Gates 38559 Fleetrunner Heavy-Duty Belt Drive Tensioner

The Gates 38559 FleetRunner Heavy-Duty Belt Drive Tensioner is engineered to deliver exceptional performance and longevity in demanding commercial truck applications. Built to withstand extreme pressure and severe operating conditions, this premium tensioner provides up to three times the service life compared to other aftermarket heavy-duty tensioners.

Advanced Engineering Features:

• Double row bearings carry significantly more load and last up to 3 times longer than two individual bearings
• Patented labyrinth seal technology prevents contamination of internal components for maximum durability and extended service life
• Machined steel pulley construction reduces surface wear while shielding internal bearings from external contaminants and damage
• Patented damping mechanism provides maximum stability, reduces vibration, and extends the life of belts and accessories
• Torsional round spring design maintains consistent belt tension and prevents contamination
• 74mm outside diameter pulley

Quality and Performance:

• Manufactured using OEM-grade technology to ensure factory-matched fit, form, and function
• Built to rigid tolerances and specifications that guarantee OE quality
• Steel construction for superior strength and durability
• Designed specifically for heavy-duty commercial truck applications

This tensioner assembly is part of Gates' Green Stripe DriveAlign Heavy-Duty line, offering comprehensive coverage for heavy-duty truck applications. Gates is a global leader in power transmission systems, trusted by fleet managers and technicians for delivering reliable performance that reduces downtime and maintenance costs.

Cross-Reference Numbers: Mercedes-Benz A9062001470, A9062002070, 9062001470, 9062002070, 9062001770, 9062000270; Detroit Diesel A9062000270; Dayco 89940; Goodyear 49560; Freightliner Trucks A9062002070