---
product_id: 60573469
title: "United Moulders Mk5i Auto Cartridge"
brand: "united moulders ltd"
price: "€ 75.70"
currency: EUR
in_stock: true
reviews_count: 8
category: "United Moulders Ltd"
url: https://www.desertcart.hr/products/60573469-united-moulders-mk5i-auto-cartridge
store_origin: HR
region: Croatia
---

# Strict replace-by date for safety Compatible with UML 5 Inflator & Pro Sensor Auto-activates on water contact United Moulders Mk5i Auto Cartridge

**Brand:** united moulders ltd
**Price:** € 75.70
**Availability:** ✅ In Stock

## Summary

> 🛟 Stay ready, stay safe — the lifejacket cartridge that never lets you down!

## Quick Answers

- **What is this?** United Moulders Mk5i Auto Cartridge by united moulders ltd
- **How much does it cost?** € 75.70 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/60573469-united-moulders-mk5i-auto-cartridge)

## Best For

- united moulders ltd enthusiasts

## Why This Product

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

## Key Features

- • **Multi-Buy Savings:** Available with multi-buy discounts from RT Supplies Ltd, perfect for fleet servicing or ensuring your entire crew stays protected.
- • **Wide Compatibility:** Seamlessly fits United Moulders Mk5 inflators and Pro Sensor Auto models (excluding UML Elite), making it a versatile choice for your lifejacket needs.
- • **Instant Water Activation:** Automatically triggers lifejacket inflation the moment it hits water, ensuring immediate safety without any manual effort.
- • **Lightweight & Compact Design:** At just 31.75g and compact dimensions, it integrates effortlessly without adding bulk or weight to your lifejacket setup.
- • **Safety-First Replacement Schedule:** Designed with a clear replace-by date—annually for professionals, biennially for recreational users—guaranteeing peak performance when it matters most.

## Overview

The United Moulders Mk5i Auto Cartridge (UMA5000) is a precision-engineered, automatic lifejacket inflator cartridge that activates instantly upon water contact. Compatible with UML 5 Inflator and Pro Sensor Auto models, it ensures reliable inflation with a strict replacement schedule to maintain safety standards. Lightweight and compact, it’s the trusted choice for both recreational and professional water safety, now available with multi-buy discounts for comprehensive protection.

## Description

MK5i Cartridge UMA5000 is for re-arming lifejackets which use the United Moulders Mk5 auto Inflator. The UMA5000 is the version with a green end cap. Want more than one? Buy from RT Supplies Ltd for a multi-buy discount. It is important to be mindful of the guidance given by United Moulders with regards to replacing the Mk5i Cartridge. Recreational Use: Replace every two years or by the REPLACE BY date whichever is sooner. It is recommended your lifejacket is inspected annually. Refer to your lifejacket manual and keep to service intervals. Commercial/Professional Use: Replace annually. Do not exceed the REPLACE BY date in any 1-year period.

Review: A proven product that saves ;lives - It is great to have the confidence in lifesaving equipment. You know that this will work when you need it to!
Review: Lifejacket Replacement Capsule - Ideal replacement capsule for Servicing your Lifejackets, Make sure your Lifejacket Serial No starts with an L

## Features

- Multi-buy discount is available from RT Supplies Ltd
- Automatic activates lifejacket on contact with water
- Fits UML 5 Inflator and the Pro Sensor Auto (Not the UML Elite)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00J7XTW14 |
| Batteries included? | No |
| Best Sellers Rank | 75,339 in Automotive ( See Top 100 in Automotive ) 1 in Automotive Steering & Suspension Cartridges |
| Brand | United Moulders Ltd |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (28) |
| Date First Available | 10 Mar. 2015 |
| Features | Adjustable |
| Is discontinued by manufacturer | No |
| Item model number | UMA 5000 |
| Manufacturer | United Moulders Ltd |
| Material type | Foam |
| Outer material | Foam |
| Product Dimensions | 6.4 x 2.69 x 2.69 cm; 31.75 g |
| Sport | Swimming |
| Style | Vest |

## Product Details

- **Brand:** United Moulders Ltd
- **Colour:** Black
- **Item weight:** 32 g
- **Material:** Foam
- **Special feature:** Adjustable

## Images

![United Moulders Mk5i Auto Cartridge - Image 1](https://m.media-amazon.com/images/I/51s9eBsD16L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ A proven product that saves ;lives
*by A***C on 4 November 2024*

It is great to have the confidence in lifesaving equipment. You know that this will work when you need it to!

### ⭐⭐⭐⭐⭐ Lifejacket Replacement Capsule
*by C***M on 3 October 2023*

Ideal replacement capsule for Servicing your Lifejackets, Make sure your Lifejacket Serial No starts with an L

### ⭐⭐⭐⭐⭐ Good date
*by M***T on 12 June 2022*

Fitted to crewsaver, a must to keep your jacket in date to stay safe.

## Frequently Bought Together

- United Moulders Mk5i Auto Cartridge
- United Moulders Ltd 33g Lifejacket Rearming Kit for UML Mk5 Inflator with extra clip

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**Shop now:** [https://www.desertcart.hr/products/60573469-united-moulders-mk5i-auto-cartridge](https://www.desertcart.hr/products/60573469-united-moulders-mk5i-auto-cartridge)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-21*