---
product_id: 48780742
title: "Replacement Parts for Medela Harmony Manual Pump; 4 O-Rings and 2 Membranes"
brand: "maymom"
price: "¥3392"
currency: JPY
in_stock: true
category: "Maymom"
url: https://www.desertcart.jp/products/48780742-replacement-parts-for-medela-harmony-manual-pump-4-o-rings
store_origin: JP
region: Japan
---

# BPA & DEHP free silicone 2 durable membranes 4 precision O-rings Replacement Parts for Medela Harmony Manual Pump; 4 O-Rings and 2 Membranes

**Brand:** maymom
**Price:** ¥3392
**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?** ¥3392 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/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

- • **Lightweight & Durable:** Ultra-light 5.67g parts built to last through countless pumping cycles without wear.
- • **Perfect Compatibility:** Specifically designed for Medela Harmony manual pumps to ensure flawless fit and function.
- • **Safe & Pure Materials:** Crafted from BPA and DEHP-free silicone for worry-free, toxin-free pumping sessions.
- • **Seamless Pump Performance:** Restore your Medela Harmony pump’s peak efficiency with exact-fit O-rings and membranes.
- • **Cost-Effective Replacement:** Save big by swapping parts instead of buying a whole new pump—smart and sustainable.

## Overview

This replacement kit includes 4 silicone O-rings and 2 membranes designed exclusively for the Medela Harmony manual breast pump. Made from BPA and DEHP-free materials, these parts ensure safe, hygienic, and efficient pumping. Lightweight and durable, they offer a cost-effective way to maintain your pump’s optimal performance without the expense of a full replacement.

## Description

Durable, BPA-free silicone replacement parts for your Medela Harmony breast pump, including 4 o-rings and 2 membranes to keep your pump functioning effectively.

## 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 |
| Additional product features | Bpa Free |
| Batteries required | No |
| Best Sellers Rank | 3,338 in Baby Products ( See Top 100 in Baby Products ) 64 in Breast Pumps & Accessories |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,524) |
| Date First Available | 25 May 2016 |
| Dishwasher safe | No |
| Is portable | No |
| Item Weight | 5.66 g |
| Item model number | M022-4O2M |
| Material Type | Silicone |
| Material-free | BPA Free |
| Model Number | M022-4O2M |
| Number of items | 1 |
| Product Dimensions | 7.5 x 5 x 0.4 cm; 5.67 g |
| Pump type | Manual |
| Target gender | Male |

## 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.

## 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
- [6-Count] Papablic Duckbill Valves for Spectra and Medela, Replaceable Duckbill Valves for Spectra S1 Spectra S2 valves and Medela Pump in Style, BPA/DEHP Free White

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**Shop now:** [https://www.desertcart.jp/products/48780742-replacement-parts-for-medela-harmony-manual-pump-4-o-rings](https://www.desertcart.jp/products/48780742-replacement-parts-for-medela-harmony-manual-pump-4-o-rings)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-14*