Gates 39112 belt tensioner for the 2008-2013 BMW 128i 6-cylinder 3.0L and other vehicles keeps the V-ribbed accessory drive belt under steady tension. Also called a serpentine belt tensioner, it is made to rigid tolerances for OE fit, form and function.
- Gates DriveAlign automatic drive belt tensioner
- Patented labyrinth seal protects the internal components
- Patented vibration-damping system absorbs extreme vibration to extend tensioner, belt and accessory life
- Torsional round spring design for reliability and consistent tension
- Single smooth pulley without flanges, made for the backside of a V-ribbed belt
Quick facts
- Part: Gates 39112 belt tensioner
- Also called: serpentine belt tensioner
- Fits: 2008-2013 BMW 128i 6-cylinder 3.0L and other vehicles
- Position: Alternator, power steering and water pump
- Material: Thermoplastic
- Condition: New
A squeal or chirp from the belt area, a worn belt or a pulley that wobbles can mean a tensioner is wearing out. A worn belt, a seized idler pulley or a failing alternator or water pump bearing can make similar noises, so find the cause before buying. The engine takes one tensioner, and this listing is one tensioner.
Fits
The 2008-2013 BMW 128i 6-cylinder 3.0L, the 2007-2013 BMW 328i 6-cylinder 3.0L and the 2009-2013 BMW 328i xDrive 6-cylinder 3.0L are among the cars this tensioner fits, and it fits more. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Position: Alternator, power steering and water pump
- Quantity per vehicle: 1
- Outside diameter: 70 mm (2.76 in)
- Width: 26 mm (1.02 in)
- Bearing bore inside diameter: 17 mm (.67 in)
- Mounting holes: 1
Build and materials
- Type: Automatic belt drive tensioner
- Material: Thermoplastic
- Belt type: V-ribbed
- Pulley: 1, smooth contact surface, not flanged
- Condition: New
- Country of origin: Canada
In the box
One belt tensioner assembly and one bolt.
Interchange: 419-365 · URO-009960
11287530314 · 11288624196 · 305399 · 89399 · 49463 · FT40252 · 999444A · 999444
This part cross-references / interchanges with the following part numbers:
39112, 11287530314, 11288624196, 305399, 89399, 419-365, 49463, FT40252, 999444A, 999444, URO-009960
Frequently Asked Questions
Is the Gates 39112 a BMW 328i belt tensioner for the 2007-2013 6-cylinder 3.0L?
Yes. Gates 39112 fits the 2007-2013 BMW 328i 6-cylinder 3.0L, and the engine takes one. Open the "Vehicles it fits" section to check other models.
Does the Gates 39112 work as a BMW 128i belt tensioner on a 2008-2013 6-cylinder 3.0L?
Yes. Gates 39112 fits the 2008-2013 BMW 128i 6-cylinder 3.0L, with one tensioner per engine.
What comes with the Gates 39112 belt tensioner?
The listing includes one belt tensioner assembly and one bolt.
What kind of belt surface does this belt tensioner pulley have?
It has one smooth, unflanged pulley with no grooves, made to run on the backside of a V-ribbed belt.
What does the labyrinth seal do on this Gates tensioner?
The labyrinth seal guards the tensioner's internals. The vibration-damping system absorbs extreme vibration, which helps extend the life of the tensioner, belt and accessories.
