| Part Number | Description | Status | |
|---|---|---|---|
| ⚠ | M899351T | LOWER UNIT ASSEMBLY Complete (72# - Variable) Marked MUC397022 - NOTE: See Lower Unit Assembly Section For Service Parts Breakdown | superseded |
| → | 8M0056703 | LOWER UNIT ASSEMBLY Complete (75# - Variable) Stamped 2280 | discontinued |
Use 8M0056703 — this is the current replacement.