---
product_id: 48780742
title: "Replacement Parts for Medela Harmony Manual Pump; 4 O-Rings and 2 Membranes"
brand: "maymom"
price: "VT4641"
currency: VUV
in_stock: true
reviews_count: 13
category: "Maymom"
url: https://www.desertcart.vu/products/48780742-replacement-parts-for-medela-harmony-manual-pump-4-o-rings
store_origin: VU
region: Vanuatu
---

# 4 O-rings for seamless pump fit 2 durable membranes for peak suction BPA & DEHP-free safe silicone Replacement Parts for Medela Harmony Manual Pump; 4 O-Rings and 2 Membranes

**Brand:** maymom
**Price:** VT4641
**Availability:** ✅ In Stock

## Summary

> 🔧 Keep your pump flawless, keep your flow unstoppable!

## Quick Answers

- **What is this?** Replacement Parts for Medela Harmony Manual Pump; 4 O-Rings and 2 Membranes by maymom
- **How much does it cost?** VT4641 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/48780742-replacement-parts-for-medela-harmony-manual-pump-4-o-rings)

## Best For

- maymom enthusiasts

## Why This Product

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

## Key Features

- • **Top-Rated by Parents:** Join thousands of satisfied users who trust these parts to keep their pumping routine smooth.
- • **Trusted Quality & Fit:** Designed specifically for Medela Harmony, ensuring hassle-free installation and reliable use.
- • **Health-First Materials:** Crafted from BPA and DEHP-free silicone to keep your baby’s safety front and center.
- • **Complete Replacement Kit:** Includes 4 O-rings and 2 membranes—everything you need to maintain optimal pump function.
- • **Perfect Pump Performance:** Restore your Medela Harmony pump’s efficiency with precision-fit O-rings and membranes.

## Overview

This replacement kit for the Medela Harmony manual breast pump includes 4 silicone O-rings and 2 membranes made from BPA and DEHP-free materials. Engineered for a perfect fit and durability, these parts ensure consistent suction and pump performance, trusted by thousands of parents worldwide.

## Description

Product Description Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone.Replacement O-rings for your Medela Harmony pump plus two membranes. Made from BPA free and DEHP-free material. Contains O-rings x4 and Membranes x2. Contains O-rings x4 and Membranes x2. Made with Silicone. Box Contains 4x O-ring & 2x Membrane

Review: Great - Great for what I needed it for. Fits perfect in my Medela Harmony pump. Seem like great quality for the price
Review: Brilliant - Excellent replacement parts

## Features

- Replacement O-rings for your Medela Harmony pump plus two membranes
- BPA Free
- 4 O-rings and 2 Membranes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B016Y51X5U |
| Best Sellers Rank | 6,918 in Baby Products ( See Top 100 in Baby Products ) 132 in Breast Pumps & Accessories |
| Brand Name | Maymom |
| Colour | White |
| Country Of Origin | Taiwan |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,572) |
| Global Trade Identification Number | 00760488883082 |
| Is the item dishwasher safe? | No |
| Item Weight | 0.2 Ounces |
| Manufacturer | Maymom |
| Manufacturer Part Number | M022-4O2M |
| Material Type | Silicone |
| Material Type Free | BPA Free |
| Model Name | Maymom O-Ring and Membrane for Medela Harmony |
| Model Number | M022-4O2M |
| Number of Items | 1 |
| Operation Mode | Manual |
| Size | One Size |
| Special Features | Bpa Free |
| UPC | 760488883082 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Maymom
- **Colour:** White
- **Dishwasher safe?:** No
- **Item weight:** 0.2 Ounces
- **Material:** Silicone
- **Material Type Free:** BPA Free
- **Model name:** Maymom O-Ring and Membrane for Medela Harmony
- **Number of items:** 1
- **Operation mode:** Manual
- **Special feature:** Bpa Free

## Images

![Replacement Parts for Medela Harmony Manual Pump; 4 O-Rings and 2 Membranes - Image 1](https://m.media-amazon.com/images/I/51lihDdsNSL.jpg)

## Questions & Answers

**Q: I don't need the membranes (I have 10+ spares), can I just get the o-rings?**
A: sorry.  that is the only package we sell.

**Q: Is this made by Medela?  Does packaging say Medela?**
A: No, it doesn't say Medela.

**Q: Where do the o rings go?**
A: They go on to the pump handle diaphragm stem. If you ever lose suction it's most likely because one of these came off. Search for "medela hand pump o ring" images in your web browser to see a visual

**Q: What are the dimensions of the O-rings?**
A: I don't know the exact measurements of the O-rings but I do know that if you are trying to replace a part for a Medela manual breast pump if it's perfectly.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great
*by A***R on 16 February 2026*

Great for what I needed it for. Fits perfect in my Medela Harmony pump. Seem like great quality for the price

### ⭐⭐⭐⭐⭐ Brilliant
*by C***H on 29 October 2025*

Excellent replacement parts

### ⭐⭐⭐⭐⭐ Exactly what we needed
*by B***R on 17 November 2024*

So glad they have this product - it was much needed!! And such good quality

## Frequently Bought Together

- Replacement Parts for Medela Harmony Manual Pump; 4 O-Rings, 2 Membranes by Maymom
- Medela Manual breast pump with Flex Shields Harmony Single Hand for More Comfort and Expressing More Milk
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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-05*