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Gates 38590 Accessory Drive Belt Tensioner Assembly
| Brand | Gates 38590 |
|---|---|
| Position | Fan, Alternator and Air Conditioning, Fan, Hub, Fan, Alternator and Air Conditioning, Alternator and Air Conditioning, Fan, Alternator, Power Steering and Air Conditioning, and Fan, Air Conditioning, Alternator and Water Pump |
| Material | Steel |
| Pulley 1 Flanged | No |
| Bearing Bore Inside Diameter | .67 |
| Bearing Bore Inside Diameter | 17 |
| Width | 1.81 |
| Width | 46 |
| Outside Diameter | 2.99 |
| Outside Diameter | 76 |
| Mounting Hole Quantity | 1 |
| Belt Type | V-ribbed |
| Pulley Quantity | 1 |
| Bearing Bore Inside Diameter 1 (in) | .67 |
| Bearing Bore Inside Diameter 1 (mm) | 17 |
| Belt Type | V-ribbed |
| Contact Surface | Smooth/backside |
| Contents | Tensioner assy. |
| Outside Diameter (in) | 2.99 |
| Outside Diameter (mm) | 76 |
| Pulley 1 Flanged | No |
| Width (in) | 1.81 |
| Width (mm) | 46 |
| Fits | — |
Automatic belt tensioner. Maintains proper belt tension for consistent accessory drive performance.
Steel construction. Built with a durable steel body and smooth backside contact surface.
Heavy-duty design. Engineered to exceed demanding OEM requirements for tougher service.
Cross-references Dayco 89439, Gates 38590 and Litens 910062A for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Drive Belt Tensioner for OE-Style Performance
The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38590, is built for accessory drive belt systems that need consistent belt control and stable tension. It uses a steel housing with a smooth/backside pulley and V-ribbed belt contact to help maintain proper belt tracking in demanding engine bay conditions.
For drivers searching for a Gates 38590 belt tensioner assembly or an OE-style automatic belt tensioner for accessory drive belt system repair, this unit is engineered to meet demanding OEM requirements. It is a practical choice for service work on applications such as Ford F-150 and Chevrolet Silverado where belt tension stability matters.
Key Features
- Automatic accessory drive belt tensioner assembly
- Steel construction for durability in engine compartment use
- V-ribbed belt type with smooth/backside contact surface
- Single pulley design with non-flanged pulley
- Compact dimensions: 2.99 in outside diameter and 1.81 in width
- Gates DriveAlign Premium OE line for OE-style replacement needs
Product Details
The Gates DriveAlign Premium OE Automatic Belt Tensioner 38590 is designed for accessory drive belt systems that rely on steady spring-loaded tension to keep the belt aligned and operating correctly. Gates positions the FleetRunner heavy-duty tensioner platform for long service life under vibration and contamination exposure, with laboratory testing showing extended durability versus competing aftermarket tensioners. That makes this tensioner a strong option when replacing a worn belt tensioner assembly on Ford F-150 or Chevrolet Silverado applications that use a V-ribbed belt system.
This part cross-references Dayco 89439 for the same application.
What It Helps Address
- Belt squeal caused by weak or inconsistent tension
- Accessory belt flutter or vibration at the drive system
- Misalignment from a worn pulley or tensioner arm
- Premature belt wear from poor backside contact
- Noise from a failing automatic belt tensioner assembly
Installation Notes and Tips
Inspect the belt, pulley surfaces, and adjacent accessory drive components before installation. Replace the belt if it shows glazing, cracking, or uneven wear, and verify pulley alignment after the new tensioner is installed. Confirm the application by matching the part number 38590 to the vehicle’s accessory drive belt system requirements before service.
Quality Assurance
Gates designs the DriveAlign Premium OE line to meet demanding OEM expectations for automatic belt tensioner performance. The FleetRunner heavy-duty tensioner platform is engineered for extended durability in vibration and contamination testing, supporting dependable operation in daily-use and fleet service environments.
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