Dorman DOR-419-378 Automatic Belt Tensioner
Features:
- Ideal solution – engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Direct replacement – this accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles
This accessory drive belt tensioner assembly is designed to match the fit of an original equipment assembly on specified vehicles. It is engineered to help ensure proper belt tension when an original belt is slipping, broken, or worn from fatigue.
Attributes:
| 10927 | 1 |
| Housing Material | Aluminum |
| 4711 | 180 |
| 9855 | No |
| Pulley Bearing Diameter (mm) | 73.66 mm |
| 10925 | No |
| Tensioner Rotation | Clockwise |
| Material | Aluminum |
| Maximum Belt Width (mm) | 25.4 mm |
| Package Contents | 1 Belt Tensioner |
| Belt Type | V-Belt |
| Length | 7.5 |
| Tensioner Rotation | Counter-Clockwise |
| Contact Surface | 73.66 mm |
| Number Of Pulleys | 1 |
| Grade Type | OEM |
| Bushing Included | Yes |
| 4446 | No |
| 1117 | No |
| 287 | Aluminum |
| 232 | Yes |
| 191 | 0.125 |
| Pulley 1 Flanged | Yes |
| Bolt Head Type | Hex |
| Bolt Length | 73.66 |
| Mounting Hole Diameter | 0.125 |
| Bolt Diameter | 2.9 |
| Color | Black |
| Inside Diameter | 73.66 |
| Width | 73.66 |
| Outside Diameter | 73.66 |
| Grooves | 0 |
| Mounting Hole Quantity | 3 |
Vehicle Applications:
| Make | Model | Years |
| Ford | E-350 Super Duty | 2017 to 2018 |
| Ford | F-150 | 2011 to 2014 |
| Ford | F-250 Super Duty | 2011 to 2018 |
| Ford | F-350 Super Duty | 2010 to 2018 |
| Ford | F-350 | 2011 to 2016 |
| Ford | Lobo | 2011 to 2014 |






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