---
product_id: 614690516
title: "4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber"
brand: "kbz"
price: "HK$432"
currency: HKD
in_stock: false
reviews_count: 4
category: "Kbz"
url: https://www.desertcart.hk/products/614690516-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber
store_origin: HK
region: Hong Kong
---

# 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:** HK$432
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Secure your flow 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?** HK$432 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/614690516-4j-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

- • **Made in the USA:** Crafted by KBZ with trusted quality and reliability you can count on.
- • **Durable EPDM Rubber:** Thick 1.25" sleeve offers superior flexibility and long-lasting wear resistance.
- • **Unmatched Grip Strength:** 18 precision teeth lock components firmly, preventing leaks and slippage.
- • **Engineered for Perfect Fit:** Inner diameter of 1.5" ensures seamless integration with your plumbing system.
- • **Highly Rated by Professionals:** 4.3-star average from 17 reviews proves it’s the go-to choice for expert plumbers.

## Overview

The 4J Sure-Flex Plus Sleeve Coupling Insert by KBZ is a high-quality EPDM rubber plumbing sleeve featuring an inner diameter of 1.5", 18 teeth for a secure grip, and a robust 1.25" thickness. Made in the USA, it delivers reliable, leak-resistant connections favored by professionals, backed by strong customer reviews.

## 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!
Review: Excelente - excelente calidad

## 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 |
| Brand Name | KBZ |
| Country of Origin | USA |
| Customer Reviews | 4.3 out of 5 stars 17 Reviews |
| 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)
![4J Sure-Flex Plus Sleeve Coupling Insert, 4JE，Epdm Rubber - Image 2](https://m.media-amazon.com/images/I/51ycDSYPbaL.jpg)

## Customer Reviews

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



### ⭐⭐⭐⭐⭐ Excelente
*by F***Z on 11 February 2026*

excelente calidad

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



## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hk/products/614690516-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber](https://www.desertcart.hk/products/614690516-4j-sure-flex-plus-sleeve-coupling-insert-4je-epdm-rubber)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-27*