1-pack Extractor Blade Assembly 7 Fins Ninja Blender Blade Ninja Blender Replacement Parts Compatible with Ninja Blenders Auto iQ BL480 BL482 BL642 BL682 NN102

This fits the Ninja blender perfectly and for a fraction of the cost. It seals well and works just like the brand name blade. This is the second replacement I've purchased; we get about 4-5 years out of them. I always hand wash so I can't speak to dishwasher experience.

Item: Extractor Blade Assembly 7 Fins Ninja Blender...Seller: PODCAYTl;Dr: Looks like OEM, but poor quality. No support from seller. Per Amazon, seller is from China and is uncommunicative.---While it looks remarkably similar to OEM and performs similarly, it does not last long. Original one lasted about a decade while this after market broke down just after two months. Its ball bearings had failed - even if manufacture uses better bearings, I would appreciate a redesign that allows consumer to replace ball bearing themselves with ones sold on Amazon. Will reach out to seller for warranty/replacement and update review as needed.--- update ---So Amazon support is hit and miss. Some people helpful - some not. First Amazon agent, Amarpali, said they would send a message out to seller and that the response will be within 72 hours. I had Amazon agent Burada confirm this. Days later, no response so I reached out to Amazon and was connected to agent Mohammad Altaf. He didn't seem to understand that I wanted to reach out to manufacture for warranty support and quoted return policies and brought up return window. He then suggested I repurchase the item. I retyped my request (guess I should have just told him to scroll up on the chat conversation and re-read) that I wasn't requesting a return, but was requesting communication with seller for after-sales service. Got a message shortly after that Mohammed was having "techincal difficulties"... Re-connected with another Amazon agent, Nikhil, and he informed me that this seller, Podcay, was from China and is unresponsive (!), and proceeded to resolve my issue.

I love my Ninja Blender so much. I make a protein shake every day, one with plenty of ice cubes and sometimes fruits and vegetables. The higher watt motor of the Ninja makes it all work perfectly. But these dang blender blade assemblies don't hold up. I imagine the problem is the amount of torque exerted by the 1500 watt motor. The black plastic that holds the blade in place always develops cracks, and then my protein shake starts sneaking through those cracks as it is being blended. Also, the blade element gets a little bit loose, which allows some other leaking. I've tried tightening it (it's tricky because you have to do the opposite of what feels right). Most of these assemblies last me less than 6 months, including the one that came with the blender and was (I assume) made by Ninja. Still, buying a new one of these every 6 months or so is cheaper than buying a new blender. It comes with a gasket that slips into the depth of the threaded part and should help prevent leaking - it does, but only in the part it is protecting. That gasket can't do anything about leaking through cracks in the plastic. I believe that, although the blades are quite sharp, the real work of blending happens through the creation of cavitation pockets . . . that takes a powerful motor.

Fit, form, and function are perfect! I will purchase again as needed... Go for it!

This is working great for Costco model CO905KS

The bottom is rubber so it will wear off. It worked great the first time I used it but, the rubber will wear off so fast that it stops working. Not worth buying.

I loved it, it leaves the smoothies super creamy and without lumps.I put it in seconds and it was perfect in my blender.You can tell it's resistant, it's totally worth it.

Works well, good size, value for money