SEI SE428 Ters Dönüşlü Komple Kuyruk (Yamaha Uyumlu)

SEI SE421 Complete Lower Unit (Yamaha Compatible)

3.1L - 3.2L / 2-Stroke / 20" Shaft
127.259,99 TL
Skip to product information
SEI SE428 Ters Dönüşlü Komple Kuyruk (Yamaha Uyumlu)

SEI SE421 Complete Lower Unit (Yamaha Compatible)

127.259,99 TL
$ 2,661.98 USD
2,303.83 EUR
Gear Ratio - Engine Type - Shaft Length
VAT Included
Free Shipping
Compatible Product
Estimated Delivery 28 Business Days
Shipping Free Shipping
Returns 14-Day Easy Returns
SECURE PAYMENT
3D SECURE
Secure shopping with 256-Bit SSL

The SEI SE421 Complete Lower Unit is an aftermarket complete lower unit that replaces the standard rotation lower unit of most Yamaha 76-degree V6 models. Manufactured by SEI to OEM specifications, this aftermarket replacement part provides an economical and reliable alternative to the original part.

SE421 Complete Lower Unit Features

  • Compatibility: Yamaha 76° V6 (Standard Rotation)
  • Installation/Anode Kit: Not included, must be purchased separately
  • Rotation Direction: Standard
  • Engine Type: Yamaha 76° V6
  • Coverage: Compatibility confirmation required with engine serial number

Technical Specifications

Compatibility Yamaha 76° V6 (Standard Rotation)
Installation/Anode Kit Not included, must be purchased separately
Rotation Direction Standard
Engine Type Yamaha 76° V6
Coverage Compatibility confirmation required with engine serial number

Who is This Product For?

  • Yamaha lower unit replacement: An economical aftermarket complete lower unit at a lower price than OEM.
  • Standard/counter rotation: Verify your engine configuration for the correct rotation direction.

Maintenance and Longevity

Sterndrive and outboard engine parts provide long-lasting use with regular inspection and timely replacement. It is recommended to verify compatibility by checking your engine serial number and existing OEM part number before installation.

Related maintenance categories: Anode | Gear Oils | Seal | Impeller

Frequently Asked Questions

What should be checked before ordering?

Share your engine serial number and rotation direction (standard/counter) to get compatibility confirmation from the Clever Marin team.

Is the installation kit included?

No, the installation kit and anode kit must be purchased separately.

Is this product original?

It is an aftermarket product manufactured by SEI, which replaces the original Yamaha part.

Related Products and Categories

Is This the Right Product for Your Boat?

Share your engine brand, model, and serial number — let's confirm SEI SE421 Complete Lower Unit compatibility together.

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.

You might also like these