Blade Replacement Part BEFORE ORDER you need to check your Old Blade to make sure the following conditions.

1) Count the FINS and it shoud be 6-FINS.
2) The blade has FEMALE FINS.
3) Around 4 inches in Diameter.

Please Check all the Product Images to Make Sure you are buying the Right Blade for your Ninja Blender.

Tips Before Use
1) It is recommended that the blade unit should be replaced for your blender every 6 months or as needed for optimal performance.
2) Check whether the gear of the bottom loosen or tighten before use. If it's loosen, please tighten it.
3) Check the rubber seal ring gasket and make sure it is snugly inserted into the bottom blade. (Rubber gasket is used to avoiding leakage)
4) Place the replacement blade onto the cup and screw it tightly until you have a good seal.
5) Please make sure it in right place and locked tightly.
6) Do not run your blender over 1 minutes at a time to prevent overheating of the blender.
7) If you encounter any problems, feel free to contact us and we will assit you ASAP.