| Part Number | Description | Status | |
|---|---|---|---|
| ⚠ | 816475A21 | PARTIAL ENGINE ASSEMBLY - Bravo Models - See NOTE #2 And NOTE #3 - Includes Internal Parts And Cylinder Heads - Internal Balanced [0L000182] THRU [0L001607] | superseded |
| → | 816475A26 | PARTIAL ENG-500BD | discontinued |
Use 816475A26 — this is the current replacement.