---
product_id: 534762988
title: "- 4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber"
brand: "kbz"
price: "€ 21.36"
currency: EUR
in_stock: true
reviews_count: 5
category: "Kbz"
url: https://www.desertcart.be/products/534762988-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber
store_origin: BE
region: Belgium
---

# 1.5-inch inner diameter for versatile compatibility 18 precision teeth for secure fit 1.25-inch thick EPDM rubber for durability - 4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber

**Brand:** kbz
**Price:** € 21.36
**Availability:** ✅ In Stock

## Summary

> ⚙️ Lock in reliability with every connection!

## Quick Answers

- **What is this?** - 4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber by kbz
- **How much does it cost?** € 21.36 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/534762988-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber)

## Best For

- kbz enthusiasts

## Why This Product

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

## Key Features

- • **Durable EPDM Rubber:** Thick 1.25-inch sleeve resists wear, weather, and aging for long-lasting performance
- • **Lightweight Yet Robust:** Only 0.04 kg but built to withstand industrial demands without compromise
- • **Top-Ranked Reliability:** Trusted by pros, ranked #11 in Flexible Multi-Flex Couplings for consistent quality
- • **Versatile Compatibility:** 1.5-inch inner diameter fits a wide range of plumbing setups
- • **Precision Engineered Fit:** 18 teeth ensure a rock-solid, slip-free connection every time

## Overview

The 4J Sure-Flex Plus Sleeve Coupling Insert by KBZ is a premium EPDM rubber coupling sleeve designed for plumbing professionals seeking durability and precision. Featuring 18 teeth for a secure grip, a versatile 1.5-inch inner diameter, and a robust 1.25-inch thickness, it delivers reliable, long-lasting performance in industrial and residential applications.

## Description

4J Sure-Flex Plus Sleeve Coupling Insert, 4JE Rubber Coupling Sleeve. Inner Diameter: 1"-1/2". Outer Diameter: 2"-1/4". Teeth: 18. Thickness: 1"-1/4".

Review: Good product! - Fits perfectly. Quality seems good. Time will tell but it works. Will buy it again.
Review: Excellent Price - Good quality Excellent price

## Features

- 4J Sure-Flex Plus Sleeve Coupling Insert, 4JE
- Rubber Coupling Sleeve.
- Inner Diameter: 1"-1/2".
- Teeth: 18.
- Thickness: 1"-1/4".

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BRWD3DCX |
| Best Sellers Rank | #72,830 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #11 in Flexible Multi-Flex Couplings |
| Brand Name | KBZ |
| Customer Reviews | 4.3 4.3 out of 5 stars (18) |
| Item Weight | 0.04 Kilograms |
| Manufacturer | KBZ |
| Material Type | Rubber |

## Images

![- 4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber - Image 1](https://m.media-amazon.com/images/I/51wtrue1eQL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good product!
*by A***O on August 18, 2025*

Fits perfectly. Quality seems good. Time will tell but it works. Will buy it again.

### ⭐⭐⭐⭐⭐ Excellent Price
*by B***B on April 24, 2025*

Good quality Excellent price

### ⭐⭐⭐⭐⭐ Perfect fit
*by A***R on August 15, 2024*

This item fit perfectly in the sprayer we needed to replace the part. Working great!

## Frequently Bought Together

- 4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber
- 6JE Coupling Sleeve Elastomer for S-Flex Sure Flex Gear Sleeve Solid Design, 3.75'' OD, 1.875'' Elastomer Length, 450 in-LB Torque, 6000 RPM
- 5JE Coupling Sleeve Elastomer for S-Flex Sure Flex Gear Sleeve Solid Design, 2.94" OD, 1.56" Elastomer Length, 240 in-lbs Nominal Torque

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**Shop now:** [https://www.desertcart.be/products/534762988-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber](https://www.desertcart.be/products/534762988-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber)

---

*Product available on Desertcart Belgium*
*Store origin: BE*
*Last updated: 2026-04-28*