There are 2 other threads about this tensioner, so there is obviously interest and some valid questions which I will attempt to answer here.
Why did you produce this tensioner?
At Centerline International, we talk to many customers daily, and it became clear to us that many V6 Alfa owners have considerable anxiety over timing belt failures. In many cases this is actually limiting how much use their cars get. We want our customers to be able to use and enjoy their cars without worry.
Why is this tensioner design different than Alfa's original tensioners?
Both original Alfa Romeo designs are actually timing belt de-tensioners. They loosen the belt slightly as the engine heats up. With modern belts this de-tensioning is not necessary, and both original designs have distinct failure risks. The Staybelt Ultimate is strictly a timing belt tensioner - a simpler design that is manually locked and will not release tension, which avoids the failure modes of the original designs.
How is this different from the original Staybelt tensioner?
The original Staybelt tensioner, sold by Alfaheaven (AKA the ZAT tensioner), proved this concept over literally hundreds of thousands of miles. Our update to the design was necessary because the original design required the eccentric arm and bearing from a factory Hydraulic-style tensioner, and both of those are getting quite difficult to find these days. The Staybelt Ultimate is sold as a complete unit that does not require these additional parts.
Does the warranty cover the bearing?
The bearing used on the Staybelt Ultimate is an OEM-quality automotive bearing that will not have the availability issues of the original Alfa bearing going forward. It is also covered under the lifetime warranty. That's right - if you are the original purchaser of the tensioner and the bearing wears out we will replace it. However our testing indicated the bearing should easily last multiple belt changes. If someone other that the original purchaser needs a replacement bearing they will be available at a very reasonable cost.
Centerline International - Alfa Romeo Parts & Accessories
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