Gates 38178 Automatic Belt Drive Tensioner

Experience OE-quality reliability with the Gates 38178 Drive Align Automatic Belt Drive Tensioner, designed to meet or exceed original equipment manufacturer standards. Engineered for precision, this tensioner delivers consistent belt tension and superior performance across a wide range of vehicles, including cars, vans, SUVs, and light trucks—both domestic and import (European and Asian).

Built with Gates’ patented labyrinth seal and vibration-damping technology, this tensioner protects internal components from contaminants and absorbs extreme vibration, ensuring extended service life for the tensioner, belt, and accessories. The torsional round spring design guarantees dependable performance and maintains optimal tension over time, making it a trusted choice for professional mechanics and DIY enthusiasts alike.