
Upgrade your truck with the Dorman 419-388 Automatic Belt Tensioner, engineered for 2011-2016 6.7 Powerstroke models. This OE-style replacement ensures smooth engine operation by eliminating noisy, squeaky belts. Crafted from premium materials and rigorously tested for extreme conditions, it guarantees long-lasting performance and reliability. Its direct-fit design simplifies installation, making it an ideal choice for restoring optimal tension and reducing belt noise. Choose Dorman for dependable, high-quality solutions that keep your truck running at its best.
- Direct-fit replacement for 2011-2016 6.7 Powerstroke
- Premium materials ensure durability and long service life
- Eliminates belt noise and maintains smooth engine performance
- Rigorously tested for reliability under extreme conditions

Upgrade your truck with the Dorman 419-388 Automatic Belt Tensioner, engineered for 2011-2016 6.7 Powerstroke models. This OE-style replacement ensures smooth engine operation by eliminating noisy, squeaky belts. Crafted from premium materials and rigorously tested for extreme conditions, it guarantees long-lasting performance and reliability. Its direct-fit design simplifies installation, making it an ideal choice for restoring optimal tension and reducing belt noise. Choose Dorman for dependable, high-quality solutions that keep your truck running at its best.
- Direct-fit replacement for 2011-2016 6.7 Powerstroke
- Premium materials ensure durability and long service life
- Eliminates belt noise and maintains smooth engine performance
- Rigorously tested for reliability under extreme conditions