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Gates 38599 Accessory Drive Belt Tensioner Assembly
| Brand | Gates 38599 |
|---|---|
| Position | Fan and Air Conditioning, Fan, Alternator and Air Conditioning, and Fan |
| Material | Steel |
| Pulley 1 Flanged | Yes |
| Bearing Bore Inside Diameter | .67 |
| Bearing Bore Inside Diameter | 17 |
| Groove Quantity | 6 |
| Width | .98 |
| Width | 25 |
| 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 | V-ribbed grooved |
| Contents | Tensioner assy., bolt |
| Number of Grooves | 6 |
| Outside Diameter (in) | 2.99 |
| Outside Diameter (mm) | 76 |
| Pulley 1 Flanged | Yes |
| Width (in) | .98 |
| Width (mm) | 25 |
| Fits | — |
OE automatic tensioner. Built to meet demanding OEM requirements for dependable belt control.
Steel construction. A durable tensioner assembly with a flanged pulley for stable operation.
V-ribbed design. Six grooves and a grooved contact surface help maintain belt engagement.
Cross-references Dayco 89464, Gates 38599 and Litens 910544A for the same application. See all 8.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
DriveAlign OE Belt Tensioner for Accessory Drive Systems
The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38599, is built for accessory drive belt systems that need consistent belt control and stable tension. It uses a steel housing with a V-ribbed grooved contact surface to help maintain proper belt tracking in demanding engine bay conditions.
For drivers and technicians servicing belt noise, belt slip, or tension loss on supported applications, this Gates 38599 tensioner is a direct-fit style replacement for the accessory drive belt tensioner assembly. It is also a practical choice for Ford F-150 and Chevrolet Silverado 1500 service work where OE-style belt control matters.
Key Features
- Gates DriveAlign Premium OE Automatic Belt Tensioner
- Accessory drive belt tensioner assembly for V-ribbed belt systems
- Steel construction for durability in engine compartment use
- 6-groove pulley with flanged design
- Single mounting hole design
- Includes tensioner assembly and bolt
- Outside diameter: 76 mm (2.99 in)
- Width: 25 mm (0.98 in)
- Bearing bore inside diameter: 17 mm (0.67 in)
Product Details
Gates 38599 is engineered for accessory drive belt applications that require steady automatic tension control and accurate pulley alignment. The V-ribbed grooved contact surface and 6-groove pulley help the belt run smoothly across the drive system, while the steel body supports long-term service in high-vibration environments. Gates positions the DriveAlign Premium OE line for OE-style fit and function in belt drive service, making this tensioner a solid match for maintenance on Ford F-150 and Chevrolet Silverado 1500 applications where belt system reliability is important.
This part cross-references Dayco 89464 for the same application.
Common Problems This Part Helps Address
- Belt squeal caused by weak or inconsistent tension
- Belt slip in the accessory drive system
- Uneven belt tracking across the pulley path
- Noise from a worn automatic tensioner assembly
- Reduced belt control from a fatigued spring-loaded tensioner
Installation Notes and Tips
Inspect the belt, idler pulleys, and adjacent accessory drive components before installation. Verify pulley alignment, confirm the belt follows the correct routing, and check that the mounting surface is clean and free of damage. This Gates 38599 tensioner includes the tensioner assembly and bolt as listed in the product data.
After installation, start the engine and confirm smooth belt tracking and quiet operation. For fitment-specific service, verify the application by year, make, model, and position before ordering.
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. The DriveAlign Premium OE line is built around the same focus on durable belt control and dependable accessory drive performance.
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