---
product_id: 534762988
title: "4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber"
brand: "kbz"
price: "€ 21.11"
currency: EUR
in_stock: true
reviews_count: 4
category: "Kbz"
url: https://www.desertcart.nl/products/534762988-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber
store_origin: NL
region: Netherlands
---

# Precise 1.5" inner diameter 18 durable teeth for secure grip 1.25" thick EPDM rubber resilience 4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber

**Brand:** kbz
**Price:** € 21.11
**Availability:** ✅ In Stock

## Summary

> 🛠️ Lock in strength and flexibility with the 4J Sure-Flex Plus – where precision meets durability!

## Quick Answers

- **What is this?** 4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber by kbz
- **How much does it cost?** € 21.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/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

- • **Lightweight Yet Robust:** At just 1.44 ounces, it delivers heavy-duty performance without bulk.
- • **Top-Ranked Reliability:** Trusted by professionals, ranked #9 in Flexible Multi-Flex Couplings for consistent quality.
- • **Perfect Fit, Every Time:** Engineered with a 1.5" inner diameter for seamless integration into your coupling system.
- • **Unmatched Grip Strength:** 18 precision teeth ensure a rock-solid connection that won’t slip under pressure.
- • **Durability Meets Flexibility:** Crafted from premium EPDM rubber with 1.25" thickness to withstand wear and tear while maintaining flexibility.

## Overview

The 4J Sure-Flex Plus Sleeve Coupling Insert (model 4JE) is a high-performance EPDM rubber sleeve designed for plumbing and industrial applications. Featuring an inner diameter of 1.5 inches, 18 teeth for secure coupling, and a robust 1.25-inch thickness, it offers a perfect balance of flexibility and durability. Lightweight at 1.44 ounces and highly rated in its category, it ensures reliable, long-lasting connections in demanding environments.

## 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 | #60,440 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #9 in Flexible Multi-Flex Couplings |
| Date First Available | January 8, 2023 |
| Item Weight | 1.44 ounces |
| Item model number | 4JE |
| Manufacturer | KBZ |
| Package Dimensions | 2.64 x 2.36 x 1.42 inches |

## 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.nl/products/534762988-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber](https://www.desertcart.nl/products/534762988-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber)

---

*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-20*