---
product_id: 33435972
title: "Teleflex 18-4457 Exhaust Protector Valve"
brand: "teleflex"
price: "$88"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/33435972-teleflex-18-4457-exhaust-protector-valve
store_origin: NZ
region: New Zealand
---

# Interchangeable with multiple models Includes stainless steel clamp Weather-resistant EPDM Teleflex 18-4457 Exhaust Protector Valve

**Brand:** teleflex
**Price:** $88
**Availability:** ✅ In Stock

## Summary

> 🚤 Keep Your Engine Roaring with Confidence!

## Quick Answers

- **What is this?** Teleflex 18-4457 Exhaust Protector Valve by teleflex
- **How much does it cost?** $88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/33435972-teleflex-18-4457-exhaust-protector-valve)

## Best For

- teleflex enthusiasts

## Why This Product

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

## Key Features

- • **Water Protection:** Compounded rubber flapper valves effectively prevent water from entering the exhaust system.
- • **Lightweight Design:** Weighing only 0.16 ounces, it’s designed for easy handling and installation.
- • **Unmatched Durability:** Crafted from weather-resistant EPDM with U/V stabilizer for long-lasting performance.
- • **Seamless Compatibility:** Easily interchangeable with popular models like GLM 89250 and Mallory 9-44001.
- • **Effortless Installation:** Comes with a stainless steel clamp for a secure and straightforward setup.

## Overview

The Teleflex 18-4457 Exhaust Protector Valve is a high-quality, weather-resistant component designed to protect your marine exhaust system. Made from durable EPDM with U/V stabilizer, it includes a stainless steel clamp for easy installation and is compatible with various models, ensuring your boat stays in top shape.

## Description

Teleflex 18-4457 Exhaust Protector Valve

## Features

- Made with weather resistant EPDM with U/V stabilizer
- Size: 4 inch, includes stainless steel clamp
- Includes: Stainless Steel Clamp
- Interchangeable with the following: GLM 89250, Mallory 9-44001 Mercruiser 13644Q01, 12644A1
- Compounded rubber flapper valves prevent water from entering the exhaust system

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Teleflex Marine |
| Brand | Sierra International |
| Model | Exhaust Protector Valve |
| Item Weight | 0.16 ounces |
| Product Dimensions | 8 x 6 x 1.5 inches |
| Item model number | 18-4457 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 18-4457 |
| OEM Part Number | MERCURY MARINE 12644A1 |

## Images

![Teleflex 18-4457 Exhaust Protector Valve - Image 1](https://m.media-amazon.com/images/I/41dyn4WB97L.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.nz/products/33435972-teleflex-18-4457-exhaust-protector-valve](https://www.desertcart.nz/products/33435972-teleflex-18-4457-exhaust-protector-valve)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-25*