Blender Replacement Parts for Ninja, 32oz&24oz Cup and with Lids New, 7 Fins Extractor Blade, for Nutri Ninja Auto iQ BN801 BL640-30 BL642-30 (4 Pcs)

After fighting with the smoothie cup and especially the bladed base for over 3 months, finally, the cup and lid work flawlessly again! Every morning I would get a serious upper body workout trying first to get the threads aligned and screw the base onto the cup. I needed it on there aligned, but not twisted on too tightly because then I would not be able to get it back off without putting it into the vice and using large pliers to remove the black bladed base from the cup. But even with finally getting the threads aligned and screwed onto the cup, it would not be enough for the blender base so getting it to “click” into the base was also a workout. Sometimes I had to struggle to unscrew the lid and try putting it back on aligned with the threads again. I finally get that done again and get out twisted into the blender base. And of course it leaked when I removed it from the base. Then I would dread the removal of the lid. Seldom could I get it without immense struggle. Grab it and TWIST!!! Dang it! Wipe it off cause it is leaking. Rub hands together, get psyched up, jump up and down a bit to prepare (like I am going into a fight), okay I got this….Grab it and TWIST….10 min later I wind up in the shop with the thing in a vice, hoping it didn’t bust this time leaving everything cover in green smoothie.BUT NEVER AGAIN!Tried this new replacement for the first time today and I am in heaven. The lid was easy to align and twist on like a normal threaded lid! Gasp!! Put in into the base, it twists it easily! Oh!! When the smoothie is done, I easily twist it out of the machine and get this….NO LEAKING! Now for the last leg, please, please…unscrew the blades base and it is easy as turning on the kitchen tap. Oh delicious green smoothie trickling down into my empty stomach just made my day and I can look forward to smoothie making again.This replacement is amazing. It works like it is supposed to work. I wish I had found this the first day I struggled to unscrew the top. I can’t get that time back, from this day forward, I will never have to fight with the cup and base again.Thank you for this excellent Ninja cup and blade replacement.

It took a while to check that the product adapted for my model.Work perfectly.

This appeared to be a great value within the first year. Then begin seeing liquids leak through blade base. Looking at the base closer there are hairline cracks that go through around the blade stem. Not as great of value as initially appeared.

Love these, some of the pieces have been upgraded for more quality fit

The piece is great but fits tight in the ninja, sometimes difficult to remove after using .

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Working very well

These are great replacements for the Ninja.