---
product_id: 127460565
title: "SEI MARINE PRODUCTS - SE306 1.83:1 Gear Ratio"
brand: "sei marine products"
price: "€ 3696.94"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/127460565-sei-marine-products-se306-1-83-1-gear-ratio
store_origin: HR
region: Croatia
---

# SEI MARINE PRODUCTS - SE306 1.83:1 Gear Ratio

**Brand:** sei marine products
**Price:** € 3696.94
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** SEI MARINE PRODUCTS - SE306 1.83:1 Gear Ratio by sei marine products
- **How much does it cost?** € 3696.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/127460565-sei-marine-products-se306-1-83-1-gear-ratio)

## Best For

- sei marine products enthusiasts

## Why This Product

- Trusted sei marine products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

All of our lower units come with a three year fault-free warranty. They are manufactured in Oldsmar, FL, built up to OEM specifications and they are an affordable, high quality alternative. DISCLAIMER: We are transitioning to the color BLACK for our units. Until inventory has been depleted of the old color, we can’t guarantee what color will be received.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | SEI Marine Products |
| Item Weight | 50 Pounds |
| Color | TAN/BLACK |
| Engine Type | 4 Stroke |
| Operation Mode | Electric/Remote Start |
| Recommended Uses For Product | For Salt Water |
| Mounting Type | Engine Mount |
| Fuel Type | Gasoline |
| Manufacturer | SEI MARINE PRODUCTS |
| OEM Part Number | 23-815921A 4 |
| Item Weight | 50 pounds |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 90-306-B |

## Product Details

- **Brand:** SEI Marine Products
- **Item Weight:** 50 Pounds
- **Color:** TAN/BLACK
- **Engine Type:** 4 Stroke
- **Operation Mode:** Electric/Remote Start

## Images

![SEI MARINE PRODUCTS - SE306 1.83:1 Gear Ratio - Image 1](https://m.media-amazon.com/images/I/61PSwr79lfL.jpg)
![SEI MARINE PRODUCTS - SE306 1.83:1 Gear Ratio - Image 2](https://m.media-amazon.com/images/I/61PSwr79lfL.jpg)

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**Shop now:** [https://www.desertcart.hr/products/127460565-sei-marine-products-se306-1-83-1-gear-ratio](https://www.desertcart.hr/products/127460565-sei-marine-products-se306-1-83-1-gear-ratio)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-23*