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Gates 38631 Accessory Drive Belt Tensioner Assembly - Fan or Alternator and Air Conditioning
| Brand | Gates 38631 |
|---|---|
| Position | Fan, Alternator and Air Conditioning |
| Material | Steel |
| Pulley 1 Flanged | No |
| Bearing Bore Inside Diameter | 1.18 |
| Bearing Bore Inside Diameter | 30 |
| Width | 1.28 |
| Width | 32.5 |
| Outside Diameter | 2.36 |
| Outside Diameter | 60 |
| 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) | 2.36 |
| Outside Diameter (mm) | 60 |
| Pulley 1 Flanged | No |
| Width (in) | 1.28 |
| Width (mm) | 32.5 |
| Fits | — |
OE-style replacement. Automatic belt tensioner assembly engineered to meet demanding OEM requirements.
Steel construction. Built with a durable steel body for dependable belt system performance.
Smooth backside contact. Works with V-ribbed belts for consistent, quiet operation.
Cross-references AP Exhaust 38631, Continental 49590 and Dayco 89114 for the same application. See all 8.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Gates DriveAlign Premium OE Belt Tensioner
The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38631, is built for accessory drive belt systems that need stable belt control and consistent pulley alignment. It is a steel automatic belt tensioner assembly with a smooth/backside pulley surface for V-ribbed belt applications.
For drivers searching for a Gates 38631 replacement or a DriveAlign automatic belt tensioner for accessory drive belt system repair, this part is engineered to meet demanding OE requirements. It is also a practical choice when servicing vehicles such as Honda Civic and Toyota Camry applications that use this style of belt tensioner assembly.
Key Features
- Steel tensioner assembly for accessory drive belt systems
- Automatic belt tensioner design for V-ribbed belt routing
- Smooth/backside pulley contact surface
- Single-pulley design with flanged pulley 1: No
- Bearing bore inside diameter: 1.18 in. / 30 mm
- Outside diameter: 2.36 in. / 60 mm
- Width: 1.28 in. / 32.5 mm
- Mounting hole quantity: 1
Product Details
Gates DriveAlign Premium OE Automatic Belt Tensioner 38631 is designed as an accessory drive belt tensioner assembly for V-ribbed belt systems. The steel construction and OE-focused design support consistent belt tensioning and pulley tracking in demanding engine accessory drives. Gates positions the FleetRunner heavy-duty tensioner line as a long-life solution built to exceed OEM requirements, with laboratory testing showing extended durability under vibration and contamination exposure compared with competitive aftermarket tensioners.
This part cross-references Dayco 89114 and Litens 910575A for the same application.
What It Helps Address
- Belt squeal caused by weak or inconsistent tension
- Accessory belt flutter or vibration
- Uneven belt tracking across the pulley path
- Noise from a worn tensioner pulley or bearing
- Loss of belt tension in high-vibration engine operation
Installation Notes and Tips
Verify belt type, pulley alignment, and mounting location before installation. Confirm the replacement matches the original tensioner assembly dimensions, including bearing bore, width, and outside diameter. For fitment-based searches, this Gates 38631 tensioner is commonly referenced for Honda Civic and Toyota Camry service applications where the original system uses a V-ribbed accessory drive belt tensioner.
Quality Assurance
Gates engineers the DriveAlign Premium OE line for OE-level fit and function in accessory drive belt systems. The FleetRunner heavy-duty tensioner platform is validated through laboratory vibration and contamination testing to support long service life in demanding operating conditions.
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