---
product_id: 60573469
title: "United Moulders Mk5i Auto Cartridge Model UMA5000"
brand: "united moulders ltd"
price: "$36.36"
currency: USD
in_stock: true
reviews_count: 8
category: "United Moulders Ltd"
url: https://www.desertcart.us/products/60573469-united-moulders-mk5i-auto-cartridge-model-uma5000
store_origin: US
region: United States of America
---

# Replacement every 1-2 years Auto water-activated inflation Compatible with UML 5 & Pro Sensor Auto United Moulders Mk5i Auto Cartridge Model UMA5000

**Brand:** united moulders ltd
**Price:** $36.36
**Availability:** ✅ In Stock

## Summary

> 💦 Stay ready, stay safe — the smart choice for life on the water!

## Quick Answers

- **What is this?** United Moulders Mk5i Auto Cartridge Model UMA5000 by united moulders ltd
- **How much does it cost?** $36.36 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/60573469-united-moulders-mk5i-auto-cartridge-model-uma5000)

## 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 Discounts:** Save more when stocking up via RT Supplies Ltd—perfect for professionals and enthusiasts alike.
- • **Universal Compatibility:** Seamlessly fits UML 5 Inflator and Pro Sensor Auto models (excludes UML Elite).
- • **Instant Water Activation:** Automatically inflates lifejackets on water contact for immediate safety.
- • **Regulated Replacement Cycle:** Ensures peak performance with recommended annual (commercial) or biennial (recreational) cartridge swaps.
- • **Trusted Life-Saving Reliability:** Backed by a 4.7-star rating and proven to deliver confidence when it matters most.

## Overview

The United Moulders Mk5i Auto Cartridge UMA5000 is a foam-based, automatic water-activated inflation cartridge designed for re-arming lifejackets using the Mk5 auto Inflator and Pro Sensor Auto models. Lightweight at 0.07 pounds and manufactured in the UK, it requires replacement every 1-2 years depending on use, ensuring reliable, instant inflation and peace of mind for recreational and commercial users alike.

## 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 Savings: Discount is available when purchasing multiple units from RT Supplies Ltd
- Automatic Water Activation: Automatically activates lifejacket upon contact with water for immediate inflation
- Compatible Models: Fits UML 5 Inflator and the Pro Sensor Auto (Not compatible with the UML Elite)
- Re-Arming Cartridge: MK5i Cartridge UMA5000 with green end cap designed for re-arming lifejackets using United Moulders Mk5 auto Inflator and Pro Sensor Auto
- Replacement Schedule: Recreational use requires replacement every two years or by the REPLACE BY date, while commercial use requires annual replacement

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00J7XTW14 |
| Best Sellers Rank | 111,892 in Automotive ( See Top 100 in Automotive ) 1 in Automotive Steering & Suspension Cartridges |
| Brand | United Moulders Ltd |
| Brand Name | United Moulders Ltd |
| Closure Type | Buckle |
| Closure type | Buckle |
| Colour | Black |
| Country Of Origin | United Kingdom |
| Customer Reviews | 4.7 out of 5 stars 28 Reviews |
| EU Spare Part Availability Duration | 2 Years |
| Fit Type | Universal |
| Item Weight | 0.07 Pounds |
| Item weight | 0.07 Pounds |
| Manufacturer | United Moulders Ltd |
| Manufacturer Part Number | UMA 5000 |
| Material | Foam |
| Material Type | Foam |
| Model Number | UMA 5000 |
| Outer Material Type | Foam |
| Personal Flotation Device Type | Life Jacket |
| Special Features | Adjustable |
| Special feature | Adjustable |
| Strap Type | Adjustable |
| Unit Count | 1.0 count |

## Product Details

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

## Images

![United Moulders Mk5i Auto Cartridge Model UMA5000 - 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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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-10*