---
product_id: 66870609
title: "3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780"
brand: "uanofcn"
price: "515 kr"
currency: DKK
in_stock: true
reviews_count: 8
url: https://www.desertcart.dk/products/66870609-3863450-marine-exhaust-hose-boot-replace-voolvo-penta-for-omc
store_origin: DK
region: Denmark
---

# Marine-grade rubber SS316 clamps OEM specifications 3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780

**Brand:** uanofcn
**Price:** 515 kr
**Availability:** ✅ In Stock

## Summary

> 🚤 Upgrade Your Marine Experience!

## Quick Answers

- **What is this?** 3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780 by uanofcn
- **How much does it cost?** 515 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/66870609-3863450-marine-exhaust-hose-boot-replace-voolvo-penta-for-omc)

## 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

- • **Precision Fit:** Engineered to meet OEM specifications for seamless integration.
- • **Timely Delivery:** Guaranteed delivery for your convenience, so you can get back on the water faster.
- • **Easy Installation:** Includes 2 pcs SS316 clamps for a hassle-free setup.
- • **Durable Construction:** Crafted from marine-grade rubber for long-lasting performance in harsh conditions.
- • **Versatile Compatibility:** Compatible with a wide range of V6 and V8 engines, ensuring broad usability.

## Overview

The 3863450 Marine Exhaust Hose Boot is a high-quality replacement part designed for Voolvo Penta and OMC Cobra engines, ensuring a perfect fit and reliable performance. Made from durable marine-grade rubber and featuring SS316 clamps, this exhaust boot meets OEM specifications and is compatible with various engine models, making it an essential component for any boating enthusiast.

## Description

3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780

## Features

- The marine exhaust rubber tube with 2 pcs SS316 clamps meets Voolvo penta exhaust bellows OEM specifications
- Replaces OE#s: OMC Stern Drive 3852741 911741 913591, Voolvo Penta parts 3863450 3852741, Sierra 18-2780-1, Mallory Marine 9-72800 9-72814, GLM 89222
- Also for many Johnson cobra exhaust 4, 6, 8 cylinder engines 2.3L 2.5L 3.0L 4.3L 5.0L 5.7L 5.8L, 7.4L, 8.1L 1994 and newer
- Early production 5.7 liter GM based units had a "lump" in the bellows, later production models did not have a "lump". Look at your bellows before ordering.
- Delivery Guaranteed Timeliness, Safe and Convenient

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | UANOFCN |
| UPC | 612409318367 |
| Model | Marine Exhaust Boot |
| Item Weight | 1.13 pounds |
| Package Dimensions | 6.14 x 6.14 x 6.06 inches |
| Country of Origin | Taiwan |
| Item model number | 3863450 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 3863450 |

## Images

![3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780 - Image 1](https://m.media-amazon.com/images/I/51YFGb7x7qL.jpg)
![3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780 - Image 2](https://m.media-amazon.com/images/I/51vVQHegTEL.jpg)
![3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780 - Image 3](https://m.media-amazon.com/images/I/61i+2A13F2L.jpg)
![3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780 - Image 4](https://m.media-amazon.com/images/I/61C4X9R2QaL.jpg)
![3863450 Marine Exhaust Hose Boot Replace Voolvo Penta for OMC Cobra 2.3 4.3 5.0 5.7 L Engines V6 V8 Sierra 18-2780 - Image 5](https://m.media-amazon.com/images/I/51wJYzuNg6L.jpg)

## Questions & Answers

**Q: Which end goes to the y pipe and which end to the elbow?**
A: Big side to big side little to little or if same it doesn't matter  just make sure the groove is in place

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Inboard engine
  

*by J***E on Reviewed in the United States on June 28, 2023*

Oem replacement goid quality

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Perfect fit
  

*by A***S on Reviewed in the United States on August 29, 2022*

Went on easy and fit like it should.

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    It will arrive
  

*by K***N on Reviewed in the United States on August 5, 2023*

It should have come with all the clamps needed!  It arrived in the designated time allocated.

---

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**Shop now:** [https://www.desertcart.dk/products/66870609-3863450-marine-exhaust-hose-boot-replace-voolvo-penta-for-omc](https://www.desertcart.dk/products/66870609-3863450-marine-exhaust-hose-boot-replace-voolvo-penta-for-omc)

---

*Product available on Desertcart Denmark*
*Store origin: DK*
*Last updated: 2026-03-07*