Keeping you Ready for the Road Ahead , the Dayco 89448 Gold Label Heavy Duty Automatic Belt Tensioner is meticulously made to the strictest design specifications. This belt tensioner features a high-strength cast aluminum body designed to keep contamination out and resist cracking, fatigue, and deformation. In addition, the advanced material used reduces weight when compared to regular belt tensioners, while providing long-lasting strength and durability. The Dayco heavy duty belt tensioner features several patented components which are engineered to handle the higher torque and power pulses exerted by modern diesel engines.
FleetPride is your First Click in Heavy Duty .
Heavy duty cast aluminum body and pulley arms with dual, permanently lubricated bearings provide extra strength and durability
Rugged aluminum body and pulley arms with dual, permanently lubricated bearings provide extra strength and durability
High temperature grease extends pulley life and increases wear resistance for long-lasting, dependable service
Hardened belt running service prevents wear, even in harsh environments
Unique flat spring design lessens variations in tension throughout the operating range and reduces the risk of premature spring fatigue and subsequent failure due to high tension
Reduces belt noise and slippage, as well as poor performance caused by low tension
Multiple patented components are engineered to handle the higher torque and power pulses exerted by today's diesel engines
Clockwise direction
Pulley dimensions (Diameter x Width): 74 mm x 38.3 mm