Bravo Three (III) Replacement Upper Unit 1.36 & 1.81 Gear Ratio
Overview & Technical Specs
| Product Overview | |
|---|---|
| Fits | Mercruiser |
| MPN | 90-121-01C-(BRAVO3) |
| OEM Part # | 1589-8868H87 |
| Product Series | Bravo Three (III) |
| Unit Type | Bravo Three Upper Unit |
| Warranty | 3 Year Fault Free Warranty |
| Weight | 75.0 lb |
| Item Condition | New |
| Technical Specifications | |
| Combustion | Gas |
| Gear Ratio | 1.36 & 1.81 |
| Rotation | Bi-Directional |
| Shaft Length | Standard |
| Tooth Count | 29/27 |
10Low stock
10In stock, ready to ship
Couldn't load pickup availability
Fast Shipping
Excellent Support
Best Deals
Get notified by email when this product becomes available
Have a question?
Description
Bravo Three (III) Upper Unit – 1.36 & 1.81 Gear Ratios
The SE121 Bravo Three upper unit is available in 1.36 and 1.81 gear ratios with a 29/27 tooth count. Rated for up to 425 HP, this unit features the newer style case with the oil recirculation system positioned toward the front. Your lower must have the matching oil passage (serial number OF730000 and above). OE #1589-8868H87.
Not compatible with Bravo X, XR, or XZ drives. Install Kit and Anode Kit are not included — please see related items below.



