FitCheckrReplacement comparison
489KKU770 vs 1151
Ninja BL770 Pitcher Lid 489KKU770 and Vitamix Wet Blade Assembly 1151 target different blender and food processor parts models, part numbers, or attachment formats.
Seal fit
489KKU770: Replace when ...
1151: Replace when ...
Official product image references
Use the manufacturer reference images to identify the two parts before comparing model support and usage.
Which replacement should you use?
Risk summary
Ordering by appliance type alone can lead to a part that looks close but will not lock, seal, drain, or service the same wear point.
Main difference between 489KKU770 and 1151
Which one fits which models
Use 489KKU770 for the model family described on its replacement page. Use 1151only when your device model or manual explicitly lists that part number.
Buyer mistake warning
Do not substitute by shape alone. The most important difference to check here is seal fit.
When to choose 489KKU770
Choose 489KKU770 when the old part, label, or manual names that part family.
When to choose 1151
Choose 1151 when the appliance model and old part match that family instead.
Frequently asked questions
Are 489KKU770 and 1151 interchangeable?
Ninja BL770 Pitcher Lid 489KKU770 and Vitamix Wet Blade Assembly 1151 target different blender and food processor parts models, part numbers, or attachment formats.
What is the main difference between 489KKU770 and 1151?
The main difference to verify is seal fit. Ordering by appliance type alone can lead to a part that looks close but will not lock, seal, drain, or service the same wear point.
When should I choose 489KKU770?
Choose 489KKU770 when the old part, label, or manual names that part family.
When should I choose 1151?
Choose 1151 when the appliance model and old part match that family instead.
Can I rely on part photos alone?
No. Part photos help identify packaging and shape, but compatibility should be confirmed by exact model support, part number, replacement type, and manufacturer references.
Official reference pages
Use these manufacturer pages to inspect current part photos, packaging, and model language. FitCheckr's comparison notes summarize fit risk, but the official pages should be used to confirm current part details before choosing a replacement.
| Fit signal | 489KKU770 | 1151 |
|---|---|---|
| Brand family | Ninja | Vitamix |
| Replacement type | pitcher lid | blade assembly |
| OEM status | oem | oem |
| Replacement interval | Replace when latch fails | Replace when bearings fail |