OMC 911699 0911699 Cobra Water Pump Adapter Plate Upper Gearcase Housing 1986-93 NOS Found in Mark 6 &

Found in Mark 6 & 6A (and possibly others)

but seems that this was used on quite a few 280 & 290 model sterndrives

Rotor 393-3896

Was used on 115hp 1150 135hp 1350

OMC 911699 0911699 Cobra Water Pump Adapter Plate Upper Gearcase Housing 1986-93 NOS Found in Mark 6 &Part Number(s) Included OMC 911699 0911699 Upper Gear Housing Water Pump Housing Adapter Plate. General Application Compatibility This would have been found on all of the standard OMC Cobra models 1986 1993 (and some of the "Baby King Cobra" models 1986 1989) regardless of engine configuration. I. E. 4cyl 2. 3L Ford 4cyl 2. 5L 120hp 3. 0L 140hp 4. 3L V6 190hp 205hp 5. 0L 305 V8 5. 7L 350 260hp V8 5. 0L 302 Ford 5. 8L 351 Ford 7. 5L 460 Ford Other