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Freightliner M2 112 Belt Tensioner

3 items

Upgrade your vehicle's belt tensioner with A-Premium's high-quality options. Choose reliability and durability for a smoother ride.

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Belt Tensioner with Pulley for Ford F650 F750 Freightliner Sterling Truck ThomasBelt Tensioner with Pulley for Ford F650 F750 Freightliner Sterling Truck Thomas
A-Premium®Part # APBT0254
Belt Tensioner with Pulley for Ford F650 F750 Freightliner Sterling Truck Thomas
4.616 Reviews
CA$70.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2009 - 2009 Blue Bird Vision School Bus, 2007 - 2007 Freightliner M2 106, 2007 - 2007 Freightliner M2 112, 2006 - 2006 Freightliner M2 106, 2006 - 2006 Freightliner M2 112, 2006 - 2006 Sterling Truck L7500, 2006 - 2006 Sterling Truck L8500, 2006 - 2006 Sterling Truck LT7500, 2006 - 2006 Sterling Truck LT8500, 2005 - 2008 Blue Bird Vision School Bus, 2005 - 2008 Freightliner B2, 2005 - 2007 Freightliner M2 106, 2005 - 2007 Sterling Truck A9500, 2005 - 2006 Thomas Saf-T-Liner, 2005 - 2005 Sterling Truck L7500, 2005 - 2005 Sterling Truck L8500, 2005 - 2005 Sterling Truck LT7500, 2005 - 2005 Sterling Truck LT8500, 2004 - 2007 Ford F650, 2004 - 2007 Ford F750
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Vehicle: Freightliner M2 112
Item LocatedCanada
Quantity1
MaterialSteel
ConditionNew
item #1004WCXY
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Belt Tensioner with Pulley for Freightliner Century Class 99-08 Argosy Columbia
A-Premium®Part # APBT0316
Belt Tensioner with Pulley for Freightliner Century Class 99-08 Argosy Columbia
4.616 Reviews
CA$82.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2009 - 2010 Freightliner M2 112, 2008 - 2009 Freightliner Cascadia, 2008 - 2009 Freightliner Cascadia, 2008 - 2008 Freightliner Century Class, 2008 - 2008 Freightliner Classic, 2007 - 2008 Freightliner Century Class, 2006 - 2007 Freightliner Classic, 2005 - 2011 Freightliner Columbia, 2005 - 2005 Freightliner Century Class, 2005 - 2005 Freightliner Classic, 2003 - 2011 Freightliner Argosy, 2003 - 2009 Freightliner Coronado, 2003 - 2008 Freightliner Classic, 2003 - 2007 Freightliner Century Class, 2002 - 2011 Freightliner Columbia, 2002 - 2007 Freightliner Coronado, 2001 - 2008 Freightliner Classic XL, 2001 - 2007 Freightliner Classic, 2001 - 2007 Freightliner Classic XL, 2001 - 2002 Freightliner Classic
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Vehicle: Freightliner M2 112
Item LocatedCanada
Quantity1
MaterialSteel
ConditionNew
item #1000G1GC
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Accessory Belt Idler Pulley for Chrysler Pacifica Chevy TrailBlazer GMC Envoy
A-Premium®Part # APBT0617
Accessory Belt Idler Pulley for Chrysler Pacifica Chevy TrailBlazer GMC Envoy
4.616 Reviews
CA$40.99
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3-year warranty
90 days free return
Fits 2011 - 2011 International Harvester 9200i SBA, 2011 - 2011 International Harvester WorkStar 7600, 2011 - 2011 Kenworth T800, 2011 - 2011 Peterbilt 365, 2011 - 2011 Peterbilt 384, 2011 - 2011 Peterbilt 388, 2010 - 2010 Kenworth T800, 2010 - 2010 Peterbilt 386, 2010 - 2010 Peterbilt 388, 2010 - 2010 Sterling Truck L9500, 2009 - 2010 Peterbilt 384, 2009 - 2010 Peterbilt 387, 2009 - 2009 International Harvester WorkStar 7600, 2009 - 2009 Kenworth T660, 2009 - 2009 Kenworth T800, 2009 - 2009 Peterbilt 320, 2009 - 2009 Peterbilt 365, 2009 - 2009 Sterling Truck A9500, 2008 - 2011 Peterbilt 367, 2008 - 2010 International Harvester 9200i SBA
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Freightliner M2 112
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #1015DW0P
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What does a belt tensioner do?

Seat belt tensioners represent an integral facet of contemporary automotive safety systems. These sophisticated devices are meticulously engineered to augment passenger protection by mitigating the potentially injurious effects of a vehicular collision or abrupt deceleration event. 

Belt tensioner noise

Belt tensioner noise is typically an indication of a problem within the engine's accessory drive system, and it should not be ignored.

Squealing or Whining Noise: A common sign of a failing or worn-out belt tensioner is a high-pitched squealing or whining noise. This noise is often most noticeable when you start the engine or when you engage accessories like the air conditioner or power steering.

Rattling or Grinding Noise: A failing tensioner may also produce a rattling or grinding noise, especially at higher engine speeds or when the drive belt is under load.

Intermittent Noise: The noise produced by a failing belt tensioner can be intermittent, depending on factors like engine temperature and load.

Belt tensioner replacement

Replacing a belt tensioner is a relatively straightforward mechanical procedure, but it does require some mechanical knowledge and the right tools. Steps to follow when you are planning to replace your seal belt tensioner.

  1. Safety first: Ensure the engine is off, and the vehicle is secure. Disconnect the battery if necessary.
  2. Locate tensioner: Find the belt tensioner, usually a pulley on a bracket with a spring-loaded arm.
  3. Release belt tension: Use the right tool to rotate the tensioner arm, relieving tension on the drive belt.
  4. Remove belt: Carefully slide the belt off the pulleys. Note routing for reference.
  5. Remove old tensioner: Unbolt the old tensioner, keeping track of the hardware.
  6. Install new tensioner: Place the new tensioner in the same spot and secure it with bolts. Align it correctly.
  7. Reinstall belt: Put the belt back on the pulleys, ensuring proper alignment.
  8. Adjust tension: Use the tool to apply tension and follow the manufacturer's specs.
  9. Double-check: Confirm belt alignment and tension on all pulleys.
  10. Test: Start the engine, listen for issues, and check belt movement.
  11. Reconnect battery: If disconnected earlier, reconnect the vehicle's battery.
  12. Dispose of old parts: Properly dispose of the old tensioner and parts.

Related Blogs

Should You Replace the Tensioner When Replacing a Cracked Serpentine Belt?

Don't automatically replace the tensioner with a cracked serpentine belt. Check for weak spring force, misalignment, or noise. Replace both if the tensioner is worn; otherwise, swapping just the belt is often sufficient.

Aug 28, 2026