---
product_id: 81757853
title: "4 x 4 in. Cast Iron or Plastic Flexible Coupling"
brand: "fernco"
price: "€ 88.76"
currency: EUR
in_stock: true
reviews_count: 4
category: "Fernco"
url: https://www.desertcart.be/products/81757853-4-x-4-in-cast-iron-or-plastic-flexible-coupling
store_origin: BE
region: Belgium
---

# Heavy earth load resistance Multi-material compatibility 4x4 inch robust size 4 x 4 in. Cast Iron or Plastic Flexible Coupling

**Brand:** fernco
**Price:** € 88.76
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with confidence — the flexible coupling that holds your projects together!

## Quick Answers

- **What is this?** 4 x 4 in. Cast Iron or Plastic Flexible Coupling by fernco
- **How much does it cost?** € 88.76 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/products/81757853-4-x-4-in-cast-iron-or-plastic-flexible-coupling)

## Best For

- fernco enthusiasts

## Why This Product

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

## Key Features

- • **Precision Alignment:** Flexible design improves pipe alignment, reducing installation headaches and costly adjustments.
- • **Compact & Lightweight:** At just 1.4 pounds and 4x4 inches, it’s easy to handle without compromising strength.
- • **Heavy-Duty Durability:** Engineered to withstand intense earth loads and shear forces, ensuring long-lasting performance.
- • **Trusted Brand Quality:** Fernco’s proven reliability with a 4.9-star rating from professionals who demand the best.
- • **Universal Pipe Compatibility:** Seamlessly connects cast iron, plastic, copper, steel, or lead pipes for ultimate versatility.

## Overview

The 4 x 4 in. Cast Iron or Plastic Flexible Coupling by Fernco is a versatile, heavy-duty pipe connector designed to join multiple pipe materials including cast iron, plastic, copper, steel, and lead. Engineered for resistance to heavy earth loads and shear forces, it ensures improved pipe alignment and durability. Lightweight yet robust, this coupling is trusted by professionals for reliable, long-lasting plumbing solutions.

## Description

Product Overview

Review: Worked as it should - Works as it should
Review: Perfect, exactly what i was looking for - Fit like a glove

## Features

- Designed for resistance to heavy earth loads and shear forces, while providing improved pipe alignment
- Connects CI, plastic, copper, steel or lead to CI, plastic, copper, steel or lead

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07FJ7K5P3 |
| Best Sellers Rank | #338,774 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10,614 in Pipe Fittings |
| Brand Name | Fernco |
| Color | Copper |
| Connector Type | Coupling |
| Customer Reviews | 4.9 4.9 out of 5 stars (10) |
| Item Weight | 1.4 Pounds |
| Manufacturer | Fernco |
| Material Type | Copper,Lead,Plastic,Steel,Iron |
| Number of Pieces | 1 |
| Size | 4 x 4 inches |
| Thread Type | NPT |
| UPC | 018578016903 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Fernco
- **Color:** Copper
- **Connector Type:** Coupling
- **Item Weight:** 1.4 Pounds
- **Manufacturer:** Fernco
- **Material:** Copper,Lead,Plastic,Steel,Iron
- **Number of Pieces:** 1
- **Size:** 4 x 4 inches
- **Thread Type:** NPT
- **UPC:** 018578016903

## Images

![4 x 4 in. Cast Iron or Plastic Flexible Coupling - Image 1](https://m.media-amazon.com/images/I/61rfXBJBPRL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked as it should
*by R***D on May 12, 2025*

Works as it should

### ⭐⭐⭐⭐⭐ Perfect, exactly what i was looking for
*by S***. on July 1, 2024*

Fit like a glove

### ⭐⭐⭐⭐⭐ As advertised
*by E***4 on September 4, 2023*

I’d buy more stuff it’s as advertised for a decent price.

## Frequently Bought Together

- Fernco 4 x 4 in. Cast Iron or Plastic Flexible Coupling
- Fernco 4-inch XL Flexible Pipe Coupling Connector Fitting with Stainless Shield, Below Ground Plastic, Cast Iron, Steel
- Fernco XL 1056-442 Flexible Pipe Coupling 4” CI/Plastic/Steel to 4” CI/Plastic/Steel

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**Shop now:** [https://www.desertcart.be/products/81757853-4-x-4-in-cast-iron-or-plastic-flexible-coupling](https://www.desertcart.be/products/81757853-4-x-4-in-cast-iron-or-plastic-flexible-coupling)

---

*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-06-14*