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2017 Subaru BRZ Belt Tensioner

3 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 for Subaru Impreza Outback WRX 2.0L 2.5L 3.6LBelt Tensioner for Subaru Impreza Outback WRX 2.0L 2.5L 3.6L
A-Premium®Part # APBT0214
Belt Tensioner for Subaru Impreza Outback WRX 2.0L 2.5L 3.6L
4.6175 Reviews
$47.99
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3-year warranty
90 days free return
Fits 2016 - 2017 Subaru Crosstrek, 2015 - 2020 Subaru WRX, 2014 - 2018 Subaru Forester, 2014 - 2018 Subaru Forester, 2013 - 2019 Subaru BRZ, 2013 - 2019 Subaru Legacy, 2013 - 2019 Subaru Outback, 2013 - 2015 Subaru XV Crosstrek, 2012 - 2015 Subaru Impreza, 2011 - 2013 Subaru Forester
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Vehicle: 2017 Subaru BRZ
Item LocatedUnited States
Quantity1
MaterialThermoplastic
ConditionNew
item #10037Q8N
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A-Premium APBT0474 Accessory Belt Idler Pulley
A-Premium®Part # APBT0474
A-Premium APBT0474 Accessory Belt Idler Pulley
4.6175 Reviews
$22.99
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3-year warranty
90 days free return
Fits 2022 - 2023 Toyota GR86, 2018 - 2019 Ford Fiesta, 2017 - 2020 Toyota 86, 2014 - 2016 Ford Fiesta, 2013 - 2020 Subaru BRZ, 2013 - 2016 Scion FR-S, 2012 - 2012 Suzuki SX4 Crossover, 2011 - 2013 Ford Fiesta, 2011 - 2011 Workhorse W62, 2010 - 2013 Cadillac Escalade, 2010 - 2013 Suzuki Kizashi, 2010 - 2013 Suzuki SX4, 2009 - 2009 Cadillac Escalade, 2008 - 2008 Ford Escape, 2008 - 2008 Mercury Mariner, 2006 - 2009 Ford Fusion, 2006 - 2009 Mercury Milan, 2006 - 2006 Ford Ranger, 2006 - 2006 Lincoln Zephyr, 2006 - 2006 Mazda B2300
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2017 Subaru BRZ
Item LocatedUnited States
Quantity1
MaterialThermoplastic
ConditionNew
item #1005UU5T
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AISIN Drive Belt Tensioner Assembly for Subaru Outback Forester Impreza Legacy
AisinPart # BTF-00396
AISIN Drive Belt Tensioner Assembly for Subaru Outback Forester Impreza Legacy
4.6175 Reviews
$44.99
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3-year warranty
90 days free return
Fits 2016 - 2017 Subaru Crosstrek, 2015 - 2020 Subaru WRX, 2014 - 2018 Subaru Forester, 2013 - 2019 Subaru BRZ, 2013 - 2019 Subaru Legacy, 2013 - 2019 Subaru Outback, 2013 - 2015 Subaru XV Crosstrek, 2012 - 2015 Subaru Impreza, 2011 - 2018 Subaru Forester
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2017 Subaru BRZ
Item LocatedUnited States
Quantity1
Part interchange
APV3181, 23769AA040
ConditionNew
item #1018KR4A
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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