SEI SE404 Complete Outdrive (Yamaha Compatible)
2.00 / 2-Stroke / 20" Shaft
125.999,99 TL
30% OFF
179.999,99 TL
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SEI SE404 Complete Outdrive (Yamaha Compatible)
125.999,99 TL
30% OFF
179.999,99 TL
$
2,690.20
USD
€
2,353.78
EUR
VAT Included
Free Shipping
Compatible Product
Estimated Delivery
28 Business Days
Shipping
Free Shipping
Returns
14-Day Easy Returns
SECURE PAYMENT
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The SEI SE404 Complete Lower Unit is a complete aftermarket lower unit designed specifically for Yamaha 2-stroke and 4-stroke 75-100 HP (standard rotation) engines. It directly replaces the original lower unit, which has an OE# reference code of Not Specified, and comes with all internal gears, shafts, bearings, and water pump components factory-assembled.
SE404 Complete Lower Unit Advantages and Features
- Direct Replacement (Bolt-on): Fully compatible with original lower unit connections, requiring no extra modifications or adjustments during installation.
- Complete Solution: Includes a pre-assembled water pump kit, gear set, seals, and bearings, reducing labor time.
- Marine-Grade Housing: Features a protective primer and paint coating over a highly corrosion-resistant marine alloy cast aluminum housing.
Technical Specifications
| Brand | SEI (Aftermarket) |
| OEM Reference Number | Not Specified |
| Compatible Systems | Yamaha 2-stroke and 4-stroke 75-100 HP (Standard Rotation) |
| Product Group | Complete Lower Units |
Application and Use
This is chosen as a complete replacement when the lower unit housing is cracked, the gearbox is locked, or in cases of major mechanical damage, instead of replacing individual parts.
Maintenance and Installation Recommendations
After the initial installation and a 10-20 hour break-in period, the gear oil must be drained and refilled with new oil. Subsequently, the oil level should be checked before each season.
Frequently Asked Questions
What should be checked before ordering?
Share your engine serial number and rotation direction (standard/reverse) to get compatibility confirmation from the Clever Marin team.
Is an installation kit included?
No, the installation kit and anode kit must be purchased separately.
Is this product original?
No, this product is an aftermarket (equivalent) spare part from the SEI brand. It is an aftermarket product manufactured by SEI, which replaces the original Yamaha part.
Related Products and Categories
- Anode Products
- Gear Oil Products
- Seal Products
- Impeller Products
- Yamaha Marine Products
- Gear Products
- Outboard Motor Products
Is This the Right Product for Your Boat?
Provide your engine brand, model, and lower unit serial number to the Clever Marin team, and we will confirm together that the SEI SE404 Complete Lower Unit model will work 100% with your boat.
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.