the BMW 318i, 318is, and 318ti applications shown above.