Which part did you mean?
Sometimes different manufacturers use similar part numbers.
Which one of those listed below did you mean?| CDI (850439) CDI850439 - .............................. |
| Volvo Penta (850439) VOL850439 - MULTIPLE REPLACE PROPELLER |
| Mercury Marine (91-850439) 91-850439 - SPARK TESTER QPD=NO - Replaced by 91-850439T |