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Gates 38550 Accessory Drive Belt Tensioner Assembly
| Brand | Gates 38550 |
|---|---|
| Position | Fan, Water Pump and Alternator, Fan, Alternator and Air Conditioning, Fan, and Alternator |
| Material | Steel |
| Pulley 1 Flanged | No |
| Bearing Bore Inside Diameter | 1.18 |
| Bearing Bore Inside Diameter | 30 |
| Width | 1.57 |
| Width | 40 |
| Outside Diameter | 2.95 |
| Outside Diameter | 75 |
| 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., bolt |
| Outside Diameter (in) | 2.95 |
| Outside Diameter (mm) | 75 |
| Pulley 1 Flanged | No |
| Width (in) | 1.57 |
| Width (mm) | 40 |
| Fits | — |
OE-style replacement. Automatic belt tensioner assembly engineered to meet demanding OEM requirements.
Steel construction. Built for durability in heavy-duty accessory drive systems.
V-ribbed belt design. Smooth backside contact helps maintain consistent belt tracking.
Cross-references Dayco 89444, Febi-Bilstein 49549 and Gates 38550 for the same application. See all 7.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Gates DriveAlign Premium OE Automatic Belt Tensioner
The Gates DriveAlign Premium OE Automatic Belt Tensioner, part number 38550, is built for accessory drive belt systems that need consistent belt control and stable pulley tracking. It uses a steel housing with a smooth/backside contact surface and a V-ribbed belt profile to support reliable operation in demanding engine bays.
For drivers searching for a Gates 38550 automatic belt tensioner for accessory drive belt system repair, this OE-style assembly is engineered to meet demanding original equipment requirements. It is a practical choice for service work on vehicles such as Honda Civic and Toyota Corolla applications where belt tension stability matters.
Key Features
- Steel construction for durable belt system service
- Automatic belt tensioner assembly for accessory drive belt systems
- V-ribbed belt type with smooth/backside contact surface
- Single-pulley design with non-flanged pulley
- Includes tensioner assembly and bolt
- Part number 38550 for easy identification
Product Details
Gates 38550 is part of the DriveAlign Premium OE Automatic Belt Tensioner line, a product family focused on OE-level fit and function for accessory drive belt system components. The tensioner uses a 75 mm outside diameter pulley, 40 mm width, and 30 mm bearing bore inside diameter, with one mounting hole for straightforward placement in the belt drive layout. Gates also positions the FleetRunner heavy-duty tensioner design around long service life under vibration and contamination exposure, making this style of tensioner a strong option for demanding daily-use and fleet maintenance environments.
This part cross-references Dayco 89444 for the same application.
Common Problems This Part Helps Address
- Belt squeal caused by weak or inconsistent tension
- Accessory belt flutter or vibration at idle and under load
- Uneven pulley tracking in the drive belt system
- Premature belt wear from poor tension control
- Noise from a worn automatic belt tensioner assembly
Installation Notes and Tips
Before installation, inspect the accessory drive belt, idler pulleys, and related belt path components for wear or contamination. Confirm pulley alignment and verify that the belt rides correctly on the V-ribbed surface after installation. For best results, compare the removed unit to Gates 38550 to confirm mounting style, pulley dimensions, and contact surface before service.
Fits 2006-2011 Honda Civic, front. Fits 2003-2008 Toyota Corolla, front. Fits 2005-2010 Honda Accord, front. Fits 2004-2009 Toyota Camry, front.
Quality Assurance
Gates engineers this DriveAlign Premium OE Automatic Belt Tensioner to exceed demanding OEM requirements. In laboratory testing that included peak-to-peak vibration and contamination exposure, the FleetRunner heavy-duty tensioner design lasted up to three times longer than competing aftermarket tensioners.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| No rows match your filter. | ||||