SEI SE128 Lower Unit (Bravo 3 Compatible)
The SEI SE128 Lower Unit is a replacement lower unit for MerCruiser Bravo Three. Manufactured by SEI to OEM specifications, this replacement part offers an economical and reliable alternative compatible with MerCruiser Bravo Three.
SE128 Lower Unit Features
SEI (Sterndrive Engineering Inc.) parts are manufactured to OEM standards in their Florida production facility and undergo extensive testing processes.
- Compatibility: MerCruiser Bravo Three
- Gear Ratios: 1.36 / 1.50
- Type: Lower unit
Technical Specifications
| Compatibility | MerCruiser Bravo Three |
| Gear Ratios | 1.36 / 1.50 |
| Type | Lower unit |
Who Is This Product For?
- Replacement of spare parts: An economical replacement for a damaged or worn SE128 Lower Unit part
- System reliability: Secure operation of the sterndrive system with the correct SE128 Lower Unit
Maintenance and Longevity
Sterndrive parts provide long-lasting use with regular inspection and timely replacement. All seals, bearings, and anode parts should be checked at the beginning of each season.
Related maintenance categories: Anode | Gear Oils | Seal | Impeller
Frequently Asked Questions
When should the SE128 Lower Unit be replaced?
It should be checked and replaced if abnormal noise, vibration, or shifting problems are noticed.
What else should be checked during replacement?
Simultaneous inspection of interconnected parts prevents repeated disassembly costs. Gear oil and seal condition should be checked each time the unit is opened.
Related Products and Categories
Is This the Right Product for Your Boat?
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Delivery Information
Your orders are dispatched within an average of 28 business days. Free shipping on orders of 5000 TL and above.
Return Policy
You can return the products you purchased unconditionally within 14 days, provided they are unused and in their original packaging. You can contact us through our Customer Service page for return processes.