Description
PolyForce Belt Tensioner Replaces OEM: A4-72200-0570
Utilizing the PolyForce™ Polymer Torsion Core instead of a spring, this belt tensioner is an instant upgrade from the Gates 38667, the most popular belt tensioner on ’08-’17 Freightliners with DD13, DD15 & DD16 engines.
Conventional belt tensioners use springs to hold their position and tension. However, springs can only flex so many times before they fail. PolyForce™ Belt Tensioners replace this spring with a longer lasting, new and unique Polymer Torsion Core. A compressed silicone replaces the spring, thereby eliminating the primary cause of failure.
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