Dayco® 89447 - No Slack™ Heavy Duty Automatic Belt Tensioner Assembly

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$172.12
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Vehicle Fitment

MakeModelYear
AutocarXpeditor 2006, 2008
FreightlinerCentury 2005-2006
Classic 2006
Columbia 2004-2007, 2013-2015
Coronado 2004-2008
International7600 2005-2007
7700 2005-2007
9200 2004-2008
9400 2004-2007
8600 SBA 2005-2007
PayStar 2005-2011
ProStar 2009-2010
TranStar 2008-2010
WorkStar 2008-2010
KenworthT660 2010-2013
T800 2005-2016
W900 2004-2009
Peterbilt320 2008-2017
357 2005-2007
365 2008, 2011-2016
367 2010-2014
378 2005-2007
379 2004-2006
384 2008-2011
385 2005-2007
386 2009-2011
387 2005-2007
388 2011-2014
567 2016-2017
SterlingL9500 2006
LT9500 2006
Western Star4900 2005-2007

Product Details

No Slack™ Heavy Duty Automatic Belt Tensioner Assembly (89447) by Dayco®. Serpentine belt drives consist of a single belt that powers most, if not all, of the engine’s accessories. Designed to maintain constant tension on serpentine belt drives, the Dayco Automatic Belt Tensioner features the original flat spring design engineered to provide less operating range variations in tension. This innovative design reduces the risk of premature accessory bearing failure due to high tension when a new belt is installed and lessens the risk of belt noise and slippage, or poor accessory performance caused by low tension after the belt begins to stretch and wear. A PTFE strip wound within the spring resists abrasion and the flat spring is coated to resist rust.

Specifications

Belt Type: Serpentine
Type: Automatic
Direction: Counter Clock Wise
Number Of Pulleys: 1
Pulley 1 Diameter: 74 mm
Pulley 1 Flat: Y
Pulley 1 Width: 42.6 mm

Features

  • Heavy duty cast aluminum spring case that resists cracking and fatigue
  • Steel pivot tube which provides additional strength for critical torque requirements
  • Thermoplastic rubber spring slot plug that helps keep out harmful contaminants
  • Lubricated nylon pivot tube bushing and spring bushing for quieter performance
  • Rubber “O” ring which seals against dust and grime

When you need to repair your accessory drive belt system you can battle the traffic and stand in line at the auto parts chain store, only to be told that what you need is out of stock and has to be ordered. And if they have the parts can you be assured of the quality? Do you recognize the name on the box? And how do you know if you’re getting the best price?

You won’t have those concerns with our replacement drive belt parts. We carry only top name products from well-known OE and aftermarket suppliers. In fact, many of our manufacturers are suppliers to the vehicle manufacturers, so the parts you get from us may be the same as the ones that came on your car or truck. We carry everything from replacement belts to pulleys and tensioners, which will restore optimal rotation speed and quiet to all your underhood accessories. And unlike many other on-line vendors, we don’t just have the big items and let you scramble for the details. We carry everything needed to complete the job.

And the best part is you can have these top quality parts, at the best prices, with just a few clicks of the mouse or a call to one of our knowledgeable sales associates. No traffic, no standing in line, order from the comfort of your home or office. With our drive belt parts you can schedule the repair when it’s convenient for you.

We’re so confident that you’ll be completely satisfied with the quality of our parts and service that we offer a hassle-free 30-day return policy. If you’re dissatisfied in any way, just return your unused purchase in its original packaging for a complete refund.

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Since 1905, Dayco® has been a leader in the automotive parts manufacturing industry. During the early 1900s, Dayco was the first and only company manufacturing the airless tire. By the 1920s, the company had a robust tire manufacturing process in Dayton, Ohio for cars, large trucks and buses. From its founding to today, the company has followed its primary business strategy to anticipate and satisfy all the needs and requirements of its customers by providing innovative, quality, and durable products. Today its wide product line includes belts, tensioners, pulleys and hydraulics equipment for the automotive, construction, trucking, ATV, agricultural, snowmobile, and industrial markets.

Brand:
Part Number:
89447
UPC:
036687422347
Alternate MPN:
89447

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Dayco® 89447 - No Slack™ Heavy Duty Automatic Belt Tensioner Assembly
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