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Yamaha Replacement Lower Unit | 25" | 4 Stroke | 90-430-B25F
SEI Marine
MPN : 90-430-B25F
Overview & Technical Specs
| Product Overview | |
|---|---|
| Fits | Yamaha |
| OEM Part # | 45300-03-CE |
| Unit Type | Lower Unit |
| Warranty | 3 Year Fault Free Warranty |
| Weight | 65.0 lb |
| Item Condition | New |
| Technical Specifications | |
| Combustion | 4 Stroke |
| Gear Ratio | 1.75 |
| Rotation | Counter |
| Shaft Length | 25" |
Increments of 1
Minimum of 1
Maximum of
10Low stock
10In stock, ready to ship
Sale price
$1,865.00 USD
-100%
Regular price
Regular price
$1,865.00 USD
Unit price
per
Yamaha Replacement Lower Unit | 25" | 4 Stroke | 90-430-B25F
Sale price
$1,865.00 USD
Regular price
Regular price
$1,865.00 USD
Unit price
per
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Description
Replacement Yamaha® Outboard Lower Unit — SE430 Series (4-Stroke)
Aftermarket replacement, built to fit. The SE430 series is a complete, ready-to-install lower unit for Yamaha 4-Stroke applications covered by this family. Engineered for smooth shifting, dependable operation, and long service life, each unit arrives fully assembled to make repair or replacement straightforward.
Product Summary
- Direct replacement fit for Yamaha 4-Stroke models supported by the SE430 series
- Fully assembled gearcase — water pump and all internal components pre-installed
- Precision-machined internals — gears, shafts, and bearings for smooth, reliable performance
- Cost-effective — dependable aftermarket solution at a fraction of factory pricing
- Ready to install — no additional assembly required
- Durable black finish — can be refinished to match your engine
Fitment Tip: Coverage varies within the SE430 family. Verify your exact engine model, model year, shaft length, gear ratio, and rotation before purchase.
Need help confirming fitment? Contact us and we’ll match the correct unit to your engine.
Yamaha® is a registered trademark of Yamaha Motor Co., Ltd. This is an aftermarket replacement part and is not manufactured by or affiliated with Yamaha. Names are used for fitment reference only.