Gates 38659 belt tensioner for the 2005-2007 Hino 308 6-cylinder 7.7L and other vehicles keeps tension on the accessory drive belt. A patented damping mechanism reduces vibration and extends the life of the belt, the tensioner and other accessory drive components.
- Gates FleetRunner Heavy-Duty belt tensioner line
- Patented design that keeps the belt aligned and under tension for drive efficiency and life
- Patented labyrinth seal keeps contamination out of the internal parts
- Steel pulley with dust shields that protect the internal bearings from contamination
- Double row bearings carry more load and last up to 3X longer than two individual bearings
- Chrome-silicone round torsion spring for less flex-fatigue than flat-spring designs
Quick facts
- Part: Gates 38659 belt tensioner
- Also called: serpentine belt tensioner
- Fits: the 2005-2007 Hino 308 6-cylinder 7.7L and other vehicles
- Position: fan and alternator, alternator and water pump
- Material: Steel
- Condition: New
A worn belt tensioner, also called a serpentine belt tensioner, can show up as a chirping or squealing belt, a rattling or grinding pulley bearing, or a belt that wears unevenly. With the engine off and cool, look over the belt and the tensioner pulley for cracks, glazing, fraying or a pulley that sits out of line, and find the cause of the noise before you replace the tensioner.
Fits
It fits the 2005-2007 Hino 308 6-cylinder 7.7L, the 2005-2007 Hino 238 6-cylinder 7.7L and the 2006-2007 Hino 258 6-cylinder 7.7L, with a quantity of one tensioner per vehicle.
Specifications
Fit and size
- Position: fan and alternator, alternator and water pump
- Quantity per vehicle: 1
- Outside diameter: 80 mm (3.15 in)
- Bearing bore inside diameter: 17 mm (0.67 in)
- Width: 35.5 mm (1.4 in)
- Mounting holes: 2
Build and materials
- Material: Steel
- Pulleys: 1, with a smooth backside contact surface
- Belt type: V-ribbed
- Condition: New
- Country of origin: Japan
In the box
One belt tensioner assembly.
Interchange: 4093 · 21100Z501C · 49596 · 16630E0250 · 910117A · 910117 · S040010474
This part cross-references / interchanges with the following part numbers:
38659, 4093, 21100Z501C, 49596, 16630E0250, 910117A, 910117, S040010474
Frequently Asked Questions
Is the Gates 38659 drive belt tensioner right for the 2006-2007 Hino 258 6-cylinder 7.7L?
Yes, the Gates 38659 fits the 2006-2007 Hino 258 6-cylinder 7.7L, and it takes one. For any other truck, look up your own year and model in the "Vehicles it fits" section.
How big is the pulley on the Gates 38659?
The Gates 38659 has an outside diameter of 80 mm (3.15 in), a width of 35.5 mm (1.4 in) and a 17 mm (0.67 in) bearing bore, and its pulley is steel.
Is the 38659 a Gates DriveAlign belt tensioner?
No. Gates 38659 is a FleetRunner Heavy-Duty automatic belt tensioner; in laboratory vibration and contamination tests, FleetRunner heavy-duty tensioners lasted up to 3X longer than competitive aftermarket tensioners.
What can a worn belt tensioner sound like?
A chirp or squeal from the belt, a rattle or grinding from the pulley bearing, or uneven belt wear can be signs of a worn tensioner, though each can have other causes.
Is a belt included with the Gates 38659 belt tensioner?
No. The Gates 38659 listing is one tensioner assembly with its steel pulley; the drive belt is not included.
