---
product_id: 215389425
title: "816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180"
brand: "uanofcn"
price: "467 kr"
currency: DKK
in_stock: true
url: https://www.desertcart.dk/products/215389425-816431a1-u-joint-bellows-for-mercruiser-alpha-1-gen-2
store_origin: DK
region: Denmark
---

# Waterproof Seal Complete Package Flexible Design 816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180

**Brand:** uanofcn
**Price:** 467 kr
**Availability:** ✅ In Stock

## Summary

> 🚤 Keep Your Drive Smooth and Dry!

## Quick Answers

- **What is this?** 816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180 by uanofcn
- **How much does it cost?** 467 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/215389425-816431a1-u-joint-bellows-for-mercruiser-alpha-1-gen-2)

## Best For

- uanofcn enthusiasts

## Why This Product

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

## Key Features

- • **📏 Perfect Fit:** Designed specifically for MerCruiser Alpha One Gen II models from 1991 onward.
- • **🌊 Superior Protection:** Ribbed design prevents water intrusion, safeguarding your stern drive.
- • **💪 Durable Construction:** Made from high-quality rubber for long-lasting performance.
- • **🔄 Seamless Compatibility:** Replaces multiple part numbers for easy installation.
- • **🛠️ Hassle-Free Installation:** Includes all necessary components for a straightforward setup.

## Overview

The 816431A1 U-Joint Bellows is a high-quality replacement part designed for MerCruiser Alpha One Gen II stern drives from 1991 and up. This flexible, ribbed composite bellows effectively prevents water from entering the bell housing, ensuring optimal performance and longevity. The package includes everything you need for installation, making it a convenient choice for boat maintenance.

## Description

816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180

## Features

- This Universal U-Joint Bellows is for MerCruiser Alpha One Gen II Stern Drives
- Replaces Mercruiser 816431A1, Sierra 18-2747, GLM 89180, Mallory 9-72704
- Fits: Mercruiser Alpha One Gen II, 1991 & Up, Serial Range: 0D469859 & Up
- It's Flexible, Ribbed, Composite Bellows to Keep Water From Entering the Through the Bell Housing
- Package Contains: 1 pc U-Joint Bellows, 1 pc Bellow Flange Ring, 1 pc Bellows Ground Clip, 1 pc Hose Clamp

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Package Dimensions L x W x H | 6.1 x 6.06 x 5.98 inches |
| Package Weight | 0.58 Kilograms |
| Item Weight | 532 Grams |
| Brand Name | UANOFCN |
| Warranty Description | 30 Days |
| Model Name | U-Joint Bellows |
| Color | Black |
| Material | Rubber |
| Number of Items | 1 |
| Manufacturer | UANOFCN |
| Part Number | 816431A1 |
| Style | U-Joint Bellows |
| Included Components | 1 pc Bellow Flange Ring 816607 |

## Images

![816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180 - Image 1](https://m.media-amazon.com/images/I/71Y65c4bwbL.jpg)
![816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180 - Image 2](https://m.media-amazon.com/images/I/71elbEftWZL.jpg)
![816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180 - Image 3](https://m.media-amazon.com/images/I/71zHWp9guQL.jpg)
![816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180 - Image 4](https://m.media-amazon.com/images/I/61G345cudBL.jpg)
![816431A1 U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180 - Image 5](https://m.media-amazon.com/images/I/71SCCJ0QE6L.jpg)

## Frequently Bought Together

- UANOFCN 816431A1 Universal U-Joint Bellows for MerCruiser Alpha 1 Gen 2 and Vazer 1991 and up Stern Drives 18-2747 89180
- Quicksilver 86166Q1 Bellows Adhesive – Resistant to Oil, Grease, Gasoline and Water – 1.5 oz Tube
- Bellow Retainer Ring Install Tool for Alpha 1 Gen 2, Bravo and Blackhawk U-Joint Bellows Replaces Mercruiser 91-818162, MERC

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**Shop now:** [https://www.desertcart.dk/products/215389425-816431a1-u-joint-bellows-for-mercruiser-alpha-1-gen-2](https://www.desertcart.dk/products/215389425-816431a1-u-joint-bellows-for-mercruiser-alpha-1-gen-2)

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*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-02-21*