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Bought these from amazon because amazon is reputable. Saw the long warranty and thought it would all be good. Cylinders are on a small us general toolbox that holds a diagnostic laptop. toolbox is out of the way and never moves. These cylinder failed in less than a year. The seller has been glacially slow in providing warranty but the seller does have several excuses. Then they needed my credit card to cover the "shipping". If you buy these thinking you are getting a quality product with a useful warranty, you are as mistaken as I was. Keep looking. These are junk. Warranty is garbage. Neither the manufacturer nor the seller has any regard for customers. Just like numerous other reviewers stated, warranty is worthless.
Don’t buy This is the 3rd set I’ve had and they fail. They are worthless . I have them on a shell on my Silverado I always end up using my vice grips to hold them open. Frustrating My part # is C16-06389 I am going to look for a better brand My shell originally came with them. They failed but lasted a long time I bought another set about 4 years ago they lasted about 2-1/2years . I bought another set and they lasted about a year and a half I Have a work van that I use for work and my truck sits quite a bit I can’t believe they fail so quickly.
Magically at 10 months they COMPLETELY FAILED OVERNIGHT for no reason. Amazon got me in touch with seller who gave me the manufacturer contact info which was in German language!! So yah $18 set that are now $22 Suspa brand and i am not going to send them back to Eurooe. 5 year warranty USELESS. DON'T buy!