Duramont Office Chair Gas Lift Cylinder Replacement - Universal Size Fit All - Heavy Duty - Includes Removal Tool, Instructions & Gloves

The included removal kit to remove the old cylinder was a lifesaver, and an absolute necessity! Even with it, it was very difficult, but without it, it would have been impossible! The one improvement I would make on this kit is for it to have a better grip on the old cylinder. Even I tighten the screws on this kit as tight as I possibly could It still slipped a little bit but I managed to get it off! The new cylinder works well with my old 2016 chair! I'm definitely keeping that kit, but I can't take the screws out of it because the end of the screws are flattened to the point where they don't come out of it.

Could not get the collar to work and was going to return but was finally able to remove old cylinder by hammering at it for a while. Rate this a 4 as the Cylinder is fantastic.

Das mitgelieferte Werkzeug war der Hauptgrund für den Kauf. Dies kann ich ohne Probleme empfehlen. Die Verarbeitung des mitgelieferten Werkzeugs ist hochwertig. Hiermit gelingt der Ausbau der alten Feder aus dem Korpus perfekt und mühelos. Beim trennen der Verbindung zwischen Gasdruckfeder und Fußkreuz ist nach wie vor "brutale" Gewalt notwendig. Aber dies ist bedeutend leichter als die Verbindung zur Stuhlmechanik zu lösen. Leider gab es Verzögerungen beim Zoll. Hierfür kann der Anbieter jedoch nichts. Zur Gasdruckfeder kann ich nichts sagen, da ich diese nicht verwende. Das war der einzigste Anbieter für ein Demontage Werkzeug.

5 months later, Cylinder is already wobbly, squeaky, occasionally goes all the way down while i sit on it and also goes down about an inch while im sitting (if its trying to hold pressure? if that makes sense). not good.. wasnt the cheapest option either. The removal tool helped remove the old cylinder from the seat with some effort, but removing it from the base was still really tough. might just need to buy a new chair. most of these cylinder options are pretty bad. already on my 2nd amazon gas cylinder in a matter of a couple years. at least the first one lasted me a year or so this one was already showing signs that it wont last after 3-4 months.

I very seldom rate products, but this time I need to do just that. My favorite chair had a failing lift cylinder, and it was either buy a new one, or find a replacement cylinder and try to figure out how to change it out. I saw Dumont replacement cylinder and decided to try it. The cylinder's instructions were clear and well written, with excellent illustrations. The removal tool is a well designed and a clever low cost modification of a wheel puller. The addition of gloves in the kit was a nice touch. My only suggestion is that the outer diameter of the tool needs to be increased slightly, as the puller screws were rubbing on the cylinder shaft while I was tightening them as there was minimal clearance available. Other than that, the cylinder removal and installation methods were as described (my removal required the overnite application of WD-40 as suggested in the instructions). The cylinder seems very strong and MUCH beefier than the orginal that came with the chair. This is a great choice if you want to keep your favorite chair whos lift cylinder is failing. Well worth the effort and a great value.