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Gates 38659 Accessory Drive Belt Tensioner Assembly - Alternator and Water Pump or Fan and Alternator
| Brand | Gates 38659 |
|---|---|
| Position | Fan and Alternator and Alternator and Water Pump |
| Material | Steel |
| Pulley 1 Flanged | No |
| Bearing Bore Inside Diameter | .67 |
| Bearing Bore Inside Diameter | 17 |
| Width | 1.4 |
| Width | 35.5 |
| Outside Diameter | 3.15 |
| Outside Diameter | 80 |
| Mounting Hole Quantity | 2 |
| 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. |
| OE Comparison Rating | Oe exact |
| Outside Diameter (in) | 3.15 |
| Outside Diameter (mm) | 80 |
| Pulley 1 Flanged | No |
| Width (in) | 1.4 |
| Width (mm) | 35.5 |
| Fits | — |
OE exact replacement. Direct-fit tensioner assembly for straightforward installation.
Steel construction. Built for durability in demanding accessory drive systems.
Smooth backside contact. Helps maintain consistent belt tracking and operation.
Cross-references Gates 38659, Litens 910117A and 16630E0250 for the same application. See all 7.
Gates DriveAlign OE Belt Tensioner
The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38659, is built for accessory drive belt systems that need consistent belt control and OE-style fit. This steel tensioner uses a smooth/backside contact surface and a V-ribbed belt design to help maintain proper belt tension in demanding engine bay conditions.
Gates 38659 is part of the DriveAlign Premium OE Automatic Belt Tensioner line, engineered for exact OE comparison and built to meet the demands of modern accessory drive systems. For drivers searching for a Honda Civic belt tensioner, Nissan application coverage, or an OE replacement accessory drive belt tensioner assembly, this part number is a direct reference point for the correct style and construction.
- Brand: Gates DriveAlign Premium OE Automatic Belt Tensioner
- Part number: 38659
- Accessory drive belt tensioner assembly for V-ribbed belt systems
- Steel construction for durability in engine bay service
- OE Exact comparison rating for OE-style replacement fit
- Single pulley design with smooth/backside contact surface
- Mounting hole quantity: 2
- Outside diameter: 3.15 in. / 80 mm
- Width: 1.4 in. / 35.5 mm
- Bearing bore inside diameter: 0.67 in. / 17 mm
This Gates 38659 tensioner is designed to keep the accessory belt properly tensioned so the belt can track correctly across the drive system. It is a practical OE replacement choice for vehicles that use a V-ribbed accessory belt and a smooth backside pulley contact surface, including applications searched as Honda Civic belt tensioner and Nissan accessory drive belt tensioner assembly.
Common Problems It Can Address
- Belt squeal caused by weak or inconsistent tension
- Belt flutter from worn tensioner spring action
- Accessory drive belt tracking issues on the backside pulley path
- Noise from a worn pulley bearing or tensioner assembly
- Reduced belt control in contaminated or high-vibration engine environments
Installation Notes
Verify pulley style, belt type, mounting hole layout, and OE comparison rating before installation. Confirm the accessory drive belt routing and inspect the belt, idlers, and adjacent pulleys for wear before replacing the tensioner. This part cross-references Litens 910117A for the same application.
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 OE line is built around OE-style fit and consistent belt control for accessory drive systems.
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