Volvo Penta 3868077 3857007 Cobra SX DP-S Upper unit Gearcase 4.3 1.66 1.43 1.51 Piston Sets 13-33734 Lock Washer

13-33734 Lock Washer

The easy way to tell between a mechanical shift & hyrdo-mechanical shift drive is that the hydro-mechanical ones DO NOT have the visible anode square chunk next to the six little holes on each side toward the rear of the lower unit

Swivel Bracket: 1401-1080A1

It shouldn't inhibit function at its current state

25" - This was the LONGEST pin that they produced

Volvo Penta 3868077 3857007 Cobra SX DP-S Upper unit Gearcase 4.3 1.66 1.43 1.51 Piston Sets 13-33734 Lock WasherPart Number(s) Included Volvo Penta OMC Joint Venture 3868077 3850966 3856181 3857007 Cobra SX Sterndrive Upper Gearcase Unit From a 4. 3L GL 1994 Model 22 23 Teeth For the Upper Gears General Application Compatibility So 1. 66 is stamped on the plate, but basically the uppers only came in 2 flavors and the lowers came in 5 flavors, 1. 66 reflected the "overall" ratio after combining the upper & lower, hopefully this guide clears up any confusion.