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Gates 38622 Accessory Drive Belt Tensioner Assembly
| Brand | Gates 38622 |
|---|---|
| Position | Fan and Alternator, Fan, Water Pump and Alternator, Alternator, Air Conditioning, Fan, and Fan and Air Conditioning |
| Material | Steel |
| Pulley 1 Flanged | No |
| Bearing Bore Inside Diameter | 1.18 |
| Bearing Bore Inside Diameter | 30 |
| Width | 1.69 |
| Width | 43 |
| Outside Diameter | 2.91 |
| Outside Diameter | 74 |
| Mounting Hole Quantity | 1 |
| Belt Type | V-ribbed |
| Pulley Quantity | 1 |
| Bearing Bore Inside Diameter 1 (in) | 1.18 |
| Bearing Bore Inside Diameter 1 (mm) | 30 |
| Belt Type | V-ribbed |
| Contact Surface | Smooth/backside |
| Contents | Tensioner assy. |
| Outside Diameter (in) | 2.91 |
| Outside Diameter (mm) | 74 |
| Pulley 1 Flanged | No |
| Width (in) | 1.69 |
| Width (mm) | 43 |
| Fits | — |
OE direct replacement. Engineered to exceed demanding OEM requirements.
Steel construction. Built for durability in demanding belt drive systems.
V-ribbed belt tensioner. Smooth/backside contact helps maintain consistent belt tracking.
Cross-references Dayco 89447, Four Seasons 38622 and Litens 910137A for the same application. See all 8.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Drive Belt Tensioner for OE-Style Accessory Drive Service
The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38622, is built for accessory drive systems that need consistent belt control and stable pulley tracking. This steel tensioner uses a smooth/backside pulley design with a V-ribbed belt profile to help maintain proper belt tension in demanding engine bay conditions.
Gates 38622 is part of the DriveAlign Premium OE Automatic Belt Tensioner line, a product family focused on OE-style fit and durable operation for accessory drive belt system repairs. For drivers searching for a Gates belt tensioner, Gates 38622, or an OE replacement automatic belt tensioner for accessory drive service, this unit is built around the core dimensions and construction details that matter in real-world use.
Key Features
- Automatic accessory drive belt tensioner assembly
- Steel construction for strength and durability
- V-ribbed belt type with smooth/backside contact surface
- Single pulley design with non-flanged pulley
- 1.18 in / 30 mm bearing bore inside diameter
- 2.91 in / 74 mm outside diameter and 1.69 in / 43 mm width
- Single mounting hole design
Detailed Product Overview
This Gates accessory drive belt tensioner assembly is engineered for vehicles that rely on automatic belt tension control to keep the serpentine belt running at the correct load. The pulley dimensions, steel body, and smooth contact surface support steady belt routing in accessory drive systems where vibration and contamination can affect belt performance. If you are replacing a worn belt tensioner on a Ford, Chevrolet, or Dodge application, Gates 38622 provides the dimensional and construction details needed for a direct-fit style repair.
This part cross-references Dayco 89447 for the same application.
Common Problems This Part Can Help Address
- Belt squeal caused by weak or inconsistent tension
- Serpentine belt flutter from a worn tensioner spring or pivot
- Misalignment or tracking issues at the accessory drive pulley
- Noise from a worn tensioner bearing or pulley surface
- Reduced belt stability in high-vibration engine operation
Installation Notes and Tips
Before installation, compare the pulley diameter, width, bearing bore, and mounting style to the original tensioner on the vehicle. Inspect the belt path, idler pulleys, and serpentine belt condition at the same time, since a worn belt or damaged pulley can shorten the life of the new tensioner. Confirm the accessory drive routing matches the original configuration before returning the vehicle to service.
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 laboratory vibration and contamination testing. Gates 38622 is built with that OE-focused approach for accessory drive belt system repair.
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