4packs 16mm Full Breast Replacement Pump Parts for Spectra S1 S2

In this review the 4packs 16mm Full Breast Replacement Pump Parts are assessed as a cost-effective replacement kit for parents using compatible electric pumps. The reviewer finds the biggest reason to buy is the completeness of the set: four full replacement assemblies let you pump directly into bottles, replace worn parts quickly, and keep a spare set on hand. The kit is presented as a practical solution for continued breastfeeding when original parts are lost or worn, and the review notes the maker; these are third-party parts made by IVARONAL and not original manufacturer components.

Key Features

• Complete 4-pack: Each kit includes four flanges, four duckbill valves, four backflow protectors with membranes, four tubes, four 180ml bottles with screw rings and sealing discs, and four one-piece caps, so there are full spare sets for double pumping or extended use.
• Wide compatibility: The parts are designed to fit Spectra S1, Spectra S2, Spectra 9 Plus, Synergy Gold, Motif Luna, Cimilre, Ameda MYA and similar pumps, offering broad interchangeability for many popular pump models.
• Food-grade silicone: Components that contact skin and milk are made from 100% food-grade silicone, BPA free and described as skin-friendly, allowing safe contact and routine sterilization by steam or boiling.
• Improved suction fit: The upgraded flange includes a soft rim with thickened edge, smooth angle and longer tunnel to create a better seal and more effective pumping performance for many users.
• Leak-minimizing design: Long tubing and high-seal connections are intended to keep milk out of tubing and reduce loosening and leaking during use, helping keep pumps clean.

Who It's For

This kit is best for breastfeeding parents who already own a compatible electric pump and need multiple replacement sets or want dedicated spare parts for double pumping and travel. It suits caregivers who prefer to pump directly into reusable 180ml bottles to avoid transfers and limit waste.

Those who require officially branded manufacturer parts for warranty or exact-original fit may want to look elsewhere, since these are high-quality third-party parts made by IVARONAL and not original manufacturer accessories.

Pros & Cons

Pros

• Complete sets let users replace every wear item at once and pump directly into included 180ml bottles.
• Made from 100% food-grade silicone and BPA free, allowing steam or boiling sanitization.
• Upgraded flange design improves fit and suction for many users, reducing discomfort and improving efficiency.

Cons

• Not original manufacturer parts, so fit or long-term compatibility might vary slightly from factory components.
• Bottles are 180ml only, which may be larger than some users prefer for small feedings.

Specifications

Our Verdict

The 4packs 16mm replacement kit is a practical, value-oriented choice for parents who need multiple spare parts or want to pump directly into included bottles. Given the full complement of silicone parts, improved flange design and sanitizable materials, it offers strong everyday utility for compatible pump owners, though those requiring original factory parts for warranty should consider official replacements.

Frequently Asked Questions

Are these parts original manufacturer accessories?
These are third-party parts made by IVARONAL and not original factory accessories.

Can the parts be sterilized?
Yes; the food-grade silicone components are described as safe for steam or boiling sanitization.

Will the bottles fit pump connectors directly?
The kit is designed so you can pump directly into the included 180ml bottles using the supplied screw rings and sealing discs to minimize transfers.