OK, typrus is right, you can put a new cartridge in the old housing. The guts of the old strut come out and a cartridge goes in. It is not originally a cartridge type strut.

Someone asked if it could be rebuilt. I guess if you could get the right seals and rubber rings, you could, but as you can see in the picture above, they are not standard o-rings. Toyota lists this as a non repairable part so I'm guessing they won't sell them to you. Also, they are gas charged and I don't see how you would get the gas in.

Here is the new strut. It slips right into place and a new gland nut is provided to center and hold it in place. The old gland nut cannot be used, it was the end seal of the strut. I used plenty of threadlocker on this.
If you don't have a vise, here is an alternative. Don't clamp down on it, just close the jaws enough to keep the strut body from turning while tightening the gland nut.


Now its ready for the strut mount. I ordered two new ones at O'Rielly's, when they came in, one box had the wrong part in it. Both boxes had the same part number. The new ones should be here tomorrow.
After I took these pictures, I heard something rattling in the box, so I dumped it out, it was the directions. The first thing is says is to remove the retaining string, there isn't any retaining string. It was also fully extended so I didn't have to "crack it open". I guess thats a Monroe thing. Anyway, just for kicks, I read the directions. Don't need no stinking directions with this one, its pretty simple.
When the blocks come in, I'll do more pics on the install and maybe post in the repair section.