---
product_id: 476606976
title: "Koolance QD4-MSG8 QD4 Male Quick Disconnect No-Spill Coupling, Male Threaded G 3/8 BSPP"
brand: "koolance"
price: "A$223"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/476606976-koolance-qd4-msg8-qd4-male-quick-disconnect-no-spill-coupling
store_origin: AU
region: Australia
---

# No-spill automatic shutoff Precision G 3/8 BSPP threading Durable nickel-plated brass Koolance QD4-MSG8 QD4 Male Quick Disconnect No-Spill Coupling, Male Threaded G 3/8 BSPP

**Brand:** koolance
**Price:** A$223
**Availability:** ✅ In Stock

## Summary

> 💧 Connect with confidence—no spills, no fuss, just pure performance.

## Quick Answers

- **What is this?** Koolance QD4-MSG8 QD4 Male Quick Disconnect No-Spill Coupling, Male Threaded G 3/8 BSPP by koolance
- **How much does it cost?** A$223 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/476606976-koolance-qd4-msg8-qd4-male-quick-disconnect-no-spill-coupling)

## Best For

- koolance enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Premium nickel-plated brass construction ensures corrosion resistance and long-term reliability.
- • **Made in the USA:** Crafted with precision and quality control for trusted performance every time.
- • **Compact Powerhouse:** Small 25mm size packs high performance without bulk, ideal for sleek, professional builds.
- • **Seamless Integration:** Fits perfectly with Koolance QD4 female quick disconnects for hassle-free setup.
- • **Zero Mess, Zero Stress:** Patented no-spill design minimizes fluid loss to just 0.2ml, keeping your workspace pristine.

## Overview

The Koolance QD4-MSG8 is a precision-engineered male quick disconnect coupling featuring G 3/8 BSPP threading and a patented no-spill automatic shutoff mechanism. Crafted from durable nickel-plated brass and designed exclusively for Koolance QD4 female fittings, it ensures minimal fluid loss (approx. 0.2ml) during disconnection. Compact and lightweight, this USA-made coupling delivers reliable, mess-free connections ideal for professional liquid cooling setups.

## Description

Koolance patented quick disconnect no-spill coupling with automatic shutoff. G 3/8 BSPP (parallel) thread male fitting for screwing directly into a water block or other component of same threading. It will only fit a Koolance QD4 female quick disconnect. After pulling the ring on the female QDC side, the quick-disconnect fittings will separate. Liquid on both sides will be automatically obstructed with approximately 0.2ml freed. Coolant volume lost upon disconnection will rise with internal pressure higher than 0.5kgf/cm2 (7psi).Additional Specifications• Materials: Brass, Nickel Plating, Stainless Steel, EPDM• Max Temp. Operating Tolerance: 100°C (212°F)• Max Pressure Tolerance @ 25°C: 8kgf/cm2 (113.8psi)• Fitting Thread: G 3/8 BSPP

## Features

- Koolance patented quick disconnect no-spill coupling with automatic shutoff.
- G 3/8 BSPP (parallel) thread male fitting for screwing directly into a water block or other component of same threading.
- It will only fit a Koolance QD4 female quick disconnect.
- After pulling the ring on the female QDC side, the quick-disconnect fittings will separate.
- Liquid on both sides will be automatically obstructed with approximately 0.2ml freed.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | Small |
| Material | Brass |
| Brand | Koolance |
| Item dimensions L x W x H | 25 x 25 x 25 Millimeters |
| Connector Type | Coupling |
| Exterior Finish | Nickel |
| Thread Type | BSPP |
| Item Weight | 0.01 Ounces |
| Number of Pieces | 1 |
| Manufacturer | Koolance |
| UPC | 829596909494 |
| Country of Origin | USA |
| Item model number | QD4-MSG8 |
| Product Dimensions | 2.54 x 2.54 x 2.54 cm; 0.28 g |
| ASIN | B078RYN999 |

## Product Details

- **Size:** Small
- **Material:** Brass
- **Brand:** Koolance
- **Item dimensions L x W x H:** 25 x 25 x 25 Millimeters
- **Connector Type:** Coupling
- **Exterior Finish:** Nickel
- **Thread Type:** BSPP
- **Item Weight:** 0.01 Ounces
- **Number of Pieces:** 1
- **Manufacturer:** Koolance

## Images

![Koolance QD4-MSG8 QD4 Male Quick Disconnect No-Spill Coupling, Male Threaded G 3/8 BSPP - Image 1](https://m.media-amazon.com/images/I/61vF4aupdkL.jpg)
![Koolance QD4-MSG8 QD4 Male Quick Disconnect No-Spill Coupling, Male Threaded G 3/8 BSPP - Image 2](https://m.media-amazon.com/images/I/61vF4aupdkL.jpg)

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**Shop now:** [https://www.desertcart.com.au/products/476606976-koolance-qd4-msg8-qd4-male-quick-disconnect-no-spill-coupling](https://www.desertcart.com.au/products/476606976-koolance-qd4-msg8-qd4-male-quick-disconnect-no-spill-coupling)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-23*