FitCheckrReplacement comparison
891 vs W11091617
Vitamix Drive Socket 891 and KitchenAid K400 Blender Jar Lid W11091617 target different blender and food processor parts models, part numbers, or attachment formats.
Seal fit
891: Replace when ...
W11091617: 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 891 and W11091617
Which one fits which models
Use 891 for the model family described on its replacement page. Use W11091617only 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 891
Choose 891 when the old part, label, or manual names that part family.
When to choose W11091617
Choose W11091617 when the appliance model and old part match that family instead.
Frequently asked questions
Are 891 and W11091617 interchangeable?
Vitamix Drive Socket 891 and KitchenAid K400 Blender Jar Lid W11091617 target different blender and food processor parts models, part numbers, or attachment formats.
What is the main difference between 891 and W11091617?
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 891?
Choose 891 when the old part, label, or manual names that part family.
When should I choose W11091617?
Choose W11091617 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 | 891 | W11091617 |
|---|---|---|
| Brand family | Vitamix | KitchenAid |
| Replacement type | drive socket | jar lid |
| OEM status | oem | oem |
| Replacement interval | Replace when stripped | Replace when seal fails |