Oster 5-Cup Glass Square Replacement Blender Jar, 4.5" Top for Oster Models Only

Perfect condition.

Fits great, and its glass, I didn’t want plastic, so happy they still make them.

Fit our early 70's model blender. I was prepared to be disappointed and return it, but it worked perfectly. The slight discrepancy in the height gave me pause, but I figured it wouldn't matter. Turns out it was the same exact height as the original.

Recently, while washing my original Oster jar (1987), it slipped out of my wet, soapy hands & the edge cracked when it hit the sink. A search on Amazon found this item. It's definitely a different shape (the picture on Amazon looks like my original; much straighter sides, very narrow base, clearly square top). What I received was shorter (by about 1/2") and flares much more rapidly from the base, making it fatter. It's also "basically" square at the top, but each side has a very slight indentation. Well, I just used it, and I love it! The broader shape definitely seems to allow a better mixing vortex. Made the kids a smoothie and was very pleased - much better blending. A couple of additional items beyond the shape: 1. My original bottom fit the new jar perfectly. 2. The description of this item very specifically said "THIS IS NOT A GENUINE OSTER PART." However, what I received was in an Oster box, and has Oster molded into the glass itself near the top, just like my original. 3. It came with a FLEXIBLE white top AND the insert. 4. The other thing that surprised me greatly was the word "BOROCLASS (R)" molded into the glass on the lower part of the handle (my original definitely didn't say that; I hadn't tossed it until I got this, and I looked all over it. To me, this is a very interesting plus. Boroclass is a trademarked name for borosilicate glass. This is what the original Pyrex was made of until the 1940's, when they started changing to soda-lime glass. If you Google Pyrex (with modifiers like "original" or "exploding"), you'll learn about this. While borosilicate is said to be a little less impact resistant than soda-lime (apparently, in addition to COST (soda-lime said to be cheaper, of course), a reason for the change in formulation), it's said to be much more thermally resistant (more tolerant (not impervious!) to temperature changes than is soda-lime glass; hence a major reason it's used in lab glassware. Well, though I'm not likely to take it from the oven and blend ice in it, I found this very interesting! All in all, very pleased. My concerns are that the picture isn't accurate to what I received (I've posted pictures of my old & new jars), and the description is inaccurate (mine is Oster, box & molded name). So I hope that you get what I did! Mine came from the supplier "SCS Collectibles," also apparently DBA "ToysNGamesEtc;" that may help, because several suppliers are listed.

Smaller than the original but it fits… just remember the lid is not included and is a different size as well !

Have been using the Oster two speed professional blender since 1990. While washing, it slipped out of my hands and broke. This is the exact glass replacement jar, very happy to have found it and hope it last another 35 years!

Product was exactly as advertized.

High quality, fair price & exact replacement-perfect fit. If you are considering-don’t hesitate.