Gates 38767 Accessory Drive Belt Tensioner Assembly - Alternator or Fan

Gates DriveAlign OE Belt Tensioner

The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38767, is built for accessory drive belt systems that need consistent belt control and OE-style fitment. It uses a steel housing with a single smooth/backside pulley and OE Exact grade construction for direct replacement service.

Gates 38767 is part of the DriveAlign Premium OE line, which focuses on exact-fit accessory drive belt tensioner assemblies for vehicles that rely on stable belt tension and pulley alignment. This tensioner assembly is engineered for demanding duty cycles and is backed by Gates’ heavy-duty FleetRunner design approach.

Key Features

• Accessory drive belt tensioner assembly for V-ribbed belt systems
• Steel construction for durable service in engine bay conditions
• OE Exact grade type for direct-fit replacement
• Single pulley design with smooth/backside running surface
• 1.18 in / 30 mm bearing bore inside diameter
• 2.95 in / 75 mm outside diameter and 1.81 in / 46 mm width
• Single mounting hole design
• Gates 38767 and Dayco 89955 cross-reference for the same application

Detailed Description

This Gates accessory drive belt tensioner assembly is designed to maintain proper belt tension across the accessory drive system, helping the belt track correctly over the pulley path. The OE Exact specification supports direct replacement needs for vehicles that use this style of automatic tensioner, including applications searched as Gates 38767 belt tensioner, DriveAlign tensioner assembly, and OE replacement accessory drive belt tensioner.

For buyers searching by vehicle, this part is relevant to Ford F-150 and Ford Expedition applications where the correct tensioner assembly is required for the accessory drive belt system. The FleetRunner heavy-duty design is built around long service life under vibration and contamination exposure, making it a practical choice for high-load engine environments.

What It Helps Address

• Belt squeal caused by weak or inconsistent tension
• Accessory belt flutter or vibration at the pulley path
• Misalignment concerns in the accessory drive belt system
• Wear from a worn tensioner bearing or pulley surface
• Loss of belt control that can affect alternator, power steering, or A/C drive operation

Installation Notes and Tips

Verify the belt type, pulley style, and mounting configuration before installation. Confirm the OE Exact replacement dimensions against the original tensioner, including pulley diameter, width, and bearing bore size. Inspect the accessory belt and related pulleys for wear before installing Gates 38767, and replace any damaged belt components at the same time to protect the new tensioner.

Quality Assurance

Gates states that its FleetRunner heavy-duty automatic belt tensioners are engineered to exceed demanding OEM requirements and have shown extended service life in vibration and contamination testing. This part is built to OE-style standards for dependable accessory drive belt service.