SEI Mercury Replacement Outdrives, Uppers and Lowers - Mercury Bravo

SE121 Complete. Replaces Mercruiser Bravo One® drives. Available in Side Water Inlet and Dual Water Inlet Versions. Available in 1.36, 1.50 and 1.65 gear ratios. OE#'s 5120136KZ, 5120150KZ, 5120165KZ, 5231100TP, 5231200TP, 5231300TP . Not a replacement for Bravo X,XR or XZ drives. Rated for up to 425HP. Does not include Anode Kit. Please see related items below. We will need to know the exact model, year, and serial number of the drive you are replacing.

SE128 Complete, Replaces Mercruiser Bravo Three®, Dual Water Intakes. OE# 5441100TP, 5441200TP, 5441300TP, 5441400TP, 5441500TP, 5441600TP, 5441700TP. Available in 1.36, 1.50, 1.65, 1.81, 2.0, 2.20, 2.43 gear ratios. Not a replacement for Bravo X,XR or XZ drives. Rated for up to 425HP. Comes Exactly as Pictured. Each unit in a separate box. Includes SE121 Upper and Bravo 3 replacement lower. We will need to know the exact model, year, and serial number of the drive you are replacing.

This item is to replace 1992 and up Bravo One's with the oil passage.

It can be modified to backfit 1988-1991.

The oil passage in the waterway has to be plugged on early models that do not have the passage in the upper. It is best to drill and tap the hole and install a set screw with sealant. Make sure to place the screw flush or slightly below the surface.

This unit has side water intakes only. For dual water intakes see SE122.

• SE121 Upper 29/27 Tooth Count Fits Bravo 1, 1.36 Ratio Fits Bravo 2, 1.5 and 1.81 Ratio's Fits Bravo 3, 1.36 and 1.81 Ratio's
• SE121 Upper 30/23 Tooth Count Fits Bravo 1, 1.65 Ratio Fits Bravo 2, 2.20 Ratio Fits Bravo 3, 2.20 and 2.43 Ratio's
• SE121 Upper 32/27 Tooth Count Fits Bravo 1, 1.5 Ratio Fits Bravo 2, 1.65 and 2.00 Ratio's Fits Bravo 3, 1.5, 1.65 and 2.00 Ratio's

Not a replacement for Bravo X,XR or XZ drives. Rated for up to 425HP. Install Kit and Anode Kit not Included.

• 29/27 Tooth Count: OE #1589-8868H87
• 30/23 Tooth Count: OE #1589-8868H88
• 32/27 Tooth Count: OE #1589-8868H89

Has newer style case with the oil recirculation system towards the front. Your lower must have the matching oil passage, serial number OF730000 and above.

This item is to replace 1992 and up Bravo One's with the oil passage.

It can be modified to backfit 1988-1991.

The oil passage in the waterway has to be plugged on early models that do not have the passage in the upper. It is best to drill and tap the hole and install a set screw with sealant. Make sure to place the screw flush or slightly below the surface.

This unit has side and low water intakes. For side water intakes only see SE121.