New SEI / Mercury 1987 & Up 70-125 HP 3/4 Cylinder 6 Jaw Gearcase

This listing is for a New SEI / Mercury 1987 & Up 70-125 HP 3/4 Cylinder 6 Jaw Gearcase.

Replaces most Mercury 3&4 Cylinder 2-Stroke 1987 and newer 70-125 HP
Also replaces most 75-115 HP 4-Stroke below Serial #OT801000.
This unit will not replace a 3 jaw lower unit unless you also change the shift shaft in the midsection.

This unit comes with a three-year fault-free warranty. For further details, please see the complete warranty at https://www.obparts.com/sei-marine-parts-warranty-policy/.