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Extra Service DriveAlign® tensioners

(Prod. type  7803 and 7808)
Extra Service DriveAlign tensioner
Diesel engines are inherently harsh on automatic tensioners. They literally shake and vibrate ordinary designs to a premature end. But not Gates Extra Service DriveAlign® heavy-duty tensioners. They are built to endure the rigours of today’s heavy-duty, fleet and off-road equipment. In laboratory tests, under extreme peak-to-peak vibration and contamination tests, Gates Extra Service DriveAlign® tensioners lasted up to three times longer than competitive aftermarket tensioners. By implementing small changes to the OEM tensioner design, Gates can cover specific applications and even improve performance without taking up additional space.

Labyrinth seal prevents contamination of internal parts for maximum durability and service life
Patented design provides superior belt alignment and tension for improved drive efficiency and life

• Chrome-silicone torsion spring for improved flex fatigue characteristics

• Patented damping mechanism provides maximum stability, reducing vibration and increasing tensioner life

• Machined steel pulley reduces surface wear while shielding internal bearings from outside contaminants

• Optimised components, engineered for maximum strength and durability

• Double row bearings minimise friction for reduced bearing wear and noise

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