| OMC / Volvo Upper
Drive | 
| Type | OE# | Part# |  | 
| Upper gear set, cobra 5.7L and 5.8L 21:16
ratio | 983825 | 87825 |  | 
| Upper gear set, cobra 5.0L  21:18 ratio | 983826 | 87826 |  | 
| Upper gear set, cobra 4.7L  21:19 ratio | 984012 | 87812 |  | 
| Upper pinion Bearing, cobra | 983891 | 18-1161 |  | 
| Shift cable bellows, cobra drives | 911826 | 85826 |  | 
| Impeller, cobra drives | 983895 | 87895 |  | 
| Water Pump Kit with housing, cobra drives | 984461 + 984744 | 67461K |  | 
| Upper seal Kit, cobra drives | 387603 | 62202 |  | 
| Impeller, brass hub, stringer drives | 379475 | 83475 |  | 
| Water Pump Kit with housing, stringer
drives | 983218 | 83218 |  | 
| Upper seal Kit, stringer drives 1973-86 | 982949 | 82949 |  | 
| Water Pump service Kit, stinger drives | 983218 less housing | 83218K |  |