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Blue Bird Belt Tensioner

12 items

Find an A-Premium belt tensioner for squealing, slipping or uneven belt wear. Browse drive belt tensioners and pulley assemblies for your vehicle.

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Belt Tensioner with Pulley for Ford F650 F750 Freightliner Blue Bird El DoradoBelt Tensioner with Pulley for Ford F650 F750 Freightliner Blue Bird El Dorado
A-Premium®Part # APBT0327
Belt Tensioner with Pulley for Ford F650 F750 Freightliner Blue Bird El Dorado
4.6172 Reviews
$43.99
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3-year warranty
90 days free return
Fits 2007 - 2007 American LaFrance ALF Eagle, 2007 - 2007 American LaFrance Condor, 2006 - 2006 utocar LLC. Xpeditor WX, 2006 - 2007 Autocar LLC. Xpeditor WX, 2007 - 2007 Autocar LLC. Xpeditor WXLL, 2006 - 2006 Autocar LLC. Xpeditor WXR, 2006 - 2006 Autocar LLC. Xpeditor WXR, 1999 - 2000 Bering MD23M, 2000 - 2000 Bering MD26M, 2001 - 2002 Blue Bird All American FE, 2003 - 2003 Blue Bird All American FE, 1999 - 1999 Blue Bird All American RE, 2001 - 2003 Blue Bird All American RE, 2011 - 2011 Blue Bird All American RE, 2011 - 2011 Blue Bird All American RE, 2001 - 2003 Blue Bird SHL TC2000, 1998 - 2000 Blue Bird SHL TC2000, 2001 - 2004 Blue Bird TC2000, 1998 - 2000 Blue Bird TC2000, 2005 - 2005 El Dorado E-Z Rider II
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Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
ConditionNew
item #1000H47K
Note
This item comes with the Pulley.
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Belt 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
4.6172 Reviews
$52.99
Low stock: Only 4 left
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3-year warranty
90 days free return
Fits 2005 - 2008 Blue Bird Vision School Bus, 2009 - 2009 Blue Bird Vision School Bus, 2004 - 2007 Ford F650, 2004 - 2007 Ford F750, 2005 - 2008 Freightliner B2, 2002 - 2003 Freightliner M2 106, 2004 - 2004 Freightliner M2 106, 2005 - 2007 Freightliner M2 106, 2004 - 2005 Freightliner M2 106, 2006 - 2006 Freightliner M2 106, 2007 - 2007 Freightliner M2 106, 2004 - 2005 Freightliner M2 112, 2006 - 2006 Freightliner M2 112, 2007 - 2007 Freightliner M2 112, 2005 - 2007 Sterling Truck A9500, 2005 - 2005 Sterling Truck L7500, 2006 - 2006 Sterling Truck L7500, 2005 - 2005 Sterling Truck L8500, 2006 - 2006 Sterling Truck L8500, 2005 - 2005 Sterling Truck LT7500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #1004WCXY
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Belt Tensioner with Pulley for Autocar LLC. Ford Freightliner Kenworth Peterbilt
A-Premium®Part # APBT0257
Belt Tensioner with Pulley for Autocar LLC. Ford Freightliner Kenworth Peterbilt
4.6172 Reviews
$56.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2017 - 2017 Autocar LLC. Xspotter On Road, 2011 - 2016 Blue Bird All American FE, 2011 - 2016 Blue Bird All American RE, 2011 - 2017 Blue Bird Vision School Bus, 2015 - 2015 Ford F-650, 2011 - 2013 Ford F-650, 2015 - 2015 Ford F-750, 2011 - 2013 Ford F-750, 2012 - 2019 Freightliner 108SD, 2010 - 2011 Freightliner B2, 2012 - 2017 Freightliner B2, 2011 - 2020 Freightliner M2 106, 2021 - 2022 Freightliner M2 106, 2012 - 2019 Freightliner MT45, 2020 - 2020 Freightliner MT55, 2011 - 2019 Freightliner MT55, 2017 - 2017 Freightliner S2C, 2013 - 2014 Freightliner S2C, 2015 - 2015 Freightliner XB Line, 2015 - 2015 Freightliner XB Straight Rail
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Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
ConditionNew
item #1004WAE0
Note
The part comes with the pulley.
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Belt Tensioner with Pulley for Chevrolet C6500 Kodiak 1997-2002 GMC Blue Bird
A-Premium®Part # APBT0323
Belt Tensioner with Pulley for Chevrolet C6500 Kodiak 1997-2002 GMC Blue Bird
4.6172 Reviews
$68.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2004 - 2004 Blue Bird All American FE, 2005 - 2006 Blue Bird All American FE, 2007 - 2007 Blue Bird All American FE, 2003 - 2006 Blue Bird All American RE, 2007 - 2007 Blue Bird All American RE, 1990 - 1990 Chevrolet C60 Kodiak, 1992 - 1996 Chevrolet C60 Kodiak, 1998 - 2002 Chevrolet C6500 Kodiak, 1997 - 1998 Chevrolet C6500 Kodiak, 1990 - 1990 Chevrolet C70 Kodiak, 1992 - 1996 Chevrolet C70 Kodiak, 1997 - 1998 Chevrolet C7500 Kodiak, 1998 - 2002 Chevrolet C7500 Kodiak, 1990 - 1990 GMC C6000 Topkick, 1992 - 1996 GMC C6000 Topkick, 1997 - 1998 GMC C6500 Topkick, 1998 - 2002 GMC C6500 Topkick, 1990 - 1990 GMC C7000 Topkick, 1992 - 1996 GMC C7000 Topkick, 1997 - 1998 GMC C7500 Topkick
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
ConditionNew
item #1000H509
Note
This item comes with the Pulley.
Show less
Belt Tensioner with Pulley for Ford F800 1996 1998 Freightliner FL50 MT45
A-Premium®Part # APBT0278
Belt Tensioner with Pulley for Ford F800 1996 1998 Freightliner FL50 MT45
4.6172 Reviews
$44.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1991 - 1997 Blue Bird All American RE, 1998 - 1998 Blue Bird All American RE, 1999 - 2000 Blue Bird All American RE, 1995 - 1997 Blue Bird SHL TC2000, 1995 - 1997 Blue Bird TC2000, 1995 - 1995 Blue Bird TC2000, 1996 - 1996 Ford F800, 1998 - 1998 Ford F800, 1993 - 1998 Ford FT900, 1996 - 1996 Ford L8000F, 1998 - 1998 Ford L8501, 1998 - 1998 Ford L8511, 1998 - 1998 Ford L8513, 1996 - 1996 Ford LA8000F, 1995 - 1995 Ford LN8000, 1996 - 1996 Ford LN8000, 1996 - 1996 Ford LNT8000F, 1996 - 1996 Ford LS8000F, 1996 - 1996 Ford LT8000F, 1996 - 1996 Ford LTS8000F
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
ConditionNew
item #10050R6N
Note
It comes with pulley.
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Belt Tensioner with Pulley for Ford F-600 1992-1994 F-700 Freightliner L6 5.9L
A-Premium®Part # APBT0328
Belt Tensioner with Pulley for Ford F-600 1992-1994 F-700 Freightliner L6 5.9L
4.6172 Reviews
$49.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2007 - 2007 Blue Bird All American FE, 2007 - 2007 Blue Bird Vision School Bus, 1995 - 1998 Ford B800, 1992 - 1994 Ford F600, 1993 - 1994 Ford F600 LPO, 2005 - 2007 Ford F650, 1992 - 1996 Ford F700, 1997 - 1997 Ford F700, 1993 - 1994 Ford F700 LPO, 2005 - 2007 Ford F750, 1993 - 1996 Ford F800, 1997 - 1998 Ford F800, 1999 - 1999 Ford F800, 1995 - 1996 Ford F800 LPO, 1997 - 1998 Ford F800 LPO, 1993 - 1997 Ford LN7000, 1999 - 1999 Freightliner FC70, 2000 - 2000 Freightliner FC70, 2001 - 2003 Freightliner FC70, 2004 - 2004 Freightliner FC70
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
ConditionNew
item #1000G1YT
Note
This item comes with the Pulley.
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AISIN Drive Belt Tensioner Assembly for Ford F-650 F-750 Kenworth K270 2010-2023
AisinPart # BTAZ-00269
AISIN Drive Belt Tensioner Assembly for Ford F-650 F-750 Kenworth K270 2010-2023
4.6172 Reviews
$96.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2014 - 2015 Peterbilt 330, 2019 - 2019 International Harvester MV607, 2021 - 2022 Peterbilt 330, 2017 - 2017 Autocar LLC. Xspotter On Road, 2010 - 2018 Kenworth T370, 2016 - 2019 International Harvester 4300LP, 2015 - 2015 Freightliner XBA, 2015 - 2016 Kenworth K370, 2011 - 2012 Peterbilt 330, 2011 - 2016 Blue Bird All American FE, 2014 - 2022 Kenworth T270, 2014 - 2016 Kenworth T170, 2014 - 2019 International Harvester 4300, 2015 - 2016 Kenworth K270, 2012 - 2019 Freightliner 108SD, 2015 - 2015 IC Corporation CE School Bus, 2020 - 2020 Kenworth K370, 2015 - 2018 Freightliner XC Straight Rail, 2017 - 2017 IC Corporation CE School Bus, 2017 - 2017 Freightliner S2C
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Part interchange
38702, 4929688, 5270678
ConditionNew
item #1018PHGP
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AISIN Drive Belt Tensioner Assembly for Ford F-600 F-650 F-700 F-750 F-800 B-800
AisinPart # BTAZ-00050
AISIN Drive Belt Tensioner Assembly for Ford F-600 F-650 F-700 F-750 F-800 B-800
4.6172 Reviews
$96.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1998 - 1998 Ford F-800, 1999 - 2004 Freightliner FC70, 1993 - 1994 Ford F-600 LPO, 2003 - 2005 Freightliner FC80, 2007 - 2007 Blue Bird All American FE, 2005 - 2005 Freightliner XC, 1999 - 2003 Sterling Truck SC7000 Cargo, 1992 - 1994 Ford F-600, 2010 - 2010 Freightliner MT45, 2001 - 2001 Freightliner FC80, 1995 - 1998 Ford F-800 LPO, 1995 - 1998 Ford B-800, 2004 - 2006 Freightliner MT55, 2004 - 2006 Freightliner MT45, 2005 - 2005 Freightliner XC Raised Rail, 2007 - 2007 Blue Bird Vision School Bus, 2003 - 2007 Kenworth T300, 2007 - 2007 Freightliner MT55, 2005 - 2007 Ford F-650, 1993 - 1999 Ford F-800
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Part interchange
38517, 3921524, 3924026, 3929428, 3930269, 3930769, 3934814, 3934815, 
...View more
ConditionNew
item #1018PNLD
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Accessory Belt Idler Pulley for Ford F-250 Super Duty 2003-2007 E-350 Super Duty
A-Premium®Part # APBT0628
Accessory Belt Idler Pulley for Ford F-250 Super Duty 2003-2007 E-350 Super Duty
4.6172 Reviews
$34.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2013 - 2015 Blue Bird Vision School Bus, 2004 - 2005 Ford E-350 Club Wagon, 2004 - 2010 Ford E-350 Super Duty, 2004 - 2010 Ford E-450 Super Duty, 2003 - 2005 Ford Excursion, 2003 - 2007 Ford F-250 Super Duty, 2003 - 2007 Ford F-350 Super Duty, 2003 - 2007 Ford F-450 Super Duty, 2003 - 2007 Ford F-550 Super Duty, 2004 - 2010 Starcraft Bus Starlite
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
QuantityOne Set
MaterialSteel
ConditionNew
item #1018A9X3
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Accessory Belt Idler Pulley for Blue Bird Freightliner Kenworth Sterling Truck
A-Premium®Part # APBT0618
Accessory Belt Idler Pulley for Blue Bird Freightliner Kenworth Sterling Truck
4.6172 Reviews
$46.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2002 - 2004 Sterling Truck AT9500, 1996 - 2001 Kenworth T800, 2001 - 2001 Freightliner Argosy, 2001 - 2001 International Harvester 2674, 2000 - 2000 Freightliner FLD120, 2000 - 2000 Freightliner Argosy, 1999 - 1999 Freightliner FLD112, 2003 - 2003 Freightliner Argosy, 2003 - 2004 International Harvester 8600 SBA, 2002 - 2004 International Harvester 5600i, 2002 - 2004 Freightliner Condor, 2003 - 2004 International Harvester 9900i, 2003 - 2003 International Harvester 2674, 1998 - 1999 Freightliner Century Class, 1999 - 1999 Freightliner FLD120, 2001 - 2001 Freightliner Condor, 2001 - 2003 Freightliner Century Class, 1998 - 1999 Freightliner FLD120, 2001 - 2004 Freightliner Argosy, 2003 - 2004 International Harvester 9200i SBA
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #10183TKU
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Belt Tensioner with Pulley for Freightliner Columbia International Harvester
A-Premium®Part # APBT0325
Belt Tensioner with Pulley for Freightliner Columbia International Harvester
4.6172 Reviews
$57.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998 - 1998 Blue Bird TC2000, 2006 - 2006 Freightliner Century Class, 2005 - 2005 Freightliner Century Class, 2007 - 2007 Freightliner Classic, 2005 - 2005 Freightliner Columbia, 2001 - 2001 Freightliner Condor, 2007 - 2007 Freightliner Coronado, 2005 - 2006 Freightliner Coronado, 2004 - 2004 Freightliner FB65, 1995 - 2003 Freightliner FL50, 1995 - 1999 Freightliner FL60, 1995 - 2000 Freightliner FL70, 1995 - 2005 Freightliner FL80, 2005 - 2007 Freightliner FLD120, 2007 - 2007 Freightliner FLD120SD, 2005 - 2007 Freightliner FLD132, 2008 - 2008 Freightliner FS65, 2007 - 2007 Freightliner FS65, 2001 - 2001 Freightliner FS65, 2004 - 2005 Freightliner XC
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
ConditionNew
item #1000G0QW
Note
This item comes with the Pulley.
Show less
Belt Tensioner with Pulley for Freightliner MT35 1997-2001 MT45 Peterbilt
A-Premium®Part # APBT0319
Belt Tensioner with Pulley for Freightliner MT35 1997-2001 MT45 Peterbilt
4.6172 Reviews
$41.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1993 - 1993 Blue Bird SHL TC2000, 1993 - 1993 Blue Bird TC2000, 1996 - 1996 Blue Bird TC2000, 1997 - 1997 Freightliner FL50, 1992 - 1992 Freightliner FL60, 1995 - 1995 Freightliner FL60, 1997 - 1997 Freightliner FL60, 1993 - 1993 Freightliner FL70, 1995 - 1997 Freightliner FL70, 1996 - 1996 Freightliner FL70, 1995 - 1995 Freightliner FL80, 1997 - 1997 Freightliner FL80, 1997 - 2001 Freightliner MT35, 2001 - 2001 Freightliner MT45, 2007 - 2007 Freightliner MT45, 2001 - 2001 Freightliner MT55, 2010 - 2010 Freightliner MT55, 2003 - 2003 New Flyer C40, 2002 - 2003 New Flyer C40LF, 2002 - 2003 Orion Bus Orion VII
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Blue Bird
Item LocatedUnited States
Quantity1
ConditionNew
item #1000EYK3
Note
This item comes with the Pulley.
Show less

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