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2024 Freightliner 114SD Belt Tensioner

5 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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Accessory Belt Tensioner for Freightliner 114SD Cascadia Sterling Truck A9500Accessory Belt Tensioner for Freightliner 114SD Cascadia Sterling Truck A9500
A-Premium®Part # APBT0528
Accessory Belt Tensioner for Freightliner 114SD Cascadia Sterling Truck A9500
4.6174 Reviews
$133.99
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3-year warranty
90 days free return
Fits 2024 - 2024 Freightliner Cascadia, 2024 - 2024 Freightliner Cascadia, 2023 - 2023 Freightliner 122SD, 2023 - 2023 Freightliner Cascadia, 2022 - 2022 Freightliner 122SD, 2021 - 2025 Freightliner Cascadia, 2020 - 2020 Freightliner Cascadia, 2016 - 2021 Western Star 5700XE, 2016 - 2021 Western Star 5700XE, 2016 - 2021 Western Star 5700XE, 2016 - 2018 Western Star 4900FA, 2016 - 2016 Freightliner Coronado, 2015 - 2020 Freightliner 122SD, 2014 - 2021 Freightliner Cascadia, 2014 - 2020 Freightliner 122SD, 2014 - 2019 Freightliner 122SD, 2014 - 2014 Freightliner 122SD, 2013 - 2022 Freightliner Sport Chassis, 2013 - 2021 Western Star 4700SB, 2013 - 2021 Western Star 4700SF
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2024 Freightliner 114SD
Item LocatedUnited States
Quantity1
MaterialSteel, Steel, Steel
ConditionNew
item #1015DW1G
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Drive Belt Tensioner Assembly for Freightliner 114SD 122SD M2 112 Cascadia
AisinPart # BTAZ-00268
Drive Belt Tensioner Assembly for Freightliner 114SD 122SD M2 112 Cascadia
4.6174 Reviews
$201.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2024 - 2024 Freightliner Cascadia, 2023 - 2024 Freightliner Cascadia, 2023 - 2023 Freightliner 122SD, 2022 - 2022 Freightliner 122SD, 2020 - 2021 Freightliner Cascadia, 2016 - 2021 Western Star 5700XE, 2014 - 2020 Freightliner 122SD, 2014 - 2019 Freightliner 122SD, 2013 - 2022 Freightliner Sport Chassis, 2013 - 2021 Western Star 4700SB, 2013 - 2021 Western Star 4700SF, 2013 - 2015 Western Star 4800SF, 2012 - 2024 Freightliner 114SD, 2012 - 2021 Western Star 4800SB, 2011 - 2022 Freightliner M2 112, 2011 - 2021 Freightliner Cascadia, 2011 - 2021 Western Star 4900EX, 2011 - 2018 Western Star 4900SA, 2011 - 2016 Freightliner Coronado, 2011 - 2012 Western Star 6900XD
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2024 Freightliner 114SD
Item LocatedUnited States
Part interchange
366545510790
ConditionNew
item #1018ZW2E
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Accessory Belt Idler Pulley for Freightliner Sterling Truck Western Star Diesel
A-Premium®Part # APBT0644
Accessory Belt Idler Pulley for Freightliner Sterling Truck Western Star Diesel
4.6174 Reviews
$31.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2025 - 2025 Freightliner 114SD, 2025 - 2025 Freightliner Cascadia, 2025 - 2025 Freightliner Cascadia, 2025 - 2025 Freightliner M2 112, 2024 - 2025 Freightliner Cascadia, 2024 - 2024 Freightliner Cascadia, 2024 - 2024 Freightliner Cascadia, 2024 - 2024 Freightliner Cascadia, 2024 - 2024 Freightliner M2 112, 2023 - 2024 Freightliner 114SD, 2023 - 2023 Freightliner 122SD, 2022 - 2022 Freightliner 114SD, 2022 - 2022 Freightliner 122SD, 2021 - 2023 Freightliner Cascadia, 2020 - 2021 Freightliner Cascadia, 2020 - 2021 Freightliner Cascadia, 2016 - 2021 Western Star 5700XE, 2016 - 2021 Western Star 5700XE, 2016 - 2021 Western Star 5700XE, 2016 - 2018 Western Star 4900FA
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2024 Freightliner 114SD
Item LocatedUnited States
Quantity1
MaterialSteel
ConditionNew
item #10183TX7
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Belt Idler Pulley for Kenworth T2000 T660 T680 T700 Mack CL CXU Peterbilt 320
A-Premium®Part # APBT0615
Belt Idler Pulley for Kenworth T2000 T660 T680 T700 Mack CL CXU Peterbilt 320
4.6174 Reviews
$34.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2023 - 2023 Freightliner 114SD, 2023 - 2023 Kenworth T680, 2022 - 2024 Freightliner Cascadia, 2022 - 2023 Kenworth T680, 2022 - 2022 Freightliner 114SD, 2022 - 2022 International Harvester HX520, 2022 - 2022 International Harvester HX620, 2021 - 2021 Freightliner 122SD, 2021 - 2021 International Harvester HX520, 2021 - 2021 International Harvester HX620, 2021 - 2021 International Harvester LoneStar, 2021 - 2021 Kenworth T680, 2020 - 2023 International Harvester LT625, 2020 - 2023 Kenworth W990, 2020 - 2020 Peterbilt 520, 2020 - 2020 Peterbilt 520, 2019 - 2020 International Harvester LoneStar, 2019 - 2020 Peterbilt 567, 2019 - 2019 Autocar LLC. Xpeditor, 2019 - 2019 Freightliner Cascadia
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2024 Freightliner 114SD
Item LocatedUnited States
Quantity1
Part interchange
3682229, 3689465, 36223
ConditionNew
item #1015DUXH
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AISIN Drive Belt Idler Pulley for Mack CL CXU Volvo VT VNL VNM Kenworth T660
AisinPart # BTAZ-00270
AISIN Drive Belt Idler Pulley for Mack CL CXU Volvo VT VNL VNM Kenworth T660
4.6174 Reviews
$51.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2023 - 2023 Kenworth T680, 2022 - 2024 Freightliner Cascadia, 2022 - 2023 Freightliner 114SD, 2021 - 2021 Freightliner 122SD, 2020 - 2023 Kenworth W990, 2020 - 2021 International Harvester LoneStar, 2019 - 2020 Peterbilt 520, 2019 - 2019 International Harvester LoneStar, 2019 - 2019 International Harvester ProStar, 2018 - 2023 International Harvester LT625, 2018 - 2022 International Harvester HX520, 2018 - 2021 Peterbilt 367, 2018 - 2018 Peterbilt 365, 2017 - 2022 International Harvester HX620, 2017 - 2019 Freightliner Cascadia, 2017 - 2019 Kenworth T800, 2016 - 2020 Kenworth T880, 2016 - 2020 Peterbilt 567, 2016 - 2017 Freightliner 114SD, 2016 - 2016 Autocar LLC. Xpeditor
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2024 Freightliner 114SD
Item LocatedUnited States
Part interchange
36223, 3682229, 3689465
ConditionNew
item #1018PDE4
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